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By Space Force
Space Operations Command, in partnership with Space Systems Command, approved the operational acceptance of a milestone upgrade to the Ground-Based Optical Sensor System at the Ground-based Electro-Optical Deep Space Surveillance site in White Sands Missile Range, New Mexico.
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By NASA
Technicians have successfully installed two sunshields onto NASA’s Nancy Grace Roman Space Telescope’s inner segment. Along with the observatory’s Solar Array Sun Shield and Deployable Aperture Cover, the panels (together called the Lower Instrument Sun Shade), will play a critical role in keeping Roman’s instruments cool and stable as the mission explores the infrared universe.
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This video shows technicians installing two sunshields onto NASA's nearly complete Nancy Grace Roman Space Telescope on July 17. The large yet lightweight panels will block sunlight, keeping Roman’s instruments cool and stable as the mission explores the infrared universe.Credit: NASA/Sophia Roberts The team is on track to join Roman’s outer and inner assemblies this fall to complete the full observatory, which can then undergo further prelaunch testing.
“This shield is like an extremely strong sunblock for Roman’s sensitive instruments, protecting them from heat and light from the Sun that would otherwise overwhelm our ability to detect faint signals from space,” said Matthew Stephens, an aerospace engineer at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.
The sunshade, which was designed and engineered at NASA Goddard, is essentially an extension of Roman’s solar panels, except without solar cells. Each sunshade flap is roughly the size of a garage door — about 7 by 7 feet (2.1 by 2.1 meters) — and 3 inches (7.6 centimeters) thick.
“They’re basically giant aluminum sandwiches, with metal sheets as thin as a credit card on the top and bottom and the central portion made up of a honeycomb structure,” said Conrad Mason, an aerospace engineer at NASA Goddard.
This design makes the panels lightweight yet stiff, and the material helps limit heat transfer from the side facing the Sun to the back—no small feat considering the front will be hot enough to boil water (up to 216 degrees Fahrenheit, or 102 degrees Celsius) while the back will be much colder than Antarctica’s harshest winter (minus 211 Fahrenheit, or minus 135 Celsius). A specialized polymer film blanket will wrap around each panel to temper the heat, with 17 layers on the Sun side and one on the shaded side.
The sunshade will be stowed and gently deploy around an hour after launch.
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In this time-lapse video, technicians manually deploy the Lower Instrument Sun Shield for NASA's Nancy Grace Roman Space Telescope. The test helps verify the panels will operate as designed in space.NASA/Sophia Roberts “The deploying mechanisms have dampers that work like soft-close hinges for drawers or cabinets, so the panels won’t slam open and rattle the observatory,” Stephens said. “They each take about two minutes to move into their final positions. This is the very first system that Roman will deploy in space after the spacecraft separates from the launch vehicle.”
Now completely assembled, Roman’s inner segment is slated to undergo a 70-day thermal vacuum test next. Engineers and scientists will test the full functionality of the spacecraft, telescope, and instruments under simulated space conditions. Following the test, the sunshade will be temporarily removed while the team joins Roman’s outer and inner assemblies, and then reattached to complete the observatory. The mission remains on track for launch no later than May 2027 with the team aiming for as early as fall 2026.
Click here to virtually tour an interactive version of the telescope Download high-resolution video and images from NASA’s Scientific Visualization Studio
The Nancy Grace Roman Space Telescope is managed at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, with participation by NASA’s Jet Propulsion Laboratory in Southern California; Caltech/IPAC in Pasadena, California; the Space Telescope Science Institute in Baltimore; and a science team comprising scientists from various research institutions. The primary industrial partners are BAE Systems Inc. in Boulder, Colorado; L3Harris Technologies in Rochester, New York; and Teledyne Scientific & Imaging in Thousand Oaks, California.
By Ashley Balzer
NASA’s Goddard Space Flight Center, Greenbelt, Md.
