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    • By NASA
      Digital content creators are invited to register to attend the launch of the ninth SpaceX Dragon spacecraft and Falcon 9 rocket that will carry astronauts to the International Space Station for a science expedition mission. This mission is part of NASA’s Commercial Crew Program. 
      Launch of NASA’s SpaceX Crew-9 mission is targeted for no earlier than mid-August from Launch Complex 39A at the agency’s Kennedy Space Center in Florida. The launch will carry NASA astronauts Zena Cardman, commander; Nick Hague, pilot; and Stephanie Wilson, mission specialist; along with Roscosmos cosmonaut Alexander Gorbunov, mission specialist. 
      If your passion is to communicate and engage the world online, then this is the event for you! Seize the opportunity to see and share the #Crew9 mission launch. 
      A maximum of 50 social media users will be selected to attend this two-day event and will be given access similar to news media. 
      NASA Social participants will have the opportunity to: 
      View a crewed launch of the SpaceX Falcon 9 rocket and Dragon spacecraft  Tour NASA facilities at Kennedy Space Center  Meet and interact with Crew-9 subject matter experts  Meet fellow space enthusiasts who are active on social media  Registration for this event opens on Wednesday, July 17, and the deadline to apply is at 10 a.m. EDT on Monday, July 22. All social applications will be considered on a case-by-case basis.
      APPLY NOW 
      Do I need to have a social media account to register? 
       Yes. This event is designed for people who: 
      Actively use multiple social networking platforms and tools to disseminate information to a unique audience.  Regularly produce new content that features multimedia elements.  Have the potential to reach a large number of people using digital platforms, or reach a unique audience, separate and distinctive from traditional news media and/or NASA audiences.  Must have an established history of posting content on social media platforms.  Have previous postings that are highly visible, respected and widely recognized.  Users on all social networks are encouraged to use the hashtag #NASASocial and #Crew9. Updates and information about the event will be shared on X via @NASASocial and @NASAKennedy, and via posts to Facebook and Instagram. 
      How do I register? 
      Registration for this event opens on Wednesday, July 17, and the deadline to apply is at 10 a.m. EDT on Monday, July 22. All social applications will be considered on a case-by-case basis.
      Can I register if I am not a U.S. citizen? 
      Because of the security deadlines, registration is limited to U.S. citizens. If you have a valid permanent resident card, you will be processed as a U.S. citizen. 
      When will I know if I am selected? 
      After registrations have been received and processed, an email with confirmation information and additional instructions will be sent to those selected. We expect to send the acceptance notifications by August 7.
      What are NASA Social credentials? 
      All social applications will be considered on a case-by-case basis. Those chosen must prove through the registration process they meet specific engagement criteria. 
      If you do not make the registration list for this NASA Social, you still can attend the launch offsite and participate in the conversation online. Find out about ways to experience a launch here. 
      What are the registration requirements? 
      Registration indicates your intent to travel to NASA’s Kennedy Space Center in Florida and attend the two-day event in person. You are responsible for your own expenses for travel, accommodations, food, and other amenities. 
      Some events and participants scheduled to appear at the event are subject to change without notice. NASA is not responsible for loss or damage incurred as a result of attending. NASA, moreover, is not responsible for loss or damage incurred if the event is cancelled with limited or no notice. Please plan accordingly. 
      Kennedy is a government facility. Those who are selected will need to complete an additional registration step to receive clearance to enter the secure areas. 
      IMPORTANT: To be admitted, you will need to provide two forms of unexpired government-issued identification; one must be a photo ID and match the name provided on the registration. Those without proper identification cannot be admitted. 
      For a complete list of acceptable forms of ID, please visit: NASA Credentialing Identification Requirements. 
      All registrants must be at least 18 years old. 
      What if the launch date changes? 
      Many different factors can cause a scheduled launch date to change multiple times. If the launch date changes, NASA may adjust the date of the NASA Social accordingly to coincide with the new target launch date. NASA will notify registrants of any changes by email. 
      If the launch is postponed, attendees will be invited to attend a later launch date. NASA cannot accommodate attendees for delays beyond 72 hours. 
      NASA Social attendees are responsible for any additional costs they incur related to any launch delay. We strongly encourage participants to make travel arrangements that are refundable and/or flexible. 
      What if I cannot come to the Kennedy Space Center? 
      If you cannot come to the Kennedy Space Center and attend in person, you should not register for the NASA Social. You can follow the conversation online using #NASASocial.  
      You can watch the launch on NASA+ or plus.nasa.gov. NASA will provide regular launch and mission updates on @NASA, @NASAKennedy, and @Commercial_Crew, as well as on NASA’s Commercial Crew Program blog. 
      If you cannot make this NASA Social, don’t worry; NASA is planning many other Socials in the near future at various locations! 
      Keep Exploring Discover More Topics From NASA
      International Space Station
      Launch Pad 39B
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      View the full article
    • By NASA
      Official NASA’s SpaceX Crew-9 portraits with Zena Cardman, Nick Hague, Stephanie Wilson and Aleksandr Gorbunov. Credit: NASA Media accreditation now is open for the launch of NASA’s ninth rotational mission of a SpaceX Falcon 9 rocket and Dragon spacecraft that will carry astronauts to the International Space Station for a science expedition. This mission is part of NASA’s Commercial Crew Program.
      Launch of NASA’s SpaceX Crew-9 mission is targeted for no earlier than mid-August from Launch Complex 39A at the agency’s Kennedy Space Center in Florida, pending completion of the company’s ongoing Falcon 9 investigation. Crew safety and mission assurance are top priorities for NASA and its partners.
      The launch will carry NASA astronauts Zena Cardman, commander; Nick Hague, pilot; and Stephanie Wilson, mission specialist; along with Roscosmos cosmonaut Alexander Gorbunov, mission specialist. This is the first spaceflight for Cardman and Gorbunov, the second mission to the orbiting laboratory for Hague, and fourth spaceflight for Wilson, who has spent 42 days in space aboard three space shuttle Discovery missions – STS-120, STS-121, and STS-131.
      U.S. media, international media without U.S. citizenship, and U.S. citizens representing international media organizations must apply by 11:59 p.m. EDT on Wednesday, July 31. All accreditation requests must be submitted online at:
      https://media.ksc.nasa.gov
      NASA’s media accreditation policy is online. For questions about accreditation or special logistical requests, email: ksc-media-accreditat@mail.nasa.gov. Requests for space for satellite trucks, tents, or electrical connections are due by Thursday, Aug. 1.
      For other questions, please contact NASA Kennedy’s newsroom at: 321-867-2468.
      Para obtener información sobre cobertura en español en el Centro Espacial Kennedy o si desea solicitar entrevistas en español, comuníquese con Antonia Jaramillo: 321-501-8425, o Messod Bendayan: 256-930-1371.
