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    • By NASA
      With the dress rehearsal completed during Apollo 10 in May 1969, only a few weeks remained until Apollo 11, the actual Moon landing mission to meet President Kennedy’s goal set in 1961. Apollo 11 astronauts Neil A. Armstrong, Michael Collins, and Edwin E. “Buzz” Aldrin and their backups James A. Lovell, William A. Anders, and Fred W. Haise entered the final phase of their training, rehearsing their mission in simulators and practicing for the lunar surface activities. Teams in Mission Control supported the simulations. A successful countdown demonstration cleared the way to start the actual countdown leading to launch. In the Pacific Ocean, U.S. Navy and NASA teams prepared for the recovery of the astronauts returning from the Moon, and for their postflight quarantine.
      Apollo 10
      After returning from their successful Moon landing dress rehearsal mission on May 26, 1969, Apollo 10 astronauts Thomas P. Stafford, John W. Young, and Eugene A. Cernan passed on their knowledge and lessons learned to the Apollo 11 Moon landing crew during postflight debriefs. On June 8, they accepted Emmy Awards on behalf of all Apollo crews for their television broadcasts from space, with special recognition for Apollo 10’s first use of color TV in space. On June 19, Stafford, Young, and Cernan returned to NASA’s Kennedy Space Center (KSC) in Florida to thank the employees there for getting them safely into orbit. On June 30, President Richard M. Nixon hosted them and their wives at a White House black tie dinner in their honor.

      Left: Apollo 10 astronauts debrief their mission with the Apollo 11 astronauts. Middle: Apollo 10 astronauts John W. Young, left, Eugene A. Cernan, and Thomas P. Stafford hold their Emmy Awards. Right: At NASA’s Kennedy Space Center (KSC) in Florida, Stafford, left, Young, and Cernan hold photographs of their launch presented to them by KSC Launch Director Rocco A. Petrone.

      Apollo 10 astronauts Thomas P. Stafford, left, John W. Young, and Eugene A. Cernan wave to employees as they ride in a convertible through NASA’s Kennedy Space Center in Florida.
      Apollo 11

      The document from NASA’s Office of Manned Space Flight stating Apollo 11’s primary objective.
      On June 26, Samuel C. Phillips, Apollo Program Director, and George E. Mueller, Associate Administrator for Manned Space Flight at NASA Headquarters in Washington, D.C., signed the directive stating Apollo 11’s primary objective: perform a manned lunar landing and return. The focus of the crew’s training, and all the other preparatory activities happening across the agency, aimed at accomplishing that seemingly simple, yet in truth extremely complex and never before accomplished, task.

      Left: Apollo 11 astronauts Neil A. Armstrong, left, and Edwin E. “Buzz” Aldrin in the Lunar Module simulator at NASA’s Kennedy Space Center (KSC) in Florida. Right: Apollo 11 astronaut Michael Collins in KSC’s Command Module simulator.

      Apollo 11 Flight Directors Eugene F. Kranz, left, Glynn S. Lunney, Clifford E. Charlesworth, Milton L. Windler, and Gerald D. Griffin pose in Mission Control.
      The final weeks leading up to the launch of their historic mission proved quite busy for Apollo 11 astronauts Armstrong, Collins, and Aldrin and their backups Lovell, Anders, and Haise, as well as the ground teams preparing their rocket and spacecraft for flight. To train for the different phases of their mission, the astronauts conducted many sessions in Command Module (CM) and Lunar Module (LM) simulators at both the Manned Spacecraft Center (MSC), now NASA’s Johnson Space Center in Houston, and at KSC. For many of these sessions, teams of operators in MSC’s Mission Control monitored their activities as they would during the actual mission. Flight Directors Eugene F. Kranz, left, Glynn S. Lunney, Clifford E. Charlesworth, Milton L. Windler, and Gerald D. Griffin led the Mission Control teams.

      Apollo 11 astronauts Neil A. Armstrong, left, and Edwin E. “Buzz” Aldrin practice their lunar surface activities at the Manned Spacecraft Center, now NASA’s Johnson Space Center in Houston, left, and at NASA’s Kennedy Space Center in Florida.
      Apollo 11 would conduct the first spacewalk on another celestial body and only the second spacewalk of the Apollo program. At training facilities at MSC and KSC, Armstrong and Aldrin practiced setting up a television camera that would relay their activities back to Earth during the 2.5-hour excursion, deploying the three science experiments, and collecting rock and regolith samples for return to Earth.