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Last Updated Jul 31, 2025 EditorAshley BalzerContactAshley Balzerashley.m.balzer@nasa.govLocationGoddard Space Flight Center Related Terms
Nancy Grace Roman Space Telescope Dark Energy Dark Matter Exoplanets Galaxies Goddard Space Flight Center Nebulae Sensing the Universe & Multimessenger Astronomy Stars The Universe Explore More
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By NASA
5 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA has released a new proposal opportunity for industry to tap into agency know-how, resources, and expertise. The Announcement of Collaboration Opportunity (ACO), managed by the Space Technology Mission Directorate, enables valuable collaboration without financial exchanges between NASA and industry partners. Instead, companies leverage NASA subject matter experts, facilities, software, and hardware to accelerate their technologies and prepare them for future commercial and government use.
On Wednesday, NASA issued a standing ACO announcement for partnership proposals which will be available for five years and will serve as the umbrella opportunity for topic-specific appendix releases. NASA intends to issue appendices every six to 12 months to address evolving space technology needs. The 2025 ACO appendix is open for proposals until Sept. 24.
NASA will host an informational webinar about the opportunity and appendix at 2 p.m. EDT on Wednesday, Aug. 6. Interested proposers are encouraged to submit questions which will be answered during the webinar and will be available online after the webinar.
NASA teaming with industry isn’t new – decades of partnerships have resulted in ambitious missions that benefit all of humanity. But in recent years, NASA has also played a key role as a technology enabler, providing one-of-a-kind tools, resources, and infrastructure to help commercial aerospace companies achieve their goals.
Since 2015, NASA has collaborated with industry on approximately 80 ACO projects. Here are some ways the collaborations have advanced space technology:
Lunar lander systems
Blue Origin and NASA worked together on several ACOs to mature the company’s lunar lander design. NASA provided technical reports and assessments and conducted tests at multiple centers to help Blue Origin advance a stacked fuel cell system for a lander’s primary power source. Other Blue Origin ACO projects evaluated high-temperature engine materials and advanced a landing navigation and guidance system.
Blue Origin’s Blue Moon Mark 1 (MK1) lander is delivering NASA science and technology to the Moon through the agency’s Commercial Lunar Payload Services initiative. In 2023, NASA selected Blue Origin as a Human Landing System provider to develop its Blue Moon MK2 lander for future crewed lunar exploration.
Artist concept of Blue Origin’s Blue Moon Mark 1 (MK1) lander.Blue Origin Blue Origin’s Blue Moon Mark 1 (MK1) lander is delivering NASA science and technology to the Moon through the agency’s Commercial Lunar Payload Services initiative. In 2023, NASA selected Blue Origin as a Human Landing System provider to develop its Blue Moon MK2 lander for future crewed lunar exploration.
Cryogenic fluid transfer
Throughout a year-long ACO, NASA and SpaceX engineers worked together to perform in-depth computational fluid analysis of proposed propellant transfer methods between two SpaceX Starship spacecraft in low-Earth orbit. The SpaceX-specific analysis utilized Starship flight data and data from previous NASA research and development to identify potential risks and help mitigate them during the early stages of commercial development. NASA also provided inputs as SpaceX developed an initial concept of operations for its orbital propellant transfer missions.
Artist’s concept of Starship propellant transfer in space.SpaceX SpaceX used the ACO analyses to inform the design of its Starship Human Landing System, which NASA selected in 2021 to put the first Artemis astronauts on the Moon.
Autonomous spacecraft navigation solution
Advanced Space and NASA partnered to advance the company’s Cislunar Autonomous Positioning System – software that allows lunar spacecraft to determine their location without relying exclusively on tracking from Earth.
Dylan Schmidt, CAPSTONE assembly integration and test lead, installs solar panels onto the CAPSTONE spacecraft at Tyvak Nano-Satellite Systems, Inc., in Irvine, California.NASA/Dominic Hart The CAPSTONE (Cislunar Autonomous Positioning System Technology Operations and Navigation Experiment) spacecraft launched to the Moon in 2022 and continues to operate and collect critical data to refine the software. Under the ACO, Advanced Space was able to use NASA’s Lunar Reconnaissance Orbiter to conduct crosslink experiments with CAPSTONE, helping mature the navigation solution for future missions. The mission’s Cislunar Autonomous Positioning System technology was initially supported through the NASA Small Business Innovation Research program.