      For launch coverage and more information about the mission, visit:
      https://www.nasa.gov/commercialcrew
      -end-
      Joshua Finch / Claire O’Shea
      Headquarters, Washington
      202-358-1100
      joshua.a.finch@nasa.gov / claire.a.o’shea@nasa.gov
      Steve Siceloff / Danielle Sempsrott / Stephanie Plucinsky
      Kennedy Space Center, Florida
      321-867-2468
      steven.p.siceloff@nasa.gov / danielle.c.sempsrott@nasa.gov / stephanie.n.plucinsky@nasa.gov
      Leah Cheshier
      Johnson Space Center, Houston
      281-483-5111
      leah.d.cheshier@nasa.gov
      Share
      Details
      Last Updated Jul 17, 2024 LocationNASA Headquarters Related Terms
      Humans in Space Commercial Crew Commercial Space International Space Station (ISS) ISS Research Johnson Space Center Kennedy Space Center View the full article
    • By NASA
      23 Min Read The Next Full Moon is the Buck or Thunder Moon
      Mule deer buck, Yellowstone National Park The Next Full Moon is the Buck or Thunder Moon; the Hay or Mead Moon; Guru Purnima; Asalha Puja (aka Dharma Day or Esala Poya); and the start of Vassa. 
      The next full Moon will be Sunday morning, July 21, 2024, appearing opposite the Sun (in Earth-based longitude) at 6:17 AM EDT. For the International Date Line West and the American Samoa and Midway time zones this will be late Saturday night. For Line Islands Time this will be early Monday morning. The Moon will appear full for about three days around this time, from Friday evening through Monday morning, making this a full Moon weekend. 
      The Maine Farmers’ Almanac began publishing “Indian” names for full Moons in the 1930s and these names are now widely known and used. According to this almanac, as the full Moon in June the Algonquin tribes of what is now the northeastern United States called this the Buck Moon. Early summer is normally when the new antlers of buck deer push out of their foreheads in coatings of velvety fur. They also called this the Thunder Moon because of early Summer’s frequent thunderstorms.
      Europeans called this the Hay Moon for the haymaking of early summer, and sometimes the Mead Moon (although this name was also used for the previous full Moon). Mead is created by fermenting honey mixed with water, sometimes adding fruits, spices, grains, or hops. 
      For Hindus, Buddhists, and Jains, this is the Guru Full Moon (Guru Purnima), celebrated as a time for clearing the mind and honoring the guru or spiritual master. 
      For Theravada Buddhists this full Moon is Asalha Puja, also known as Dharma Day or Esala Poya, an important festival celebrating the Buddha’s first sermon after reaching nirvana, which started Buddhism. This sermon became the core of Buddhist teachings and includes the four noble truths. In addition, with this full Moon the Buddhist Monks start Vassa, the annual three-month retreat during the rainy season. 
      In many traditional lunisolar and lunar calendars full Moons fall on or near the middle of the lunar months. This full Moon is near the middle of the sixth month of the Chinese year of the Dragon, Tammuz in the Hebrew calendar, and Muharram in the Islamic calendar. Muharram is one of the four sacred months during which warfare is forbidden. 
      Since this is the Thunder Moon, a quick note on lightning safety. Most of the lightning that strikes the ground arcs from the negatively charged bottom of the storm to the ground underneath the storm. Much rarer is positive lightning, which arcs from the top of a thunderstorm to strike much farther away. Positive lightning can sometimes strike areas where the sky is clear (hence the term “bolt out of the blue”). NOAA’s Lightning FAQ Page says that almost all lightning will occur within 10 miles of its parent thunderstorm, but that lightning detection equipment has confirmed bolts striking up to almost 50 miles away. Because positive lightning arcs across a greater distance it tends to be 5 to 10 times more powerful than regular ground strikes. It can strike dry areas outside of the storm’s rainfall, so positive lightning tends to start more fires than negative lightning. Although positive lightning is rare (less than 5% of all lightning strikes), the lack of warning and its greater power make it more lethal. A good rule to follow is, if you can hear the thunder, you can be struck by lightning. As a bicycle enthusiast and daily commuter (before I retired) I am well aware that the inch or so of rubber tire between my metal bicycle and the ground will make little difference to a bolt that can arc across miles of air from the top of a thunderstorm to where I am riding. 
      As usual, the wearing of suitably celebratory celestial attire is encouraged in honor of the full Moon. Be safe (especially during thunderstorms), avoid starting wars, and take a moment to clear your mind. 
      As for other celestial events between now and the full Moon after next (with specific times and angles based on the location of NASA Headquarters in Washington, D.C.):
      As summer continues the daily periods of sunlight continue to shorten from their longest on the summer solstice on June 20, 2024. On Sunday, July 21, (the day of the full Moon), morning twilight will begin at 4:52 AM, sunrise will be at 6:00 AM, solar noon at 1:15 PM when the Sun will reach its maximum altitude of 71.4 degrees, sunset will be at 8:28 PM, and evening twilight will end at 9:37 PM. By Monday, Aug. 21, (the day of the full Moon after next), morning twilight will begin at 5:24 AM, sunrise will be at 6:26 AM, solar noon at 1:11 PM when the Sun will reach its maximum altitude of 63.6 degrees, sunset will be at 7:57 PM, and evening twilight will end at 8:58 PM.
      Six meteor showers are predicted to peak during this lunar cycle, including one of the best meteor showers of the year for the Southern Hemisphere and one of the best meteor showers of the year for the Northern Hemisphere. 
      On July 31, 2024, the Southern Delta Aquariids (005 SDA) meteor shower is predicted to peak at 25 meteors per hour (under ideal conditions). This shower is one of the most active annual sources for the Southern Hemisphere, but viewing it from our more northern latitudes will be difficult. As reported by the International Meteor Organization, this shower has a broad peak, and in past years observers from Australia (in 1977) and Crete (in 2003) have reported outbursts of 40 meteors per hour several days before the predicted peak. On the morning of the predicted peak (July 31), the best time to look (from the Washington, D.C. area) will likely be from after midnight until about 2 AM. The radiant (the point from which the meteors appear to radiate out from) will rise on the east-southeastern horizon on July 30 at about 10:15 PM. Since half of the meteors are hidden by the horizon at radiant rise, waiting until the radiant is higher in the sky should make more meteors visible. But moonrise will be at 1:58 AM (when the radiant will be about 30 degrees above the south-southeastern horizon). After moonrise moonlight will interfere with seeing these meteors, making our window for seeing these meteors fairly short. The parent body for this meteor shower is not certain, but they are caused by dust entering our atmosphere at 41 kilometers per second (92,000 miles per hour), so fast that air gets compressed and heated until it glows white-hot. 