      Left: Apollo 11 Commander Neil A. Armstrong prepares to fly the Lunar Landing Training Vehicle (LLTV) at Ellington Air Force Base in Houston. Middle: Armstrong airborne in the LLTV. Right: Apollo 11 backup Commander James A. Lovell following a flight in the LLTV.
      On June 6, NASA managers approved the resumption of astronaut training flights in the Lunar Landing Training Vehicle (LLTV) at Ellington Air Force Base (AFB) near MSC. The LLTV simulated the flight characteristics of the LM and astronauts used it to train for the final 200 feet of the descent to the lunar surface. Managers reached the decision after reviewing findings from the Review Board headed by astronaut Walter M. Schirra that investigated the Dec. 8, 1968 crash of LLTV-1 as well as results from flights in LLTV-2 made by MSC test pilots Harold E. “Bud” Ream and Jere B. Cobb. Between June 14 and 16, Armstrong flew LLTV-2 eight times to complete his training program with the vehicle. He had previously completed 12 simulated Moon landings in the LLTV and its predecessor, the Lunar Landing Research Vehicle (LLRV), narrowly escaping the crash of LLRV-1 in May 1968. Backup Commander Lovell completed four flights in the LLTV between June 19 and July 1. Armstrong, Aldrin, Lovell, and Haise also practiced landings in the Lunar Landing Research Facility (LLRF) at NASA’s Langley Research Center in Hampton, Virginia.

      Left: Senior NASA managers monitor the Apollo 11 Countdown Demonstration Test (CDDT) in Firing Room 1 of the Launch Control Center at NASA’s Kennedy Space Center. Right: The team of controllers in Firing Room 1 monitor the Apollo 11 CDDT.

      Left: Apollo 11 astronauts Neil A. Armstrong, front, Michael Collins, and Edwin E. “Buzz” Aldrin about to board the transfer van to Launch Pad 39A for the Countdown Demonstration Test (CDDT). Middle: Workers in the White Room assist Collins, left, Armstrong, and Aldrin to enter their spacecraft for the CDDT. Right: Armstrong, left, Aldrin, and Collins leave Launch Pad 39A at the conclusion of the CDDT.
      At KSC, engineers completed the three-day Flight Readiness Test on June 6, ensuring the flight readiness of the Saturn V rocket and the Apollo spacecraft perched on Launch Pad 39A. On June 17, top managers from NASA Headquarters and the Directors of MSC, KSC, and the Marshall Space Flight Center in Huntsville, Alabama, held the Flight Readiness Review at KSC. The meeting reviewed all aspects of readiness for the launch and mission, clearing the way for the next milestone, the Countdown Demonstration Test (CDDT). The CDDT, a full dress rehearsal for the actual countdown to launch, consisted of two parts. The “wet” test, conducted from June 27 to July 2, included fueling the rocket as if for flight, with the countdown stopping just prior to first stage engine ignition, and did not involve the flight crew. The “dry” test followed on July 3, an abbreviated countdown without fueling the rocket but with the astronauts boarding the CM as if on launch day. Controllers in Firing Room 1 of the Launch Control Center at Launch Complex 39 monitored all aspects of the CDDT as they would for an actual countdown. The successful test cleared the way for the start of the launch countdown at 8 p.m. EDT on July 10, leading to launch on July 16.

      The three commemorative items carried aboard Apollo 11. Left: The Lunar Flag Assembly. Middle: The stainless steel commemorative plaque. Right: The silicon disc containing messages of goodwill from world leaders.
      On July 2, NASA announced that Armstrong and Aldrin would leave three symbolic items behind on the Moon to commemorate the historic first landing – an American flag, a commemorative plaque, and a silicon disc bearing messages from world leaders. The astronauts would plant the three-by-five-foot flag near their LM during their spacewalk. The stainless steel plaque bore the images of the two hemispheres of the Earth and this inscription,
      HERE MEN FROM THE PLANET EARTH
      FIRST SET FOOT UPON THE MOON
      JULY 1969 A.D.
      WE CAME IN PEACE FOR ALL MANKIND
      The signatures of the three astronauts and President Richard M. Nixon also appeared on the plaque. Workers mounted it on the forward landing leg strut of the LM. The one-and-one-half-inch silicon disc contained messages of goodwill from 73 world leaders, etched on the disk using the technique to make microcircuits for electronic equipment. The crew placed the disc on the lunar surface at the end of their spacewalk.