Multi-purpose laser sensing system
Sensuron and NASA matured a miniature, rugged fiber optic sensing system capable of taking thermal and shape measurements for multiple applications. Throughout the ACO, Sensuron benefitted from NASA’s expertise in fiber optics and electrical, mechanical, and system testing engineering to design, fabricate, and “shake and bake” its prototype laser.
NASA’s Armstrong Flight Research Center’s FOSS, Fiber Optic Sensing System, recently supported tests of a system designed to turn oxygen into liquid oxygen, a component of rocket fuel. Patrick Chan, electronics engineer, and NASA Armstrong’s FOSS portfolio project manager, shows fiber like that used in the testing.NASA/Genaro Vavuris Space missions could use the technology to monitor cryogenic propellant levels and determine a fuel tank’s structural integrity throughout an extended mission. The laser technology also has medical applications on Earth, which ultimately resulted in the Sensuron spinoff company, The Shape Sensing Company.
Flexible lunar tires
In 2023, Venturi Astrolab began work with NASA under an ACO to test its flexible lunar tire design. The company tapped into testing capabilities unique to NASA, including heat transfer to cold lunar soil, traction, and life testing. The data validated the performance of tire prototypes, helping ready the design to support future NASA missions.
In 2024, NASA selected three companies, including Venturi Astrolab, to advance capabilities for a lunar terrain vehicle that astronauts could use to travel around the lunar surface, conducting scientific research on the Moon and preparing for human missions to Mars.
Venturi Lab designed and developed a durable, robust, and hyper-deformable lunar wheel.Venturi Lab The Announcement of Collaboration Opportunity (ACO) is one of many ways NASA enables commercial industry to develop, build, own, and eventually operate space systems. To learn more about these technology projects and more, visit: https://techport.nasa.gov/.
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Last Updated Jul 30, 2025 EditorLoura Hall Related Terms
Space Technology Mission Directorate Communicating and Navigating with Missions Small Spacecraft Technology Program Space Communications Technology Technology Technology Transfer & Spinoffs View the full article
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By NASA
NASA Astronaut Kate RubinsNASA NASA astronaut and microbiologist Kate Rubins retired Monday after 16 years with the agency. During her time with NASA, Rubins completed two long-duration missions aboard the International Space Station, logging 300 days in space and conducting four spacewalks.
“I want to extend my sincere gratitude to Kate for her dedication to the advancement of human spaceflight,” said Steve Koerner, acting director of NASA’s Johnson Space Center in Houston. “She is leaving behind a legacy of excellence and inspiration, not only to our agency, but to the research and medical communities as well. Congratulations, Kate, on an extraordinary career.”
Rubins’ first mission to the orbiting laboratory began in July 2016, aboard the first test flight of the new Soyuz MS spacecraft. As part of Expedition 48/49, she contributed to more than 275 scientific experiments, including molecular and cellular biology research, and she was the first person to sequence DNA in space. Her work enabled significant advances with in-flight molecular diagnostics, long-duration cell culture, and the development of molecular biology tools and processes, such as handling and transferring small amounts of liquids in microgravity. Rubins also led the integration and deployment of biomedical hardware aboard the space station, supporting crew health and scientific research in space and on Earth.
She again launched in October 2020, aboard a Soyuz spacecraft from the Baikonur Cosmodrome in Kazakhstan, taking part in Expedition 63/64. Alongside her crewmates, Rubins spent hundreds of hours working on new experiments and furthering research investigations conducted during her mission, including heart research and multiple microbiology studies. She also advanced her work on DNA sequencing in space, which could allow future astronauts to diagnose illness or identify microbes growing aboard the station or during future exploration missions.
“From her groundbreaking work in space to her leadership on the ground, Kate has brought passion and excellence to everything she’s done,” said Joe Acaba, chief of the Astronaut Office at NASA Johnson. “She’s been an incredible teammate and role model. We will miss her deeply, but her impact will continue to inspire.”