      This should be a good year for the annual Perseid meteor shower. The Perseids (007 PER) meteor shower is predicted to peak on Monday, Aug. 12, 2024, between 9 AM and Noon EDT (when we can’t see them). At its peak (under ideal conditions) the Perseids can produce about 100 visible meteors per hour, making it one of the three best meteor showers of the year for the Northern Hemisphere (the others being the Quadrantids in early January and the Geminids in mid December). The time closest to the predicted peak that we can see will be the early morning of Aug. 12. Moonset will be a little before midnight on Aug. 11, and the radiant will rise higher in the north-northeastern sky until the sky shows the first signs of dawn (before morning twilight begins at 5:16 AM). The peak is broad, and in past years high activity has been reported well after the peak, so keep an eye on the sky between moonset and the first hints of dawn for the nights before and after the predicted peak. The Perseid meteor shower is caused by dust from the comet 109P/Swift-Tuttle entering our atmosphere at 59 kilometers per second (132,000 miles per hour) – as previously noted, so fast that air gets compressed and heated until it glows white-hot. 
      The best conditions for viewing these meteors would be if the weather is clear with no clouds or high hazes, you go to a place far from any light sources or urban light pollution, and you have a clear view of a wide expanse of the sky. Be sure to give your eyes plenty of time to adapt to the dark. The rod cells in your eyes are more sensitive to low light levels but play little role in color vision. Your color-sensing cone cells are concentrated near the center of your view with more of the rod cells on the edge of your view. Since some meteors are faint, you will tend to see more meteors from the “corner of your eye” (which is why you need a view of a large part of the sky). Your color vision (cone cells) will adapt to darkness in about 10 minutes, but your more sensitive night vision will continue to improve for an hour or more (with most of the improvement in the first 35 to 45 minutes). The more sensitive your eyes are, the more chance you have of seeing meteors. Even a short exposure to light (from passing car headlights, etc.) will start the adaptation over again (so no turning on a light or your cell phone to check what time it is). 
      The other four meteor showers, the July Gamma Draconids (184 GDR), Alpha Capricornids (001 CAP), Eta Eridanids (191 ERI), and Kappa Cygnids (012 KCG), are all expected to produce less than five meteors per hour under ideal conditions (which most of us don’t have in our urban and suburban environs) but if you happen to be out with a clear sky late at night or in the early morning, your odds of spotting a meteor are a little higher than usual. 
      No comets are expected to be visible this lunar cycle. 
      Evening Sky Highlights
      On the evening of Sunday, July 21, 2024 (the evening of the day of the full Moon), as twilight ends (at 9:37 PM EDT), the rising Moon will be 3 degrees above the east-southeastern horizon. The bright planet Mercury will be 1 degree above the west-northwestern horizon and six minutes away from setting. The planet Venus will set 22 minutes before twilight ends, but will be bright enough to see in the glow of dusk, low on the west-northwestern horizon before it sets. The bright object appearing closest to overhead will be Vega, the brightest star in the constellation Lyra the lyre, at 65 degrees above the eastern horizon. Vega is one of the three bright stars in the “Summer Triangle,” along with Deneb and Altair. It is the fifth-brightest star in our night sky, about 25 light-years from Earth, has twice the mass of our Sun, and shines 40 times brighter than our Sun. 
      As this lunar cycle progresses the background of stars will appear to shift westward each evening (as the Earth moves around the Sun), while the planet Mercury will initially dwell low on the west-northwestern horizon, shifting towards the left. On July 24 Mercury will be 2 degrees below the bright star Regulus, and this will be the last evening Mercury will be above the horizon as twilight ends (although it may remain visible in the glow of dusk before twilight ends into early August). The bright planet Venus will also be visible in the glow of dusk, gradually shifting away from the Sun, but will not be above the horizon as twilight ends until late August. The bright star Regulus will appear about 1 degree to the lower right of Venus on Aug. 4, low on the west-northwestern horizon, with Regulus setting 17 minutes before evening twilight ends. The waxing Moon will pass by Venus and Regulus on Aug. 5 (setting before evening twilight ends), Spica on Aug. 9 and 10, and Antares on Aug. 13. Aug. 16 will be the first evening that the planet Saturn will be above the eastern horizon as evening twilight ends. 
      By the evening of Monday, Aug. 19 (the evening of the day of the full Moon after next), as twilight ends (at 8:58 PM), the rising Moon will be 7 degrees above the east-southeastern horizon. The only visible planet in the sky will be Saturn at 1.5 degrees above the eastern horizon. The planet Venus will set four minutes before twilight ends but will be bright enough to see in the glow of dusk, low on the western horizon before it sets. The bright object appearing closest to overhead will still be Vega at 80 degrees above the eastern horizon. 
      Morning Sky Highlights
      On the morning of Sunday, July 21, 2024 (the morning of the day of the full Moon), as twilight begins (at 4:52 AM EDT), the setting Moon will be 7 degrees above the southwestern horizon. The brightest planet in the sky will be Jupiter at 25 degrees above the eastern horizon. Mars will be 33 degrees above the eastern horizon and Saturn 45 degrees above the southern horizon. The bright object appearing closest to overhead will be the star Deneb at 56 degrees above the west-northwestern horizon. Deneb is the 19th brightest star in our night sky and is the brightest star in the constellation Cygnus the swan. Deneb is one of the three bright stars of the Summer Triangle (along with Vega and Altair). It is about 20 times more massive than our Sun but has used up its hydrogen, becoming a blue-white supergiant about 200 times the diameter of the Sun. If Deneb were where our Sun is, it would extend to about the orbit of Earth. Deneb is about 2,600 light-years from us. 
      As this lunar cycle progresses, Jupiter, Saturn, and the background of stars will appear to shift westward each evening, with Mars shifting more slowly and to the left toward Jupiter. The waning Moon will pass by Saturn on July 25, Mars on July 30, Jupiter on July 31, and Pollux on Aug. 2 and 3. Jupiter and Mars will appear at their closest on Aug. 14, after which they will separate again. 
      By the morning of Monday, Aug. 19 (the morning of the day of the full Moon after next), as twilight begins (at 5:24 AM), the setting full Moon will be 5 degrees above the southwestern horizon. The brightest planet in the sky will be Jupiter at 49 degrees above the eastern horizon. Near Jupiter will be Mars at 47 degrees above the eastern horizon. Saturn will be 29 degrees above the southwestern horizon. The bright object appearing closest to overhead will be the star Capella, the brightest star in the constellation Auriga the charioteer, at 55 degrees above the east-northeastern horizon. Although we see Capella as a single star (the sixth-brightest in our night sky), it is actually four stars (two pairs of stars orbiting each other). Capella is about 43 light-years from us.
      Detailed Daily Guide
      Here for your reference is a day-by-day listing of celestial events between now and the full Moon after next. The times and angles are based on the location of NASA Headquarters in Washington, D.C., and some of these details may differ for where you are (I use parentheses to indicate times specific to the D.C. area). 