      Left: Apollo 11 astronauts Neil A. Armstrong, left, Edwin E. “Buzz” Aldrin, and Michael Collins hold a copy of the commemorative plaque they will leave behind on the Moon and their mission patch. Right: The Apollo 11 astronauts in the glass-enclosed room at the Lunar Receiving Laboratory.
      During a July 5 press conference in the MSC auditorium, the Apollo 11 astronauts revealed the call signs for their spacecraft. They named their CM Columbia and their LM Eagle. “We selected these as being representative of the flight, the nation’s hope,” said Armstrong. Columbia served as a national symbol represented by a statue atop the Capitol in Washington, D.C. They named the LM after the symbol of the United States, the bald eagle, featured on the Apollo 11 mission patch. In a second event, the astronauts answered reporters’ questions from inside a glass-enclosed conference room at MSC’s Lunar Receiving Laboratory (LRL). After their mission, the returning astronauts completed their 21-day quarantine in the LRL to prevent any back contamination of the Earth by any possible lunar microorganisms.

      NASA’s Johnson Space Center in Houston, workers simulate the arrival of the first Moon rocks and other items returned from Apollo 11. Middle: Workers practice docking the Mobile Quarantine Facility (MQF) with the LRL. Right: In Pearl Harbor, Hawaii, workers barge the prime and backup MQFs to load them onto the U.S.S. Hornet. Image credit: courtesy U.S. Navy.
      At the LRL, other preparations for the return of the Apollo 11 astronauts from the Moon included a simulation of the arrival and processing of the Moon rocks and other items following the mission. The rocks, crew biological samples, and film would be flown from the prime recovery ship to Houston ahead of the crew. Engineers and technicians also rehearsed the arrival of the crew with a dry run of docking a Mobile Quarantine Facility (MQF) to the LRL’s loading dock. Following the test, workers loaded two MQFs, a prime and a backup, onto a cargo plane for transport to Hawaii and loading onto the prime recovery ship.

      Left: Workers in Pearl Harbor, Hawaii, prepare to lift a boilerplate Apollo Command Module onto the U.S.S. Hornet for splashdown and recovery rehearsals. Image credit: courtesy U.S. Navy Bob Fish. Middle: Crews from the U.S.S. Hornet practice recovery operations. Right: Recovery team members dry their Biological Isolation Garments aboard the U.S.S. Hornet following a recovery exercise.
      On June 12, the U.S. Navy notified NASA that it had selected the U.S.S. Hornet (CVS-12) as the prime recovery ship for Apollo 11 to undertake the most complex recovery of an astronaut crew. The same day, with Hornet docked in her home port of Long Beach, California, its commanding officer, Capt. Carl J. Seiberlich, held the first recovery team meeting to review the Apollo Recovery Operations Manual, written by MSC’s Landing and Recovery Division. Between June 12 and 25, Hornet onloaded NASA equipment required for the recovery. On June 27, Hornet left Long Beach for a three-hour stop in San Diego, where air group maintenance and support personnel embarked. The next day, after Hornet left for Pearl Harbor, Hawaii, pilots flew the aircraft required to support the recovery onto the carrier. During the cruise to Pearl Harbor, Hornet’s 90-man team detailed for Apollo 11 recovery operations held numerous meetings and table-top simulations. After arriving in Hawaii on July 2, workers loaded a boilerplate Apollo capsule onto the aircraft carrier to be used for recovery practice. The NASA recovery team, the Frogmen swimmers from the U.S. Navy’s Underwater Demolition Team 11 (UDT-11) who assisted with the recovery, and some media personnel arrived onboard. For the recovery operation, Capt. Seiberlich adopted the motto “Hornet Plus Three,” indicating the goal of a safe recovery of the three astronauts returning from the Moon. On July 3, Capt. Seiberlich introduced the 35-member NASA recovery team to the Hornet’s crew. Donald E. Stullken, Chief of the Recovery Operations Branch at MSC and inventor of the inflatable flotation collar attached by swimmers to the capsule after splashdown, led the NASA team. His assistant John C. Stonesifer oversaw the decontamination and quarantine operations. Stullken and Stonesifer briefed Hornet’s Command Module Retrieval Team on all events associated with the recovery and retrieval of an Apollo capsule and its crew. On July 6, workers loaded the two MQFs aboard Hornet. The prime MQF would house the returning astronauts, a flight surgeon, and an engineer from shortly after splashdown until their arrival at the LRL in Houston several days later. The second MQF served as a backup should a problem arise with the first or if violations of quarantine protocols required additional personnel to be isolated. Along with the MQFs, Navy personnel loaded other equipment necessary for the recovery, including 55 one-gallon containers of sodium hypochlorite to be used as a disinfectant. Between July 7 and 9, the Hornet conducted nine Simulated Recovery Exercises in local Hawaiian waters. Lieutenant Clarence J. “Clancy” Hatleberg led the team as the designated decontamination swimmer with U.S. Navy Frogmen serving as stand-ins for the astronauts, all wearing Biological Isolation Garments as they would on recovery day. The Hornet returned to Pearl Harbor to pick up the rest of the NASA recovery team before setting sail on July 12 for its first recovery position. 
      Apollo 12