In addition to her flight assignments, Rubins served as acting deputy director of NASA’s Human Health and Performance Directorate, where she helped guide strategy for crew health and biomedical research. More recently, she contributed to developing next-generation lunar spacesuits, helping prepare for future Artemis missions to the Moon.
Before her selection as an astronaut in 2009, Rubins received a bachelor’s degree in molecular biology from the University of California, San Diego, and a doctorate in cancer biology from Stanford University Medical School’s Biochemistry Department and Microbiology and Immunology Department. After returning from her second space mission, Rubins commissioned as a major in the U.S. Army Reserve, serving as a microbiologist in the Medical Service Corps. She currently holds the role of innovation officer with the 75th U.S. Army Reserve Innovation Command’s MedBio Detachment, headquartered in Boston.
A frequent keynote speaker at scientific, educational, and industry events on space biology, biomedical engineering, and human exploration, Rubins has advocated for NASA’s scientific and exploration missions. As she transitions from government service, she remains committed to advancing innovation at the intersection of biology, technology, and space.
“It has been the honor of a lifetime to live and work in space,” said Rubins. “I am grateful for the extraordinary advances at NASA, and it was a privilege to serve and contribute to something so meaningful. The mission of exploration continues, and I can’t wait to watch this nation do what once seemed impossible.”
Learn more about how NASA explores the unknown and innovates for the benefit of humanity at:
https://www.nasa.gov/
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Raegan Scharfetter
Johnson Space Center, Houston
281-910-4989
raegan.r.scharfetter@nasa.gov
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By NASA
NASA’s TRACERS (Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites) mission launched at 2:13 p.m. EDT atop a SpaceX Falcon 9 rocket at Space Launch Complex 4 East at Vandenberg Space Force Base in California. Credit: SpaceX NASA’s newest mission, TRACERS, soon will begin studying how Earth’s magnetic shield protects our planet from the effects of space weather. Short for Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites, the twin TRACERS spacecraft lifted off at 11:13 a.m. PDT (2:13 p.m. EDT) Wednesday aboard a SpaceX Falcon 9 rocket from Space Launch Complex 4 East at Vandenberg Space Force Base in California.
“NASA is proud to launch TRACERS to demonstrate and expand American preeminence in space science research and technology,” said acting NASA Administrator Sean Duffy. “The TRACERS satellites will move us forward in decoding space weather and further our understanding of the connection between Earth and the Sun. This mission will yield breakthroughs that will advance our pursuit of the Moon, and subsequently, Mars.”
The twin satellites will fly one behind the other – following as closely as 10 seconds apart over the same location – and will take a record-breaking 3,000 measurements in one year to build a step-by-step picture of how magnetic reconnection changes over time.
Riding along with TRACERS aboard the Falcon 9 were NASA’s Athena EPIC (Economical Payload Integration Cost), PExT (Polylingual Experimental Terminal), and REAL (Relativistic Electron Atmospheric Loss) missions – three small satellites to demonstrate new technologies and gather scientific data. These three missions were successfully deployed, and mission controllers will work to contact them over the coming hours and days.
Ground controllers for the TRACERS mission established communications with the second of the two spacecraft at 3:43 p.m. PDT (6:43 p.m. EDT), about 3 hours after it separated from the rocket. During the next four weeks, TRACERS will undergo a commissioning period during which mission controllers will check out their instruments and systems.
Once cleared, the twin satellites will begin their 12-month prime mission to study a process called magnetic reconnection, answering key questions about how it shapes the impacts of the Sun and space weather on our daily lives.
“NASA’s heliophysics fleet helps to safeguard humanity’s home in space and understand the influence of our closest star, the Sun,” said Joe Westlake, heliophysics division director at NASA Headquarters in Washington. “By adding TRACERS to that fleet, we will gain a better understanding of those impacts right here at Earth.”