      Wednesday night into early Thursday morning, July 17 to 18, 2024, the bright star Antares will appear near the waxing gibbous Moon. As evening twilight ends (at 9:40 PM EDT) Antares will be 3 degrees to the upper right of the Moon. The Moon will reach its highest in the sky 27 minutes later (at 10:07 PM). As Antares sets (at 2:21 AM) it will be 5 degrees to the lower right of the Moon. For much of the southern part of Africa the Moon will pass in front of Antares earlier on Wednesday. See http://lunar-occultations.com/iota/bstar/0717zc2366.htm (external link) for a map and information on the locations that will see this occultation. 
      As mentioned above, the full Moon will be Sunday morning, July 21, 2024, appearing opposite the Sun (in Earth-based longitude) at 6:17 AM EDT. This will be late Saturday night in the International Date Line West and the American Samoa and Midway time zones, and early Monday morning in the Line Islands Time zone. The Moon will appear full for about three days around this time, from Friday evening through Monday morning, making this a full Moon weekend. 
      Early Monday morning, July 22, 2024, will be when the planet Mercury reaches its greatest angular separation from the Sun as seen from Earth for this apparition (called greatest elongation). Because the angle between the line from the Sun to Mercury and the line of the horizon changes with the seasons, the date when Mercury and the Sun appear farthest apart as seen from Earth is not always the same as when Mercury appears highest above the horizon as evening twilight ends (which occurred on July 13). 
      Early Wednesday morning, July 24, 2024, at 1:43 AM EDT, the Moon will be at perigee, its closest to Earth for this orbit. 
      Wednesday evening, July 24, 2024, will be the last evening that the planet Mercury will be above the west-northwestern horizon as evening twilight ends (at 9:34 PM EDT), setting one minute later. This will also be the evening when Mercury will appear closest to the bright star Regulus, which will be 2 degrees above Mercury on the horizon. 
      Wednesday night into Thursday morning, July 24 to 25, 2024, the planet Saturn will appear near the waning gibbous Moon. At moonrise on the eastern horizon (at 10:45 PM EDT) Saturn will be 4 degrees to the upper right of the Moon. By the time the Moon reaches its highest (at 4:42 AM) Saturn will be 7 degrees to the lower right, with morning twilight beginning 14 minutes later. See http://lunar-occultations.com/iota/planets/0724saturn.htm (external link) for a map and information on where the Moon will block Saturn from view. 
      Saturday evening July 27, 2024, the waning Moon will appear half-full as it reaches its last quarter at 10:52 PM EDT (when we can’t see it).
      Tuesday, July 30, 2024, the planet Mars will appear 4 degrees to the lower right of the waning crescent Moon with the Pleiades star cluster to the upper right of the Moon. Mars will rise on the east-northeastern horizon (at 1:39 AM EDT) with the Pleiades star cluster 5 degrees to the upper right of the Moon. Morning twilight will begin more than three hours later (at 5:01 AM) with the Pleiades 7 degrees to the upper right.
      As described earlier in this posting, early Wednesday morning, July 31, 2024, from about midnight until moonrise (at 1:58 AM EDT) will likely be the best time to look toward the southeast for the Southern Delta Aquariids (005 SDA) meteor shower. Although viewing from our more northern latitudes will be limited, this shower is one of the most active annual sources for the Southern Hemisphere (with a predicted peak of 25 meteors per hour under ideal conditions). This shower has a broad peak, and rare outbursts of up to 40 meteors per hour have been reported days before the predicted peak (in 1977 and 2003). You might have an increased chance of seeing meteors in the early mornings from after midnight to before moonrise around this date. 
      Friday morning, Aug. 2, 2024, the bright star Pollux (the brighter of the twin stars in the constellation Gemini) will appear 8 degrees to the lower left of the waning crescent Moon. Pollux will rise after the Moon on the northeastern horizon (at 4:24 AM EDT) and morning twilight will begin 41 minutes later (at 5:05 AM). 
      The next morning, Saturday, Aug. 3, 2024, the thin, waning crescent Moon will have shifted to 7 degrees below Pollux. The Moon will rise (at 4:59 AM EDT) on the east-northeastern horizon just six minutes before morning twilight begins. 
      Throughout this lunar cycle the planet Mars will be passing above the bright star Aldebaran as it moves towards the bright planet Jupiter. Sunday morning, Aug. 4, 2024, will be when Mars and Aldebaran will be at their closest, about 5 degrees apart. Jupiter, Mars, and Aldebaran will form a triangle, with Mars above, Aldebaran to the lower right (matching Mars in brightness), and bright Jupiter to the lower left. Aldebaran will rise last (at 1:53 AM EDT) on the east-northeastern horizon and will be 37 degrees above the eastern horizon as morning twilight begins (at 5:07 AM). The constellation Orion will appear on the horizon below this triangle. 
      Sunday morning, Aug. 4, 2024, at 7:13 AM EDT, will be the new Moon, when the Moon passes between the Earth and the Sun and will not be visible from the Earth. The day of, or the day after the New Moon marks the start of the new month for most lunisolar calendars. Aug. 4 is the start of the seventh month of the Chinese Year of the Dragon. Sundown on Aug. 4 is the start of Av in the Hebrew calendar. In the Islamic calendar the months traditionally start with the first sighting of the waxing crescent Moon. Many Muslim communities now follow the Umm al-Qura Calendar of Saudi Arabia, which uses astronomical calculations to start months in a more predictable way. Using this calendar, sundown on Sunday, Aug. 4, will probably mark the start of Safar, the second month of the Islamic calendar. 
      Monday evening, Aug. 5, 2024, if you have a very clear view of the western to west-northwestern horizon (particularly with binoculars), you might be able to see the thin, waxing crescent Moon less than a degree above the bright planet Venus, with the bright star Regulus 1.5 degrees below Venus. The planet Mercury (less bright than Regulus) will be 6 degrees to the lower left of Venus. There may only be a short window between when dusk will have faded enough to see Mercury and when Mercury sets 36 minutes after sunset (at 8:50 PM EDT). Regulus will set next nine minutes after Mercury (45 minutes after sunset), followed by Venus eight minutes later (53 minutes after sunset), and the Moon six minutes after that (59 minutes after sunset), six minutes before evening twilight ends (at 9:19 PM). Venus and Regulus will have been at their closest (1 degree apart) the evening before and Mercury and Venus will be at their closest (6 degrees apart) two evenings later, but these will be hard to spot, low on the horizon in the glow of dusk. 
      Thursday, Aug. 8, 2024, at 9:32 PM EDT, the Moon will be at apogee, its farthest from the Earth for this orbit. 