      Left: Apollo 12 astronauts Charles “Pete” Conrad, left, Alan L. Bean, and Richard F. Gordon prepare to enter their Command Module for an altitude test. Right: Conrad after completing a flight in the Lunar Landing Training Vehicle.

      Left: In the Manned Spacecraft Operations Building (MSOB) at NASA’s Kennedy Space Center, workers finish attaching the landing gear to the Apollo 12 Lunar Module (LM). Middle left: Workers in the MSOB prepare to mate the Apollo 12 Command and Service Modules with the Spacecraft LM Adapter. Middle right: Workers move the assembled Apollo 12 spacecraft from the MSOB to the Vehicle Assembly Building (VAB). Right: In the VAB. workers lower the Apollo 12 spacecraft onto its Saturn V rocket.
      With Apollo 11 on its launch pad, workers continued to prepare Apollo 12 for its eventual journey to the Moon, targeting a September launch should Apollo 11 not succeed. If Apollo 11 succeeded in its Moon landing mission, Apollo 12 would fly later, most likely in November, to attempt the second Moon landing at a different location. In KSC’s Vehicle Assembly Building (VAB), the three-stage Saturn V stood on its Mobile Launcher, awaiting the arrival of the Apollo spacecraft. In the nearby Manned Spacecraft Operations Building, the Apollo 12 prime crew of Charles “Pete” Conrad, Richard F. Gordon, and Alan L. Bean and their backups David R. Scott, Alfred M. Worden, and James B. Irwin completed altitude chamber tests of the CM and LM during the first two weeks of June. Workers removed the spacecraft from the vacuum chambers, mated them on June 27, and transferred them to the VAB on July 1 for stacking on the Saturn V rocket. At Ellington AFB in Houston, Conrad completed his first flights aboard LLTV-2 on July 9-10.
      Apollo 13