The two TRACERS spacecraft will orbit through an open region in Earth’s magnetic field near the North Pole, called the polar cusp. Here, TRACERS will investigate explosive magnetic events that happen when the Sun’s magnetic field – carried through space in a stream of solar material called the solar wind – collides with Earth’s magnetic field. This collision creates a buildup of energy that causes magnetic reconnection, when magnetic field lines snap and explosively realign, flinging away nearby particles at high speeds.
Flying through the polar cusp allows the TRACERS satellites to study the results of these magnetic explosions, measuring charged particles that race down into Earth’s atmosphere and collide with atmospheric gases – giving scientist the tools to reconstruct exactly how changes in the incoming solar wind affect how, and how quickly, energy and particles are coupled into near-Earth space.
“The successful launch of TRACERS is a tribute to many years of work by an excellent team,” said David Miles, TRACERS principal investigator at the University of Iowa. “TRACERS is set to transform our understanding of Earth’s magnetosphere. We’re excited to explore the dynamic processes driving space weather.”
Small Satellites Along for Ride
Athena EPIC is a pathfinder mission that will demonstrate NASA’s use of an innovative and configurable commercial SmallSat architecture to improve flexibility of payload designs, reduce launch schedule, and reduce overall costs in future missions, as well as the benefits of working collaboratively with federal partners. In addition to this demonstration for NASA, once the Athena EPIC satellite completes its two-week commissioning period, the mission will spend the next 12 months taking measurements of outgoing longwave radiation from Earth.
The PExT demonstration will test interoperability between commercial and government communication networks for the first time by demonstrating a wideband polylingual terminal in low Earth orbit. This terminal will use software-defined radios to jump between government and commercial networks, similar to cell phones roaming between providers on Earth. These terminals could allow future missions to switch seamlessly between networks and access new commercial services throughout its lifecycle in space.
The REAL mission is a CubeSat that will investigate how energetic electrons are scattered out of the Van Allen radiation belts and into Earth’s atmosphere. Shaped like concentric rings high above Earth’s equator, the Van Allen belts are composed of a mix of high-energy electrons and protons that are trapped in place by Earth’s magnetic field. Studying electrons and their interactions, REAL aims to improve our understanding of these energetic particles that can damage spacecraft and imperil astronauts who pass through them.
The TRACERS mission is led by David Miles at the University of Iowa with support from the Southwest Research Institute in San Antonio, Texas. NASA’s Heliophysics Explorers Program Office at the agency’s Goddard Space Flight Center in Greenbelt, Maryland, manages the mission for the Heliophysics Division at NASA Headquarters in Washington. The University of Iowa, Southwest Research Institute, University of California, Los Angeles, and the University of California, Berkeley, all lead instruments on TRACERS.
The Athena EPIC mission is led by NASA’s Langley Research Center in Hampton, Virginia, and is a partnership between National Oceanic and Atmospheric Administration, U.S. Space Force, and NovaWurks. Athena EPIC’s launch is supported by launch integrator SEOPS. The PExT demonstration is managed by NASA’s SCaN (Space Communications and Navigation) program in partnership with Johns Hopkins Applied Physics Laboratory, with launch support by York Space Systems. The REAL project is led by Dartmouth College in Hanover, New Hampshire, and is a partnership between Johns Hopkins Applied Physics Laboratory, Montana State University, and Boston University. Sponsored by NASA’s Heliophysics Division and CubeSat Launch Initiative, it was included through launch integrator Maverick Space Systems.
NASA’s Launch Services Program, based at the agency’s Kennedy Space Center in Florida, manages the VADR (Venture-class Acquisition of Dedicated and Rideshare) contract.
To learn more about TRACERS, visit:
https://nasa.gov/tracers
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Abbey Interrante / Karen Fox
Headquarters, Washington
301-201-0124 / 202-358-1600
abbey.a.interrante@nasa.gov / karen.c.fox@nasa.gov
Sarah Frazier
Goddard Space Flight Center, Greenbelt, Maryland
202-853-7191
sarah.frazier@nasa.gov
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Last Updated Jul 23, 2025 LocationNASA Headquarters Related Terms
TRACERS Earth Science Science Mission Directorate View the full article
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