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Deepest View of Space Yields Young Stars in Andromeda Halo
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By European Space Agency
Image: This Copernicus Sentinel-2 image from 21 November 2024 captures the first snow of the season over Denmark and southern Sweden. View the full article
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By NASA
iss071e650763 (Sept. 14, 2024) — The long exposure photograph taken by NASA astronaut Matthew Dominick shows star trails, streaks of city lights, and two Roscosmos crew ships, the Soyuz MS-26 docked to the Rassvet module (foreground) and the Soyuz MS-25 (background) docked to the Prichal docking module, as the International Space Station orbited 265 miles above central China.NASA Space Station trajectory data is now available to the public!
This data, called an ephemeris, is generated by the ISS Trajectory Operations and Planning Officer (TOPO) flight controllers in the Mission Control Center at NASA’s Johnson Space Center. TOPO keeps track of where the ISS is, where it is going to be, and most importantly makes sure it isn’t at risk of colliding with other objects in space. At ISS’s altitude, a very thin atmosphere is still present. This thin atmosphere creates drag and over time can cause TOPO’s predicted ISS trajectory to accumulate error. Because of this, TOPO updates the predicted trajectory approximately three times a week, so the ISS Flight Control Team has the best trajectory estimate possible. An accurate trajectory is essential for maintaining communications links, planning visiting vehicle rendezvous, and ensuring ISS’s path is clear of any potential collisions.
The links above and below are to the most current posted ephemeris. The ephemeris is in the CCSDS Orbital Ephemeris Message (OEM) standard and is available in .txt and .xml file formats. Each file contains header lines with the ISS mass in kg, drag area in m2, and drag coefficient used in generating the ephemeris. The header also contains lines with details for the first and last ascending nodes within the ephemeris span. Following this is a listing of upcoming ISS translation maneuvers, called “reboosts,” and visiting vehicle launches, arrivals, and departures.
After the header, ISS state vectors in the Mean of J2000 (J2K) reference frame are listed at four-minute intervals spanning a total length of 15 days. During reboosts (translation maneuvers), the state vectors are reported in two-second intervals. Each state vector lists the time in UTC; position X, Y, and Z in km; and velocity X, Y, and Z in km/s.
Orbit Ephemeris Message (OEM)
https://nasa-public-data.s3.amazonaws.com/iss-coords/current/ISS_OEM/ISS.OEM_J2K_EPH.txt https://nasa-public-data.s3.amazonaws.com/iss-coords/current/ISS_OEM/ISS.OEM_J2K_EPH.xml Users of this data should monitor this page for information regarding any future changes to the file format. Past data postings can be found archived on data.nasa.gov by searching “ISS COORDS.”
NOTE: NASA is providing this information for use by the general public. The OEM data format is supported natively by many commercial spaceflight software applications. Please consult your application’s support documentation for specific details on how to deploy this data.
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By Space Force
The U.S. Space Force activated its sixth service component, United States Space Forces – Japan at Yokota Air Base
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By NASA
3 Min Read Matt Dominick’s X Account: A Visual Journey from Space
We are lucky to have had the opportunity to fly in space and feel a responsibility to share with humanity the incredible views of the Earth and the cosmos.
Matt dominick
NASA Astronaut
NASA astronaut and Expedition 72 Flight Engineer Matthew Dominick launched to the International Space Station on March 3, 2024 as the commander of NASA’s SpaceX Crew-8 mission. As a flight engineer aboard the orbiting laboratory, Dominick conducted scientific research while capturing breathtaking views of Earth and beyond from the ultimate vantage point—250 miles above the planet.
Dominick’s X account (@dominickmatthew) has become a visual diary, showcasing the beauty of our planet captured from low Earth orbit during his 235 days in space. From the ethereal glow of auroras dancing across the atmosphere to comets rising up over the horizon during an orbital sunrise, each meticulously captured image reflects his dedication to sharing the wonders of space exploration through social media. He goes beyond simply posting pictures; he reveals the techniques behind his astrophotography, including camera settings and insights into his creative process, inviting followers to appreciate the artistry involved.
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Matt Dominick shared this timelapse video to his X account in August 2024, showing the Moon setting into streams of red and green aurora.Matt Dominick See the full X post here.
Amid his daily astronaut duties, Dominick dedicated personal time to this endeavor, amassing nearly 500,000 captivating photos of Earth and snapshots of life aboard the International Space Station, while having traveled 99,708,603 total statue miles around our home planet. Through his lens(es), he invited us to experience the awe of space while highlighting the realities of life in orbit, fostering an authentic connection with those who engage with his work.
Building on this commitment to connect, Dominick participated in the first-ever live X Spaces event from space, marking a new way for NASA astronauts to connect personally with followers. He shared insider tips on astrophotography from orbit and discussed the challenges and joys of capturing stunning images in microgravity. Concluding the event, he vividly narrated his live experience floating into the Cupola at sunset while orbiting over Paris just days before the 2024 Summer Olympic Games.
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A screen recording of the first X Spaces event from space featuring NASA astronaut Matt Dominick.NASA Dominick’s journey as an astronaut unfolds in real-time on his X account. He has captured the arrivals and departures of various spacecraft, documented dynamic weather events, and even participated in Olympic festivities. His stunning timelapses and behind-the-scenes videos offer an intimate look at life aboard the space station, beautifully illustrating the intricate interplay between science and wonder.
What sets Dominick’s account apart is his playful perspective. He invites his audience into lighthearted moments—whether he’s cleaning his retainer in microgravity, relishing the arrival of fresh fruit, or sharing insights from the ISS toolbox. By documenting and sharing these experiences, he demystifies the complexities of space travel, making it an accessible and relatable journey for all. Through his engaging posts, Dominick cultivates a deeper connection with his followers, encouraging them to share in the beauty and reality of life beyond our planet.
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Matt Dominick shared this video video to his X account in August 2024 after receiving fresh fruit aboard the International Space Station.Matt Dominick See the full X post here.
Visit Dominick’s X account (@dominickmatthew) to experience the wonders of space through his eyes, enriched by his remarkable journey of orbiting the Earth 3,760 times.
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Last Updated Dec 05, 2024 Related Terms
International Space Station (ISS) Astronauts Expedition 72 Humans in Space View the full article
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By Space Force
With the application window for Space Force special duty assignments for calendar year 2025 now open, Guardians have the opportunity to expand the breadth and depth of their skills while gaining knowledge of another part of the Space Force enterprise outside their normal duties.
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