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Telescopes and Spacecraft Join Forces to Probe Deep into Jupiter's Atmosphere
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By NASA
Jorge Chong is helping shape the future of human spaceflight, one calculation at a time. As a project manager for TRON (Tracking and Ranging via Optical Navigation) and a guidance, navigation, and control (GNC) test engineer in the Aeroscience and Flight Mechanics Division, he is leading efforts to ensure the Orion spacecraft can navigate deep space autonomously.
Jorge Chong in front of the Mission Control Center at NASA’s Johnson Space Center in Houston when he helped with optical navigation operations during Artemis I.Image courtesy of Jorge Chong “GNC is like the brain of a spacecraft. It involves a suite of sensors that keep track of where the vehicle is in orbit so it can return home safely,” he said. “Getting to test the components of a GNC system makes you very familiar with how it all works together, and then to see it fly and help it operate successfully is immensely rewarding.”
His work is critical to the Artemis campaign, which aims to return humans to the Moon and pave the way for Mars. From developing optical navigation technology that allows Orion to determine its position using images of Earth and the Moon to testing docking cameras and Light Detection and Ranging systems that enable autonomous spacecraft rendezvous, Chong is pushing the limits of exploration. He also runs high-fidelity flight simulations at Lockheed Martin’s Orion Test Hardware facility in Houston, ensuring Orion’s software is ready for the demands of spaceflight.
Chong’s NASA career spans seven years as a full-time engineer, plus three years as a co-op student at NASA’s Johnson Space Center in Houston. In 2024, he began leading Project TRON, an optical navigation initiative funded by a $2 million Early Career Initiative award. The project aims to advance autonomous space navigation—an essential capability for missions beyond Earth’s orbit.
Jorge Chong and his colleagues with the Artemis II docking camera in the Electro-Optics Lab at Johnson. From left to right: Paul McKee, Jorge Chong, and Kevin Kobylka. Bottom right: Steve Lockhart and Ronney Lovelace. Thanks to Chong’s work, the Artemis Generation is one step closer to exploring the Moon, Mars, and beyond. He supported optical navigation operations during Artemis I, is writing software that will fly on Artemis II, and leads optical testing for Orion’s docking cameras. But his path to NASA wasn’t always written in the stars.
“I found math difficult as a kid,” Chong admits. “I didn’t enjoy it at first, but my parents encouraged me patiently, and eventually it started to click and then became a strength and something I enjoyed. Now, it’s a core part of my career.” He emphasizes that perseverance is key, especially for students who may feel discouraged by challenging subjects.
Most of what Chong has learned, he says, came from working collaboratively on the job. “No matter how difficult something may seem, anything can be learned,” he said. “I could not have envisioned being involved in projects like these or working alongside such great teams before coming to Johnson.”
Jorge Chong (left) and his siblings Ashley and Bronsen at a Texas A&M University game. Image courtesy of Jorge Chong His career has also reinforced the importance of teamwork, especially when working with contractors, vendors, universities, and other NASA centers. “Coordinating across these dynamic teams and keeping the deliverables on track can be challenging, but it has helped to be able to lean on teammates for assistance and keep communication flowing,” said Chong.
And soon, those systems will help Artemis astronauts explore places no human has gone before. Whether guiding Orion to the Moon or beyond, Chong’s work is helping NASA write the next chapter of space exploration.
“I thank God for the doors He has opened for me and the incredible mentors and coworkers who have helped me along the way,” he said.
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By Space Force
The DARC partnership is completing construction at the first of three sites that will host a global network of advanced ground-based sensors.
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By European Space Agency
Lobster-eye satellite Einstein Probe captured the X-ray flash from a very elusive celestial pair. The discovery opens a new way to explore how massive stars interact and evolve, confirming the unique power of the mission to uncover fleeting X-ray sources in the sky.
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By NASA
Credit: NASA NASA’s Small Spacecraft Systems Virtual Institute (S3VI) is pleased to announce the official release of the highly anticipated 2024 State-of-the-Art Small Spacecraft Technology report. This significant accomplishment was made possible by the contributions of numerous dedicated people across NASA who graciously supported the preparation of the document as authors and reviewers. We also want to extend our gratitude to all the companies, universities, and organizations that provided content for this report.
The 2024 report can be found online at https://www.nasa.gov/smallsat-institute/sst-soa. The report is also available in PDF format as a single document containing all report content as well as individual chapters available on their respective chapter webpages. This 2024 edition reflects updates in several chapters to include: the Formation Flying and Rendezvous and Proximity Operations section within the “Guidance, Navigation, and Control” chapter; the Additive Manufacturing section within the “Structures, Materials, and Mechanisms” chapter; the Free Space Optical Communications section within the “Communications” chapter; and the Hosted Orbital Services section within the “Complete Spacecraft Platforms” chapter.
As in previous editions, the report contains a general overview of current state-of-the-art SmallSat technologies and their development status as discussed in open literature. The report is not intended to be an exhaustive representation of all technologies currently available to the small spacecraft community, nor does the inclusion of technologies in the report serve as an endorsement by NASA. Sources of publicly available date commonly used as sources in the development of the report include manufacturer datasheets, press releases, conference papers, journal papers, public filings with government agencies, and news articles. Readers are highly encouraged to reach out to companies for further information regarding the performance and maturity of described technologies of interest. During the report’s development, companies were encouraged to release test information and flight data when possible so it may be appropriately captured. It should be noted that technology maturity designations may vary with change to payload, mission requirements, reliability considerations, and the associated test/flight environment in which performance was demonstrated.