      Left: In the Vehicle Assembly Building at NASA’s Kennedy Space Center (KSC) in Florida, workers place the first stage of the Apollo 13 Saturn V rocket onto the Mobile Launcher to begin the stacking process. Middle: The Apollo 13 Command and Service Modules arrive at KSC. Right: The ascent stage of the Apollo 13 Lunar Module arrives at KSC.
      In the event that neither Apollo 11 nor 12 succeeded in landing on the Moon, NASA stood prepared to try a third time with Apollo 13 in November or December, still in time to meet President Kennedy’s deadline. The Apollo 13 Command and Service Modules arrived at KSC on June 26, followed by the LM ascent and descent stages on June 28 and 29, respectively. The Saturn V’s S-IC first stage arrived on June 16 and workers placed it on its Mobile Launcher two days later. The S-IVB third stage and S-II second stage arrived June 13 and 29, respectively, and workers stacked the stages in mid-July.
      To be continued …
      News from around the world in June 1969:
      June 3 – Eric Carle publishes children’s picture book “The Very Hungry Caterpillar.”
      June 3 – The final episode of Star Trek airs on NBC.
      June 5 – The Tupolev Tu-144 became the first passenger jet to fly faster than the speed of sound.
      June 10 – The Nixon Administration cancels the U.S. Air Force Manned Orbiting Laboratory program.
      June 15 – “Hee Haw,” with Roy Clark and Buck Owens, premieres on CBS.
      June 20 – Georges Pompidou sworn in as the 19th President of France.
      June 20 – 200,000 attend Newport ’69, then largest-ever pop concert, in Northridge, California.
      June 23 – Warren E. Burger sworn in as U.S. Supreme Court Chief Justice.
      June 28 – Police carry out a raid at the Stonewall Inn in Greenwich Village, New York, beginning the modern LGBT rights movement.
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    • By NASA
      Perseverance Perseverance Mission Overview Rover Components Where is Perseverance? Ingenuity Mars Helicopter Mission Updates Science Overview Science Objectives Science Instruments Science Highlights News and Features Multimedia Perseverance Raw Images Mars Resources Mars Exploration All Planets Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto & Dwarf Planets 2 min read
      A Bright New Abrasion
      This image was acquired by the Front Right Hazard Avoidance Camera A on June 16, 2024 (Sol 1181) at the local mean solar time of 14:20:10. The image shows the area in front of the rover at Bright Angel with the arm extended as the PIXL instrument investigates the surface. NASA/JPL-Caltech Last week, Perseverance arrived at the long-awaited site of Bright Angel, named for being a light-toned rock that stands out in orbital data. The unique color here, as well as the surface characteristics and location on the edge of the ancient river channel Neretva Vallis, made Bright Angel a location of interest for the Mars 2020 Science Team.
      After capturing some stunning long-distance images of Bright Angel, Perseverance made the approach to the rocks. Closer camera images, Mastcam-Z, and SuperCam data showed intriguing surface textures on these light-toned rocks that the Science Team is actively working to understand.
      After a few days to process the beautiful images and exciting location, Perseverance executed a planned abrasion on the rocks in front of the rover, which can be seen in the above image if you look closely underneath the rover’s arm. This abrasion patch is named “Walhalla Glades” after an ancient archeological site in the Grand Canyon along the Colorado River, a tribute to Bright Angel’s location on the edge of the ancient Neretva Vallis river channel.
      Proximity science instruments were deployed to look at the abrasion patch in detail and provide high-resolution geochemical data of these rocks. In the Hazard Avoidance Camera image above, the PIXL instrument is pointed down at the abrasion patch on the rock surface as it performs a scan.
      The Science Team will take time to understand all the new data obtained at Bright Angel, comparing it to the past rocks Perseverance has investigated and determining if the area should be included in the sample cache onboard Perseverance. Characterizing the rocks of Bright Angel, connecting them to the surrounding rocks and sediment of Neretva Vallis, and placing them in context with the Crater Rim and Margin units should write an exciting chapter of the history of Jezero crater!
      Written by Eleanor Moreland, Ph.D. Student Collaborator at Rice University
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    • By NASA
      6 Min Read First of Its Kind Detection Made in Striking New Webb Image
      The Serpens Nebula from NASA’s James Webb Space Telescope. Alignment of bipolar jets confirms star formation theories
      For the first time, a phenomenon astronomers have long hoped to directly image has been captured by NASA’s James Webb Space Telescope’s Near-Infrared Camera (NIRCam). In this stunning image of the Serpens Nebula, the discovery lies in the northern area (seen at the upper left) of this young, nearby star-forming region.
      Astronomers found an intriguing group of protostellar outflows, formed when jets of gas spewing from newborn stars collide with nearby gas and dust at high speeds. Typically these objects have varied orientations within one region. Here, however, they are slanted in the same direction, to the same degree, like sleet pouring down during a storm.
      Image: Serpens Nebula (NIRCam)
      In this image of the Serpens Nebula from NASA’s James Webb Space Telescope, astronomers found a grouping of aligned protostellar outflows within one small region (the top left corner). Serpens is a reflection nebula, which means it’s a cloud of gas and dust that does not create its own light, but instead shines by reflecting the light from stars close to or within the nebula. The discovery of these aligned objects, made possible due to Webb’s exquisite spatial resolution and sensitivity in near-infrared wavelengths, is providing information into the fundamentals of how stars are born.
      “Astronomers have long assumed that as clouds collapse to form stars, the stars will tend to spin in the same direction,” said principal investigator Klaus Pontoppidan, of NASA’s Jet Propulsion Laboratory in Pasadena, California. “However, this has not been seen so directly before. These aligned, elongated structures are a historical record of the fundamental way that stars are born.”
      So just how does the alignment of the stellar jets relate to the rotation of the star? As an interstellar gas cloud crashes in on itself to form a star, it spins more rapidly. The only way for the gas to continue moving inward is for some of the spin (known as angular momentum) to be removed. A disk of material forms around the young star to transport material down, like a whirlpool around a drain. The swirling magnetic fields in the inner disk launch some of the material into twin jets that shoot outward in opposite directions, perpendicular to the disk of material.
      In the Webb image, these jets are signified by bright clumpy streaks that appear red, which are shockwaves from the jet hitting surrounding gas and dust. Here, the red color represents the presence of molecular hydrogen and carbon monoxide.
      “This area of the Serpens Nebula – Serpens North – only comes into clear view with Webb,” said lead author Joel Green of the Space Telescope Science Institute in Baltimore. “We’re now able to catch these extremely young stars and their outflows, some of which previously appeared as just blobs or were completely invisible in optical wavelengths because of the thick dust surrounding them.”
      Astronomers say there are a few forces that potentially can shift the direction of the outflows during this period of a young star’s life. One way is when binary stars spin around each other and wobble in orientation, twisting the direction of the outflows over time.
      Stars of the Serpens
      The Serpens Nebula, located 1,300 light-years from Earth, is only one or two million years old, which is very young in cosmic terms. It’s also home to a particularly dense cluster of newly forming stars (~100,000 years old), seen at the center of this image. Some of these stars will eventually grow to the mass of our Sun.
      “Webb is a young stellar object-finding machine,” Green said. “In this field, we pick up sign posts of every single young star, down to the lowest mass stars.”
      “It’s a very complete picture we’re seeing now,” added Pontoppidan.
      So, throughout the region in this image, filaments and wisps of different hues represent reflected starlight from still-forming protostars within the cloud. In some areas, there is dust in front of that reflection, which appears here with an orange, diffuse shade.
      This region has been home to other coincidental discoveries, including the flapping “Bat Shadow,” which earned its name when 2020 data from NASA’s Hubble Space Telescope revealed a star’s planet-forming disk to flap, or shift. This feature is visible at the center of the Webb image.
      Future Studies
      The new image, and serendipitous discovery of the aligned objects, is actually just the first step in this scientific program. The team will now use Webb’s NIRSpec (Near-Infrared Spectrograph) to investigate the chemical make-up of the cloud.
      The astronomers are interested in determining how volatile chemicals survive star and planet formation. Volatiles are compounds that sublimate, or transition from a solid directly to a gas, at a relatively low temperature – including water and carbon monoxide. They’ll then compare their findings to amounts found in protoplanetary disks of similar-type stars.
      “At the most basic form, we are all made of matter that came from these volatiles. The majority of water here on Earth originated when the Sun was an infant protostar billions of years ago,” Pontoppidan said. “Looking at the abundance of these critical compounds in protostars just before their protoplanetary disks have formed could help us understand how unique the circumstances were when our own solar system formed.”
      These observations were taken as part of General Observer program 1611. The team’s initial results have been accepted in the Astrophysical Journal.
      The James Webb Space Telescope is the world’s premier space science observatory. Webb is solving mysteries in our solar system, looking beyond to distant worlds around other stars, and probing the mysterious structures and origins of our universe and our place in it. Webb is an international program led by NASA with its partners, ESA (European Space Agency) and CSA (Canadian Space Agency).
      Downloads
      Right click any image to save it or open a larger version in a new tab/window via the browser’s popup menu.
      View/Download all image products at all resolutions for this article from the Space Telescope Science Institute.
      Science Paper: The science paper by J. Green et al., PDF (7.93 MB) 
      Media Contacts
      Laura Betz – laura.e.betz@nasa.gov, Rob Gutro – rob.gutro@nasa.gov
      NASA’s Goddard Space Flight Center, Greenbelt, Md.
      Hanna Braun hbraun@stsci.edu Christine Pulliam – cpulliam@stsci.edu
      Space Telescope Science Institute, Baltimore, Md.
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      Last Updated Jun 20, 2024 Editor Stephen Sabia Contact Laura Betz laura.e.betz@nasa.gov Related Terms
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    • By NASA
      2 min read
      NASA Releases Hubble Image Taken in New Pointing Mode
      This NASA Hubble Space Telescope features the galaxy NGC 1546. NASA, ESA, STScI, David Thilker (JHU) NASA’s Hubble Space Telescope has taken its first new images since changing to an alternate operating mode that uses one gyro.
      The spacecraft returned to science operations June 14 after being offline for several weeks due to an issue with one of its gyroscopes (gyros), which help control and orient the telescope.
      This new image features NGC 1546, a nearby galaxy in the constellation Dorado. The galaxy’s orientation gives us a good view of dust lanes from slightly above and backlit by the galaxy’s core. This dust absorbs light from the core, reddening it and making the dust appear rusty-brown. The core itself glows brightly in a yellowish light indicating an older population of stars. Brilliant-blue regions of active star formation sparkle through the dust. Several background galaxies also are visible, including an edge-on spiral just to the left of NGC 1546.
      Hubble’s Wide Field Camera 3 captured the image as part of a joint observing program between Hubble and NASA’s James Webb Space Telescope. The program also uses data from the Atacama Large Millimeter/submillimeter Array, allowing scientists to obtain a highly detailed, multiwavelength view of how stars form and evolve.
      The image represents one of the first observations taken with Hubble since transitioning to the new pointing mode, enabling more consistent science operations. The NASA team expects that Hubble can do most of its science observations in this new mode, continuing its groundbreaking observations of the cosmos.
      “Hubble’s new image of a spectacular galaxy demonstrates the full success of our new, more stable pointing mode for the telescope,” said Dr. Jennifer Wiseman, senior project scientist for Hubble at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. “We’re poised now for many years of discovery ahead, and we’ll be looking at everything from our solar system to exoplanets to distant galaxies. Hubble plays a powerful role in NASA’s astronomical toolkit.”
      Launched in 1990, Hubble has been observing the universe for more than three decades, recently celebrating its 34th anniversary. Read more about some of Hubble’s greatest scientific discoveries.
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      Claire Andreoli
      NASA’s Goddard Space Flight Center, Greenbelt, MD
      claire.andreoli@nasa.gov
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      Last Updated Jun 18, 2024 Editor Andrea Gianopoulos Location NASA Goddard Space Flight Center Related Terms
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    • By NASA
      The Lunar Reconnaissance Orbiter (LRO) and the Lunar Crater Observation and Sensing Satellite (LCROSS) launched together from Cape Canaveral Air Force, now Space Force, Station on June 18, 2009, atop an Atlas V launch vehicle. The primary mission of the LRO, managed by NASA’s Goddard Space Flight Center in Greenbelt, Maryland, involved imaging the entire Moon’s surface to create a 3-D map with ~50-centimeter resolution to aid in the planning of future robotic and crewed missions. In addition, LRO would map the polar regions and search for the presence of water ice. Although its primary mission intended to last only one year, it continues to operate after 15 years in lunar orbit. The LCROSS, managed by NASA’s Ames Research Center in California’s Silicon Valley, planned to further investigate the presence of water ice in permanently shaded areas of the Moon’s polar regions. The two components of LCROSS, the Centaur upper stage of the launch vehicle and the Shepherding Satellite, planned to deliberately crash into the Moon. Instruments on Earth and aboard LRO and the LCROSS Shepherding Satellite would observe the resulting plumes and analyze them for the presence of water.