      Friday evening, Aug. 9, 2024, the bright star Spica will appear 5 degrees to the upper left of the waxing crescent Moon. The Moon will be 14 degrees above the west-southwestern horizon as evening twilight ends (at 9:13 PM EDT). The Moon will set first a little more than an hour later (at 10:35 PM). Saturday morning, for part of the western Pacific north of Australia and Indonesia, the Moon will block Spica from view. See http://lunar-occultations.com/iota/bstar/0810zc1925.htm (external link) for a map and information on locations that can see this occultation. 
      By Saturday evening, Aug. 10, 2024, the waxing crescent Moon will have shifted to 7 degrees to the left of the star Spica as evening twilight ends and the pair will separate as the night progresses. 
      Saturday night, Aug. 10, 2024, will be the night of the seventh day of the seventh month of the Chinese calendar, known as the double seventh festival, Qixi in China, Chilseok in Korea, and Thất Tịch in Vietnam. The double seventh festival is sometimes called the Chinese Valentine’s Day. There are many variations on the legend, but basically they involve the Milky Way and the three bright stars we know as the Summer Triangle. The star Vega represents the weaver girl and the star Altair represents the cowherd. They fall in love and neglect their duties, so the Goddess of Heaven puts a wide river in the sky, the Milky Way, to keep them apart. They are allowed to meet only one night a year, on the seventh night of the seventh month, when the star Deneb forms a bridge across the Milky Way. In some versions of the legend, the bridge is formed by magpies, so another name is the Magpie Festival. The Japanese Tanabata or Star Festival is related, but is no longer tied to the lunisolar date (it is now celebrated on July 7, the double seventh of the Gregorian Calendar). On average there are a little more than seven days between each quarter of the Moon, so the first quarter Moon tends to occur a day or two after the seventh day of the lunisolar month. 
      As described earlier in this post, this should be a good year for the annual Perseids (007 PER) meteor shower, which can peak at more than 100 meteors per hour (under ideal conditions). The time closest to the predicted peak that we can see (from the Washington, D.C. area) will be the early morning of Monday, Aug. 12, 2024. Moonset will be a little before midnight on Aug. 11 and the radiant will rise higher in the north-northeastern sky until the sky shows the first signs of dawn (before morning twilight begins at 5:16 AM). The peak is broad, and in past years high activity has been reported well after the peak, so keep an eye on the sky from moonset to the first hints of dawn on the nights before and after as well. See the meteor shower summary near the beginning of this post for more information on viewing these meteors. 
      Monday morning, Aug. 12, 2024, the Moon will appear half-full as it reaches its first quarter at 11:19 AM EDT (when we can’t see it). 
      Tuesday night, Aug. 13, 2024, the bright star Antares will appear near the waxing gibbous Moon. Antares will be 2.5 degrees to the upper left as evening twilight ends (at 9:08 PM EDT). By the time of moonset on the southwestern horizon (Wednesday morning at 12:30 AM) Antares will be 1 degree above the Moon. Viewers in the southern part of South America and the Antarctic Peninsula will see the Moon pass in front of Antares. See http://lunar-occultations.com/iota/bstar/0814zc2349.htm (external link) for a map and information on areas that can see this occultation. 
      Throughout this lunar cycle the planet Mars will drift toward the bright planet Jupiter. They will be at their closest on Wednesday morning, Aug. 14, 2024, just a third of a degree apart, which should be a good show! Bright Jupiter will rise early in the morning (at 1:18 AM EDT) on the east-northeastern horizon below Mars. They will be 45 degrees above the eastern horizon as morning twilight begins four hours later (at 5:18 AM). 
      Friday evening, Aug. 16, 2024, will be the first evening that the planet Saturn will be above the eastern horizon as evening twilight ends (at 9:03 PM EDT). 
      Sunday evening, Aug. 18, 2024, the planet Mercury will be passing between Earth and the Sun as seen from Earth, called inferior conjunction. Planets that orbit inside of the orbit of Earth can have two types of conjunctions with the Sun, inferior (when passing between the Earth and the Sun) and superior (when passing on the far side of the Sun as seen from the Earth). Mercury will be shifting from the evening sky to the morning sky and will begin emerging from the glow of dawn on the east-northeastern horizon at the end of August. 
      The full Moon after next will be Monday afternoon, Aug. 19, 2024, at 2:26 PM EDT. This will be Tuesday morning from Nepal Standard Time eastward across the rest of Asia and Australia to the International Date Line. The Moon will appear full for about three days around this time, from Sunday morning through early Wednesday morning. As the third full Moon in a season with four full Moons, this will be a Blue Moon (by the older, more traditional definition).
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    • By NASA
      A SpaceX Falcon Heavy rocket carrying the National Oceanic and Atmospheric Administration (NOAA) GOES-U (Geostationary Operational Environmental Satellite U) lifts off from Launch Complex 39A at NASA’s Kennedy Space Center in Florida on Tuesday, June 25, 2024. The GOES-U satellite is the final satellite in the GOES-R series, which serves a critical role in providing continuous coverage of the Western Hemisphere, including monitoring tropical systems in the eastern Pacific and Atlantic oceans.Credits: SpaceX NASA successfully launched the fourth and final satellite in a series of advanced weather satellites for NOAA (National Oceanic and Atmospheric Administration) at 5:26 p.m. EDT Tuesday. The GOES-U (Geostationary Operational Environmental Satellite) will benefit the nation by providing continuous coverage of weather and hazardous environmental conditions across much of the Western Hemisphere.
      The satellite launched on a SpaceX Falcon Heavy rocket from Launch Complex 39A at NASA’s Kennedy Space Center in Florida. Mission managers confirmed at 10:18 p.m. the spacecraft’s solar arrays successfully deployed, and the spacecraft was operating on its own power.
      “As communities across the country and the world feel the effects of extreme weather, satellites like GOES-U keep a close watch to monitor weather in real time,” said NASA Administrator Bill Nelson. “NASA and NOAA have worked together for several decades to bring critical data back down to Earth to prepare for severe storms, fire detection, and much more. This fleet of advanced satellites is strengthening resilience to our changing climate, and protecting humanity from weather hazards on Earth, and in space.”
      In addition to its critical role in terrestrial weather prediction, the GOES constellation of satellites helps forecasters predict space weather near Earth that can interfere with satellite electronics, GPS, and radio communications. The GOES-U satellite goes beyond the capabilities of its predecessors with  a new space weather instrument, the Compact Coronograph-1, which blocks the Sun’s bright light so scientists can observe the relatively fainter solar atmosphere.
      “There are so many applications for GOES data – many of which directly impact our everyday lives here on Earth,” said Nicky Fox, associate administrator, Science Mission Directorate at NASA Headquarters in Washington. “GOES-U will add to the global data record, allowing NASA and NOAA to track changes in our climate and also provide critical information before severe weather and natural disasters strike. NASA looks forward to teaming up with NOAA again as we enter the next generation of Earth-observing satellites.”