Suggestions or corrections to the 2024 report toward a subsequent edition, should be submitted to the NASA Small Spacecraft Systems Virtual Institute Agency-SmallSat-Institute@mail.nasa.gov for consideration prior to the publication of the future edition. When submitting suggestions or corrections, please cite appropriate publicly accessible references. Private correspondence is not considered an adequate reference. Efforts are underway for the 2025 report and organizations are invited to submit technologies for consideration for inclusion by August 1, 2025.
NASA’s Small Spacecraft Technology program within the Space Technology Mission Directorate funds the Small Spacecraft Systems Virtual Institute.
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By NASA
X-ray: NASA/CXC/Penn State Univ./L. Townsley et al.; Infrared: NASA/JPL-CalTech/SST; Optical: NASA/STScI/HST; Radio: ESO/NAOJ/NRAO/ALMA; Image Processing: NASA/CXC/SAO/J. Schmidt, N. Wolk, K. Arcand A bouquet of thousands of stars in bloom has arrived. This composite image contains the deepest X-ray image ever made of the spectacular star forming region called 30 Doradus.
By combining X-ray data from NASA’s Chandra X-ray Observatory (blue and green) with optical data from NASA’s Hubble Space Telescope (yellow) and radio data from the Atacama Large Millimeter/submillimeter Array (orange), this stellar arrangement comes alive.
X-ray: NASA/CXC/Penn State Univ./L. Townsley et al.; Infrared: NASA/JPL-CalTech/SST; Optical: NASA/STScI/HST; Radio: ESO/NAOJ/NRAO/ALMA; Image Processing: NASA/CXC/SAO/J. Schmidt, N. Wolk, K. Arcand Otherwise known as the Tarantula Nebula, 30 Dor is located about 160,000 light-years away in a small neighboring galaxy to the Milky Way known as the Large Magellanic Cloud (LMC). Because it one of the brightest and populated star-forming regions to Earth, 30 Dor is a frequent target for scientists trying to learn more about how stars are born.
With enough fuel to have powered the manufacturing of stars for at least 25 million years, 30 Dor is the most powerful stellar nursery in the local group of galaxies that includes the Milky Way, the LMC, and the Andromeda galaxy.
The massive young stars in 30 Dor send cosmically strong winds out into space. Along with the matter and energy ejected by stars that have previously exploded, these winds have carved out an eye-catching display of arcs, pillars, and bubbles.
A dense cluster in the center of 30 Dor contains the most massive stars astronomers have ever found, each only about one to two million years old. (Our Sun is over a thousand times older with an age of about 5 billion years.)
This new image includes the data from a large Chandra program that involved about 23 days of observing time, greatly exceeding the 1.3 days of observing that Chandra previously conducted on 30 Dor. The 3,615 X-ray sources detected by Chandra include a mixture of massive stars, double-star systems, bright stars that are still in the process of forming, and much smaller clusters of young stars.
There is a large quantity of diffuse, hot gas seen in X-rays, arising from different sources including the winds of massive stars and from the gas expelled by supernova explosions. This data set will be the best available for the foreseeable future for studying diffuse X-ray emission in star-forming regions.
The long observing time devoted to this cluster allows astronomers the ability to search for changes in the 30 Dor’s massive stars. Several of these stars are members of double star systems and their movements can be traced by the changes in X-ray brightness.
A paper describing these results appears in the July 2024 issue of The Astrophysical Journal Supplement Series. NASA’s Marshall Space Flight Center manages the Chandra program. The Smithsonian Astrophysical Observatory’s Chandra X-ray Center controls science operations from Cambridge, Massachusetts, and flight operations from Burlington, Massachusetts.
Read more from NASA’s Chandra X-ray Observatory.
Learn more about the Chandra X-ray Observatory and its mission here:
https://www.nasa.gov/chandra
https://chandra.si.edu
Visual Description
This release features a highly detailed composite image of a star-forming region of space known as 30 Doradus, shaped like a bouquet, or a maple leaf.
30 Doradus is a powerful stellar nursery. In 23 days of observation, the Chandra X-ray telescope revealed thousands of distinct star systems. Chandra data also revealed a diffuse X-ray glow from winds blowing off giant stars, and X-ray gas expelled by exploding stars, or supernovas.
In this image, the X-ray wind and gas takes the shape of a massive purple and pink bouquet with an extended central flower, or perhaps a leaf from a maple tree. The hazy, mottled shape occupies much of the image, positioned just to our left of center, tilted slightly to our left. Inside the purple and pink gas and wind cloud are red and orange veins, and pockets of bright white light. The pockets of white light represent clusters of young stars. One cluster at the heart of 30 Doradus houses the most massive stars astronomers have ever found.
The hazy purple and pink bouquet is surrounded by glowing dots of green, white, orange, and red. A second mottled purple cloud shape, which resembles a ring of smoke, sits in our lower righthand corner.
News Media Contact
Megan Watzke
Chandra X-ray Center
Cambridge, Mass.
617-496-7998
mwatzke@cfa.harvard.edu
Lane Figueroa
Marshall Space Flight Center, Huntsville, Alabama
256-544-0034
lane.e.figueroa@nasa.gov
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