      Left: Lunar Reconnaissance Orbiter (LRO), top, silver, and Lunar Crater Observation and Sensing Satellite (LCROSS), bottom, gold, spacecraft during placement inside the launch shroud. Right: Launch of LRO and LCROSS on an Atlas V rocket.
      The LRO spacecraft carries seven scientific instruments:
      the Cosmic Ray Telescope for the Effects of Radiation (CRaTER) to characterize the lunar radiation environment; the Diviner Lunar Radiometer Experiment (DLRE) to identify areas cold enough to trap ice; the Lyman-Alpha Mapping Project (LMAP) to search for ice in the lunar polar regions; the Lunar Exploration Neutron Detector (LEND) to create a map of hydrogen distribution and to determine the neutron component of the lunar radiation environment; the Lunar Orbiter Laser Altimeter (LOLA) to measure slopes and roughness of potential landing sites; the Lunar Reconnaissance Orbiter Camera (LROC) consisting of two-narrow angle and one wide-angle camera to take high-resolution images of the lunar surface; and the Mini Radio Frequency (Mini-RF) experiment, an advanced radar system to image the polar regions and search for water ice.
      Left: Illustration of the Lunar Reconnaissance Orbiter and its scientific instruments. Right: Illustration of the Lunar Crater Observation and Sensing Satellite and its scientific instruments on panel at left.
      The LCROSS Shepherding Satellite carried nine instruments – five cameras (one visible, two near-infrared, and two mid-infrared); three spectrometers (one visible and two near-infrared); and a photometer. They monitored the plume sent up by the impact of the Centaur upper stage.