      Once GOES-U is in a geostationary orbit, about 22,200 miles above Earth, it will be renamed GOES-19. Following a successful orbital checkout of its instruments and systems, GOES-19 will go into service, keeping watch of the weather over most of North America, including the contiguous United States and Mexico, as well as Central and South America, the Caribbean, and the Atlantic Ocean to the west coast of Africa.
      “The data that GOES-U will provide is critical to protecting the safety of people in the Western Hemisphere,” said John Gagosian, director, NASA’s Joint Agency Satellite Division. “With this successful launch, forecasters will have a resource to better inform and educate the public.”
      NASA’s Goddard Space Flight Center in Greenbelt, Maryland, oversaw the acquisition of the GOES-R series spacecraft and instruments and built the magnetometer for GOES-U and its predecessor, GOES-T. NASA’s Launch Services Program, based at Kennedy, provided launch management for the mission.
      The GOES-R Series Program is overseen by NOAA, through an integrated NOAA-NASA office that manages the ground system, operates the satellites, and distributes data to users worldwide. Lockheed Martin designs, builds, and tests the GOES-R series satellites. L3Harris Technologies provides the main instrument payload, the Advanced Baseline Imager and the ground system, which includes the antenna system for data reception.
      For more information about GOES, visit:
      https://www.nasa.gov/content/goes
      -end-
      Liz Vlock
      Headquarters, Washington
      202-358-1600
      elizabeth.a.vlock@nasa.gov
      Peter Jacobs
      Goddard Space Flight Center, Greenbelt, Maryland
      301-286-0535
      peter.jacobs@nasa.gov
      Leejay Lockhart
      Kennedy Space Center, Florida
      321-747-8310
      leejay.lockhart@nasa.gov
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      Last Updated Jun 25, 2024 LocationNASA Headquarters Related Terms
      GOES (Geostationary Operational Environmental Satellite) Earth Science Kennedy Space Center NOAA (National Oceanic and Atmospheric Administration) Science & Research Science Mission Directorate View the full article
    • By NASA
      17 Min Read The Next Full Moon is the Strawberry Moon
      A perigee full moon, or supermoon, is seen next to the Empire State Building, Sunday, Sept. 27, 2015 in New York City. Credits:
      NASA/Joel Kowsky The Next Full Moon is the Strawberry Moon; the Flower, Hot, Hoe, or Planting Moon; the Mead or Honey Moon; the Rose Moon; Vat Purnima; Poson Poya; and the LRO Moon.
      The next full Moon will be Friday evening, June 21, 2024, appearing opposite the Sun (in Earth-based longitude) at 9:08 PM EDT. This will be Saturday from Greenland and Cape Verde time eastward across Eurasia, Africa, and Australia to the International Date Line in the mid-Pacific. Most commercial calendars will show this full Moon on Saturday, June 22, the date in Coordinated Universal Time (UTC). The Moon will appear full for about three days around this time, from Thursday evening through Sunday morning.
      In the 1930s the Maine Farmer’s Almanac began publishing “Indian” names for full Moons and these names are now widely known and used. According to this Almanac, as the full Moon in June this is the Strawberry Moon, a name that comes from the relatively short season for harvesting strawberries in the north-eastern United States. Other seasonal names that I have found in various sources (sometimes with conflicting information about whether they are of European or Native American origin) are the Flower Moon, Hot Moon, Hoe Moon, and Planting Moon.
      An old European name for this full Moon is the Mead or Honey Moon. Mead is a drink created by fermenting honey mixed with water and sometimes fruits, spices, grains, or hops. In some countries Mead is also called Honey Wine (though in others Honey Wine is made differently). Some writings suggest the time around the end of June was when honey was ready for harvesting, which made this the “sweetest” Moon. The word “honeymoon” traces back to at least the 1500s in Europe. The tradition of calling the first month of marriage the “honeymoon” may be tied to this full Moon because of the custom of marrying in June or because the “Honey Moon” is the “sweetest” Moon of the year. There doesn’t appear to be enough evidence to support a 19th century theory that the word entered English from the custom of gifting newlyweds mead for their first month of marriage.
      Another European name for this full Moon is the Rose Moon. Some sources indicate “Rose Moon” comes from the roses that bloom this time of year. Others indicate that the name comes from the color of the full Moon. The orbit of the Moon around the Earth is in almost the same plane as the orbit of the Earth around the Sun (only about 5 degrees off). On the summer solstice the Sun appears highest in the sky for the year. Full Moons are opposite the Sun, so a full Moon near the summer solstice will be low in the sky. Particularly for Europe’s higher latitudes, when the full Moon is low it shines through more atmosphere, making it more likely to have a reddish color (for the same reasons that sunrises and sunsets are red). For the Washington, DC area, the full Moon on the night from the evening of June 21 to the morning of June 22 will have the lowest full Moon of the year, reaching only 21.9 degrees above the southern horizon at 1:20 AM EDT.
      For Hindus this is Vat Purnima. During the 3 days of this full Moon married women will show their love for their husbands by tying a ceremonial thread around a banyan tree. The celebration is based on the legend of Savitri and Satyavan.
      For Buddhists this full Moon is Poson Poya. The Poson holiday in Sri Lanka celebrates the introduction of Buddhism in 236 BCE.
      Another tribe has also given a name to this full Moon. This tribe is now scattered but mostly lived in the mid-Atlantic region of the United States. This tribe’s language is primarily English, but with a liberal smattering of acronyms, arcane scientific and engineering terms, and Hawaiian phrases (cheerfully contributed by the former Deputy Project Manager). Comprised of people from all backgrounds, many of whom have gone on to join other tribes, this tribe was devoted to the study of the Moon. This tribe calls June’s full Moon the LRO Moon, in honor of the spacecraft they launched towards the Moon 15 years ago, on June 18, 2009. NASA’s Lunar Reconnaissance Orbiter is still orbiting the Moon providing insights about our nearest celestial neighbor, some of which help us understand our own planet. See https://www.nasa.gov/mission_pages/LRO/main/index.html for more information.
      Many lunar and lunisolar calendars start the months on or just after the new Moon and the full Moon is near the middle of the month. This full Moon is near the middle of the fifth month of the Chinese year of the Dragon, Sivan in the Hebrew calendar, and Dhu al-Hijjah, the final month of the Islamic year and one of the four sacred months during which fighting is forbidden.
      As usual, the wearing of suitably celebratory celestial attire is encouraged in honor of the full Moon. If you’re not allergic, enjoy the strawberries, flowers, and honey during this “sweetest” month of the year, and take note of how low in the sky this full Moon will be.
