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By NASA
Photo of Matt Anderson Acting NASA Administrator Janet Petro issued the following statement regarding the nomination by President Donald Trump of Matt Anderson Wednesday to serve as the agency’s deputy administrator:
“As a retired United States Air Force colonel and executive of the Space Force Association, Matt Anderson brings extensive knowledge of space operations, aeronautics expertise, and industry experience. If confirmed, he would join NASA’s leadership team at a time when partnerships and a sharpened focus on mission are essential to our continued success. Along with President Trump’s nominee to lead NASA, Jared Isaacman, he will strengthen collaboration across sectors and help NASA advance exploration, serve the American people, and deliver results for the benefit of all.”
Throughout his over 24-year tenure in the U.S. Air Force, Anderson culminated his career as the U.S. Transportation Command’s senior liaison officer to North American Aerospace Defense Command (NORAD), U.S. Northern Command (USNORTHCOM), and U.S. Space Command (USSPACECOM). He retired as a colonel Oct. 1, 2021. Anderson is currently a vice president and Space Force & Air Force client executive at CACI. He also serves as the chief growth officer at the Space Force Association.
An alum of the U.S. Air Force Academy, Embry-Riddle Aeronautical University, and the University of Colorado at Colorado Springs, Anderson holds degrees in biology, aeronautical science, and leadership & counseling. In 2024, Anderson was named by the Washington Exec as one of their “Top Space Execs to Watch.”
For more about NASA’s mission, visit:
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Bethany Stevens / Amber Jacobson
Headquarters, Washington
202-358-1600
bethany.c.stevens@nasa.gov / amber.c.jacobson@nasa.gov
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Last Updated May 07, 2025 EditorJessica TaveauLocationNASA Headquarters Related Terms
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By NASA
One half of NASA’s nearly complete Nancy Grace Roman Space Telescope just passed a lengthy test to ensure it will function properly in the space environment. This milestone keeps Roman well on track for its target launch by May 2027, with the team aiming for as early as fall 2026.
This photo shows half of the NASA’s Nancy Grace Roman observatory — the outer barrel assembly, deployable aperture cover, and test solar arrays — fully deployed in a thermal chamber at NASA’s Goddard Space Flight Center in Greenbelt, Md., for environmental testing. Credit: NASA/Sydney Rohde “This milestone tees us up to attach the flight solar array sun shield to the outer barrel assembly, and deployable aperture cover, which we’ll begin this month,” said Jack Marshall, who leads integration and testing for these elements at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. “Then we’ll complete remaining environmental tests for the flight assembly before moving on to connect Roman’s two major assemblies and run the full observatory through testing, and then we’ll be ready to launch!”
Prior to this thermal testing, technicians integrated Roman’s deployable aperture cover, a visor-like sunshade, to the outer barrel assembly, which will house the telescope and instruments, in January, then added test solar panels in March. They moved this whole structure into the Space Environment Simulator test chamber at NASA Goddard in April.
There, it was subjected to the hot and cold temperatures it will experience in space. Next, technicians will join Roman’s flight solar panels to the outer barrel assembly and sunshade. Then the structure will undergo a suite of assessments, including a shake test to ensure it can withstand the vibrations experienced during launch.
This photo captures the installation of the test solar panels for NASA’s Nancy Grace Roman Space Telescope, which took place in March. One panel is lifted in the center of the frame on its way to being attached to the outer barrel assembly at right. The deployable aperture cover is stowed on the front of the outer barrel assembly, and the other half of the observatory — the spacecraft and integrated payload assembly, which consists of the telescope, instrument carrier, and two instruments — appears at the left of the photo.Credit: NASA/Jolearra Tshiteya Meanwhile, Roman’s other major portion — the spacecraft and integrated payload assembly, which consists of the telescope, instrument carrier, and two instruments — will undergo its own shake test, along with additional assessments. Technicians will install the lower instrument sun shade and put this half of the observatory through a thermal vacuum test in the Space Environment Simulator.
“The test verifies the instruments will remain at stable operating temperatures even while the Sun bakes one side of the observatory and the other is exposed to freezing conditions — all in a vacuum, where heat doesn’t flow as readily as it does through air,” said Jeremy Perkins, an astrophysicist serving as Roman’s observatory integration and test scientist at NASA Goddard. Keeping the instrument temperatures stable ensures their readings will be precise and reliable.
Technicians are on track to connect Roman’s two major parts in November, resulting in a complete observatory by the end of the year. Following final tests, Roman is expected to ship to the launch site at NASA’s Kennedy Space Center in Florida for launch preparations in summer 2026. Roman remains on schedule for launch by May 2027, with the team aiming for launch as early as fall 2026.
This infographic shows the two major subsystems that make up NASA’s Nancy Grace Roman Space Telescope. The subsystems are each undergoing testing prior to being joined together this fall.Credit: NASA’s Goddard Space Flight Center To virtually tour an interactive version of the telescope, visit:
https://roman.gsfc.nasa.gov/interactive
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.