      Left: Illustration of the Lunar Reconnaissance Orbiter in lunar orbit. Right: Illustration of the Lunar Crater Observation and Sensing Satellite’s Shepherding Satellite at left and Centaur upper stage at right prior to lunar impact.
      On June 23, 2009, after a four-and-a-half-day journey from Earth, LRO entered an elliptical polar orbit around the Moon. Over the next four days, four engine burns refined the spacecraft’s orbit and engineers on the ground began commissioning its instruments. The LROC returned its first image of the Moon on June 30 of an area near the Mare Nubium. On Sept. 15, 2009, LRO began its primary one-year mission to map the lunar surface from its science orbit 31 miles above the Moon.  
      On Oct. 9, 2009, first the Centaur upper stage followed five minutes later by the LCROSS Shepherding Satellite crashed into the Moon’s Cabeus Crater near the lunar south pole. Although the impacts created smaller plumes than anticipated, instruments detected signs of water in the ejected debris.
      In September 2010, LRO completed its primary mapping mission and began an extended science mission around the Moon. On Dec. 17, NASA released the most detailed topographic map covering more than 98 percent of the Moon’s surface based on data from LRO’s LOLA instrument. The map continues to be updated as new data are received from the spacecraft. On March 15, 2011, LRO had made available more than 192 terabytes of data from its primary mission to the NASA Planetary Data System, or PDS, to make the information available to researchers, students, media, and the general public. LRO  continues to deliver data to the PDS, having generated the largest volume of data from a NASA planetary science mission ever.