      As for other celestial events between now and the full Moon after next (with specific times and angles based on the location of NASA Headquarters in Washington, DC):
      As summer begins the daily periods of sunlight start to gradually shorten, having been at their longest on the summer solstice on the day before this full Moon. On Friday, June 21, 2024 (the day of the full Moon), morning twilight will begin at 4:30 AM, sunrise will be at 5:43 AM, solar noon at 1:10 PM when the Sun will reach its maximum altitude of 74.6 degrees, sunset will be at 8:37 PM, and evening twilight will end at 9:49 PM. The period of daylight will be 1.2 seconds shorter than on the summer solstice the previous day.
      The solar days (as measured, for example, from solar noon to solar noon on a sundial) are longer than 24 hours near the solstices, so the earliest sunrises of the year occur before the summer solstice and the latest sunsets occur after the solstice. For the Washington, DC area and similar latitudes at least (I’ve not checked for other latitudes), Thursday, June 27, will have the latest sunset of the year, with sunset at 8:37:30 PM EDT.
      By Sunday, July 21, (the day of the full Moon after next), morning twilight will begin at 4:52 AM, sunrise will be at 6:00 AM, solar noon at 1:15 PM when the Sun will reach its maximum altitude of 71.4 degrees, sunset will be at 8:28 PM, and evening twilight will end at 9:37 PM.
      The comet 13P/Olbers is expected to peak at magnitude 7.5 in early July, too dim to see with the naked eye. The two meteor showers expected to peak this lunar cycle will be difficult to see. The full Moon will interfere with the peak of the June Bootids (170 JBO) on June 27. The July Pegasids (175 JPE), peaking on July 10, is only expected to show 3 meteors per hour (under ideal conditions).
      Evening Sky Highlights:
      On the evening of Friday, June 21, 2024 (the evening of the day of the full Moon), as twilight ends (at 9:49 PM EDT), the rising Moon will be 7 degrees above the southeastern horizon. The bright planets Venus and Mercury will be below the horizon, with Venus setting 21 minutes and Mercury setting 43 minutes after sunset. Mercury may be visible from about 30 minutes after sunset until it sets 13 minutes later. The bright object appearing closest to overhead will be the star Arcturus at 69 degrees above the south-southwestern horizon. Arcturus is the brightest star in the constellation Boötes the herdsman or plowman. It is the 4th brightest star in our night sky and is 36.7 light years from us. While it has about the same mass as our Sun, it is about 2.6 billion years older and has used up its core hydrogen, becoming a red giant 25 times the size and 170 times the brightness of our Sun.
      As this lunar cycle progresses the background of stars will appear to shift westward each evening (as the Earth moves around the Sun). June 30 will be the first evening that the bright planet Mercury will be above the west-northwestern horizon as evening twilight ends and the first evening that the bright planet Venus will be above the horizon 30 minutes after sunset (an approximation of when Venus will start emerging from the glow of dusk. Mercury will shift to the left low along the horizon, reaching its highest above the horizon (just 2 degrees as twilight ends) on July 13. The waxing Moon will pass by Regulus on July 8 and 9, Spica on July 13, and Antares on July 17.
      By the evening of Sunday, July 21 (the evening of the day of the full Moon after next), as twilight ends (at 9:37 PM EDT), the rising Moon will be 3 degrees above the east-southeastern horizon. The bright planet Mercury will be 1 degree above the west-northwestern horizon and 6 minutes away from setting. The planet Venus will set 22 minutes before twilight ends, but will be bright enough to see in the glow of dusk low on the west-northwestern horizon before it sets. The bright object appearing closest to overhead will be Vega, the brightest star in the constellation Lyra the lyre, at 65 degrees above the eastern horizon. Vega is one of the three bright stars in the Summer Triangle along with Deneb, and Altair. Vega is the 5th brightest star in our night sky, about 25 light-years from Earth, has twice the mass of our Sun, and shines 40 times brighter than our Sun.
      Morning Sky Highlights:
      On the morning of Friday, June 21, 2024 (the morning of the day of the full Moon), as twilight begins (at 4:31 AM EDT), the setting full Moon will be 2 degrees above the southwestern horizon. The brightest planet in the sky will be Jupiter at just 3 degrees above the east-northeastern horizon. The planet Mars will be 19 degrees above the eastern horizon and the planet Saturn (almost as bright as Mars) will be 37 degrees above the southeastern horizon. The bright object appearing closest to overhead will be the star Deneb at 80 degrees above the northwestern horizon. Deneb is the 19th brightest star in our night sky and is the brightest star in the constellation Cygnus the swan. Deneb is one of the three bright stars of the “Summer Triangle” (along with Vega and Altair). Deneb is about 20 times more massive than our Sun but has used up its hydrogen, becoming a blue-white supergiant about 200 times the diameter of the Sun. If Deneb were where our Sun is, it would extend to about the orbit of the Earth. Deneb is about 2,600 light years from us.
      As this lunar cycle progresses, Jupiter, Saturn, and the background of stars will appear to shift westward each evening, with Mars shifting more slowly and to the left. The waning Moon will pass by Saturn on June 27, on Mars on July 1, the Pleiades star cluster on July 2, and Jupiter on July 3.
      By the morning of Sunday, July 21 (the morning of the day of the full Moon after next), as twilight begins (at 4:52 AM EDT), the setting full Moon will be 7 degrees above the southwestern horizon. The brightest planet in the sky will be Jupiter at 25 degrees above the eastern horizon. Mars will be 33 degrees above the eastern horizon and Saturn 45 degrees above the southern horizon. The bright object appearing closest to overhead still will be the star Deneb at 56 degrees above the west-northwestern horizon.
      Detailed Daily Guide:
      Here for your reference is a day-by-day listing of celestial events between now and the full Moon after next. The times and angles are based on the location of NASA Headquarters in Washington, DC, and some of these details may differ for where you are (I use parentheses to indicate times specific to the DC area).
      Sunday morning, June 16, 2024, will be the first morning that the bright planet Jupiter will be above the east-northeastern horizon as morning twilight begins (at 4:30 AM EDT).
      Sunday evening into early Monday morning, June 16 to 17, 2024, the bright star Spica will appear near the waxing gibbous Moon. As evening twilight ends (at 9:48 PM EDT) Spica will be 3.5 degrees to the right of the Moon. By the time Spica sets on the west-southwestern horizon 4.5 hours later (at 2:16 AM) it will be 5 degrees to the lower right of the Moon. Around the northern part of the boundary between Europe and Asia the Moon will actually block Spica from view.
      Wednesday evening, June 19, 2024, will be the first evening the bright planet Mercury will be above the west-northwestern horizon 30 minutes after sunset, an approximation of when it will begin emerging from the glow of dusk. Each evening after this Mercury should become easier to spot and by the end of June will be above the horizon as evening twilight ends.
      Wednesday evening into Thursday morning, June 19 to 20, 2024, the bright star Antares will appear near the waxing gibbous Moon. As evening twilight ends (at 9:49 PM EDT) Antares will be 5 degrees to the lower left of the Moon. The Moon will reach its highest in the sky 1.5 hours later (at 11:25 PM EDT) with Antares 4 degrees to the left of the Moon. The Moon will set first on the southwestern horizon (at 4:03 AM) with Antares 2 degrees to the upper left.
      Thursday afternoon, June 20, 2024, at 4:51 PM EDT will be the summer solstice, the astronomical end of spring and start of summer. This will be the day with the longest period of sunlight (14 hours, 53 minutes, 42.5 seconds) but will not be the day with the earliest sunrise or the latest sunset.
      As mentioned above, the full Moon will be Friday evening, June 21, 2024, at 9:08 PM EDT. This will be on Saturday from Greenland and Cape Verde time eastward across Eurasia, Africa, and Australia to the International Date Line in the mid-Pacific. Most commercial calendars will show this full Moon on Saturday, June 22. This will be the lowest full Moon of the year (reaching only 21.9 degrees above the southern horizon Saturday morning at 1:20 AM). The Moon will appear full for about three days around this time, from Thursday evening through Sunday morning.
      Thursday morning, June 27, 2024, the planet Saturn will appear near the waning gibbous Moon. As Saturn rises on the eastern horizon (at 12:26 AM EDT) it will be 6 degrees to the lower left of the Moon. By the time morning twilight begins (at 4:33 AM) Saturn will be 4 degrees to the upper left of the Moon.
      Thursday morning June 27, 2024, the Moon will be at perigee, its closest to the Earth for this orbit.
      For the Washington, DC area and similar latitudes, at least, Thursday, June 27, 2024, will have the latest sunset of the year (with sunset at 8:37:30 PM EDT).
      Friday afternoon, June 28, 2024, the waning Moon will appear half-full as it reaches its last quarter at 5:53 PM EDT (when the Moon will be below the horizon).
      Sunday evening, June 30, 2024, will be the first evening that the bright planet Mercury will be above the west-northwestern horizon as evening twilight ends (at 9:49 PM EDT). It will also be the first evening that the bright planet Venus will be above the west-northwestern horizon (at 9:07 PM) 30 minutes after sunset, an approximation of when Venus will start emerging from the glow of dusk.
      Monday morning, July 1, 2024, the planet Mars will appear 5 degrees to the lower left of the waning crescent Moon. Mars will rise last on the east-northeastern horizon (at 2:29 AM EDT) and morning twilight will begin a little more than 2 hours later (at 4:35 AM).
      Tuesday morning, July 2, 2024, the Pleiades star cluster will appear 5 degrees to the lower left of the waning crescent Moon. The Pleiades will rise last on the east-northeastern horizon (around 2:46 AM EDT) and morning twilight will begin a little less than 2 hours later (at 4:35 AM).
      Friday afternoon, July 5, 2024, the Earth will be at aphelion, its farthest away from the Sun in its orbit, 3.4% farther away than it was at perihelion in early January. Since the intensity of light drops off as the square of the distance, the sunlight reaching the Earth at aphelion is about 6.5% less bright than sunlight reaching the Earth at perihelion.
      Friday evening, July 5, 2024, at 6:57 PM EDT, will be the new Moon, when the Moon passes between the Earth and the Sun and will not be visible from the Earth. The day of or the day after the New Moon marks the start of the new month for most lunisolar calendars. Saturday, July 6 will be the start of the sixth month of the Chinese year of the Dragon. Sundown on July 6 will mark the start of Tammuz in the Hebrew calendar. In the Islamic calendar the months traditionally start with the first sighting of the waxing crescent Moon. Many Muslim communities now follow the Umm al-Qura Calendar of Saudi Arabia, which uses astronomical calculations to start months in a more predictable way. Using this calendar, sundown on Saturday, July 6, will probably mark Al-Hijra, the Islamic New Year and the beginning of the month of Muharram, although Muharram is one of four months for which the calendar dates may be adjusted by the religious authorities of Saudi Arabia after actual sightings of the lunar crescent. Al-Hijra is a public holiday in many Muslim countries. Customs vary, but most include observing the day quietly and practicing gratitude. Muharram is one of the four sacred months during which warfare is forbidden.
      Sunday evening, July 7, 2024, the planet Mercury will appear 3 degrees below the thin, waxing crescent Moon, with the Beehive cluster (visible with binoculars) 1.5 degrees to the lower right of Mercury. As evening twilight ends (at 9:47 PM EDT) the Moon will be 4 degrees above the west-northwestern horizon, with Mercury a little more than 1 degree and the Beehive cluster a little less than 1 degree above the horizon. The Beehive cluster will set first 7 minutes later (at 9:54 PM), followed by Mercury 4 minutes after that (at 9:58 PM) and the Moon 19 minutes after Mercury set (at 10:17 PM).
      Friday morning, July 12, 2024, at 4:12 AM EDT (when we can’t see it), the Moon will be at apogee, its farthest from the Earth for this orbit.
      Saturday evening, July 13, 2024, the Moon will appear half-full as it reaches its first quarter at 6:49 PM EDT.
      Saturday evening, July 13, 2024, will be when the planet Mercury will reach its highest (2 degrees) above the west-northwestern horizon as evening twilight ends (at 9:43 PM EDT).
      Saturday night, July 13, 2024, the bright star Spica will appear near the half-full Moon, so near that for part of the night the Moon will block Spica from view for much of North America (see http://lunar-occultations.com/iota/bstar/0714zc1925.htm for a map and information on the locations that will see this occultation). For the location of NASA Headquarters in Washington, DC (angles and times will be different for other locations), as evening twilight ends (at 9:43 PM EDT), Spica will be 1 degree to the left of the Moon. If you are in a location that will see this occultation, you should be able to see Spica vanish behind the dark half of the Moon (at 11:26 PM for the DC area). For the Washington, DC area the Moon will set (at 12:32 AM) before Spica reemerges. For locations farther west, the brightness of the lit half of the Moon will make it hard to see when Spica emerges.
      Wednesday night into early Thursday morning, July 17 to 18, 2024, the bright star Antares will appear near the waxing gibbous Moon. As evening twilight ends (at 9:40 PM EDT) Antares will be 3 degrees to the upper right of the Moon. The Moon will reach its highest in the sky 27 minutes later (at 10:07 PM). As Antares sets (at 2:21 AM) it will be 5 degrees to the lower right of the Moon. For much of the southern part of Africa the Moon will pass in front of Antares earlier on Wednesday. See http://lunar-occultations.com/iota/bstar/0717zc2366.htm for a map and information on the locations that will see this occultation. The full Moon after next will be Sunday morning, July 21, 2024, at 6:17 AM EDT. This will be late Saturday night for the International Date Line West and the American Samoa and Midway time zones and early Monday morning for Line Islands Time. The Moon will appear full for about three days around this time, from Friday evening through Monday morning, making this a full Moon weekend.
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