      Left: First high-resolution image of the Moon taken by Lunar Reconnaissance Orbiter (LRO). Middle: Mosaic of LRO images of the Moon’s near side. Right: Mosaic of LRO images of the Moon’s far side.

      Left: Mosaic of Lunar Reconnaissance Orbiter (LRO) images of the lunar north pole. Right: Mosaic of LRO images of the lunar south pole.
      The LCROSS data showed that the lunar soil within shadowy craters is rich in useful materials, such as hydrogen gas, ammonia, and methane, which could be used to produce fuel for space missions. Large amounts of light metals, such as sodium, mercury, and silver, were discovered. The data revealed that there is perhaps as much as hundreds of millions of tons of frozen water on the Moon, enough to make it an effective oasis for future explorers.
      Thanks to its unique vantage point in a low altitude lunar orbit, LRO’s camera has taken remarkably detailed images of all six Apollo landing sites. The detail is such that not only can the Lunar Module (LM) descent stages be clearly identified, but disturbances of the lunar soil by the astronauts’ boots, the shadows of the American flag are visible at five of the landing sites, and the Lunar Rovers from the last three missions are even visible. The scientific instruments, and in at least three of the landing sites, the U.S. flag left by the astronauts can be discerned. The flag at the Apollo 11 site cannot be seen because it most likely was blown over by the exhaust of the LM’s ascent stage engine when the astronauts lifted off. In addition to the Apollo landing sites, LRO has also imaged crash and soft-landing sites of other American, Soviet, Chinese, Indian, and Israeli spacecraft, including craters left by the deliberate impacts of Apollo S-IVB upper stages. It also imaged a Korean satellite in lunar orbit as the two flew within a few miles of each other at high speed. LRO also turned its camera Earthward to catch stunning Earthrise views, one image with Mars in the background, and the Moon’s shadow on the Earth during the total solar eclipse on April 8, 2024.

      Lunar Reconnaissance Orbiter images of the Apollo 11, left, 12, and 14 landing sites.

      Lunar Reconnaissance Orbiter images of the Apollo 15, left, 16, and 17 landing sites.

      Left: Lunar Reconnaissance Orbiter (LRO) image of Luna 17 that landed on the Moon on Nov. 17, 1970, and the tracks of the Lunokhod 1 rover that it deployed. Middle: LRO image of the Chang’e 4 lander and Yutu 2 rover that landed on the Moon’s far side on Jan. 3, 2019. Right: LRO image of the Chandrayaan 3 lander taken four days after it landed on the Moon on Aug. 23, 2023.

      Left: Lunar Reconnaissance Orbiter (LRO) image of Odysseus that landed on the Moon on Feb. 22, 2024. Middle: LRO image taken on March 5, 2024, of the Danuri lunar orbiting satellite as the two passed within 3 miles of each other at a relative velocity of 7,200 miles per hour. Right: LRO image of the Chang’e 6 lander on the Moon’s farside, taken on June 7, 2024.

      Left: Lunar Reconnaissance Orbiter (LRO) image of Earthrise over Compton Crater taken Oct. 12, 2015. Middle: LRO image of Earth and Mars taken Oct. 2, 2014. Right: LRO image of the total solar eclipse taken on April 8, 2024.
      The LRO mission continues with the spacecraft returning images and data from its instruments. LRO has enough fuel on board to operate until 2027. The spacecraft can support new robotic lunar activities and the knowledge from the mission will help aid in the return of humans to the lunar surface. 
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