Media Contact:
Claire Andreoli
NASA’s Goddard Space Flight Center
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Last Updated May 07, 2025 EditorAshley BalzerContactAshley Balzerashley.m.balzer@nasa.govLocationNASA Goddard Space Flight Center Related Terms
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By NASA
Explore This Section Webb News Latest News Latest Images Webb’s Blog Awards X (offsite – login reqd) Instagram (offsite – login reqd) Facebook (offsite- login reqd) Youtube (offsite) Overview About Who is James Webb? Fact Sheet Impacts+Benefits FAQ Science Overview and Goals Early Universe Galaxies Over Time Star Lifecycle Other Worlds Observatory Overview Launch Deployment Orbit Mirrors Sunshield Instrument: NIRCam Instrument: MIRI Instrument: NIRSpec Instrument: FGS/NIRISS Optical Telescope Element Backplane Spacecraft Bus Instrument Module Multimedia About Webb Images Images Videos What is Webb Observing? 3d Webb in 3d Solar System Podcasts Webb Image Sonifications Team International Team People Of Webb More For the Media For Scientists For Educators For Fun/Learning 5 Min Read New Visualization From NASA’s Webb Telescope Explores Cosmic Cliffs
The landscape of “mountains” and “valleys” known as the Cosmic Cliffs is actually a portion of the nebula Gum 31, which contains a young star cluster called NGC 3324. Both Gum 31 and NGC 3324 are part of a vast star-forming region known as the Carina Nebula Complex. Credits:
NASA, ESA, CSA, STScI. In July 2022, NASA’s James Webb Space Telescope made its public debut with a series of breathtaking images. Among them was an ethereal landscape nicknamed the Cosmic Cliffs. This glittering realm of star birth is the subject of a new 3D visualization derived from the Webb data. The visualization, created by NASA’s Universe of Learning and titled “Exploring the Cosmic Cliffs in 3D,” breathes new life into an iconic Webb image.
It is being presented today at a special event hosted by the International Planetarium Society to commemorate the 100th anniversary of the first public planetarium in Munich, Germany.
The landscape of “mountains” and “valleys” known as the Cosmic Cliffs is actually a portion of the nebula Gum 31, which contains a young star cluster called NGC 3324. Both Gum 31 and NGC 3324 are part of a vast star-forming region known as the Carina Nebula Complex.
Ultraviolet light and stellar winds from the stars of NGC 3324 have carved a cavernous area within Gum 31. A portion of this giant bubble is seen above the Cosmic Cliffs. (The star cluster itself is outside this field of view.)
The Cliffs display a misty appearance, with “steam” that seems to rise from the celestial mountains. In actuality, the wisps are hot, ionized gas and dust streaming away from the nebula under an onslaught of relentless ultraviolet radiation.
Eagle-eyed viewers may also spot particularly bright, yellow streaks and arcs that represent outflows from young, still-forming stars embedded within the Cosmic Cliffs. The latter part of the visualization sequence swoops past a prominent protostellar jet in the upper right of the image.
Video: Exploring the Cosmic Cliffs in 3D
In July 2022, NASA’s James Webb Space Telescope made history, revealing a breathtaking view of a region now nicknamed the Cosmic Cliffs. This glittering landscape, captured in incredible detail, is part of the nebula Gum 31 — a small piece of the vast Carina Nebula Complex — where stars are born amid clouds of gas and dust.
This visualization brings Webb’s iconic image to life — helping us imagine the true, three-dimensional structure of the universe… and our place within it.
Produced for NASA by the Space Telescope Science Institute (STScI) with partners at Caltech/IPAC, and developed by the AstroViz Project of NASA’s Universe of Learning, this visualization is part of a longer, narrated video that provides broad audiences, including youth, families, and lifelong learners, with a direct connection to the science and scientists of NASA’s Astrophysics missions. That video enables viewers to explore fundamental questions in science, experience how science is done, and discover the universe for themselves.
“Bringing this amazing Webb image to life helps the public to comprehend the three-dimensional structure inherent in the 2D image, and to develop a better mental model of the universe,” said STScI’s Frank Summers, principal visualization scientist and leader of the AstroViz Project.
More visualizations and connections between the science of nebulas and learners can be explored through other products produced by NASA’s Universe of Learning including a Carina Nebula Complex resource page and ViewSpace, a video exhibit that is currently running at almost 200 museums and planetariums across the United States. Visitors can go beyond video to explore the images produced by space telescopes with interactive tools now available for museums and planetariums.
NASA’s Universe of Learning materials are based upon work supported by NASA under award number NNX16AC65A to the Space Telescope Science Institute, working in partnership with Caltech/IPAC, Center for Astrophysics | Harvard & Smithsonian, and NASA’s Jet Propulsion Laboratory.
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).
NASA’s Universe of Learning is part of the NASA Science Activation program, from the Science Mission Directorate at NASA Headquarters. The Science Activation program connects NASA science experts, real content and experiences, and community leaders in a way that activates minds and promotes deeper understanding of our world and beyond. Using its direct connection to the science and the experts behind the science, NASA’s Universe of Learning provides resources and experiences that enable youth, families, and lifelong learners to explore fundamental questions in science, experience how science is done, and discover the universe for themselves.
To learn more about Webb, visit:
https://science.nasa.gov/webb
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Laura Betz – laura.e.betz@nasa.gov
NASA’s Goddard Space Flight Center, Greenbelt, Md.
Christine Pulliam – cpulliam@stsci.edu
Space Telescope Science Institute, Baltimore, Md.
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Explore more: Carina Nebula Complex from NASA’s Universe of Learning
Read more: Webb’s view of the Cosmic Cliffs
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Read more: Webb’s star formation discoveries
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Last Updated May 07, 2025 Editor Marty McCoy Contact Laura Betz laura.e.betz@nasa.gov Related Terms
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By NASA
Dave Gallagher will become the director of NASA’s Jet Propulsion Laboratory in Southern California on Monday, June 2. Credit: NASA/JPL-Caltech The following is a statement from acting NASA Administrator Janet Petro on the appointment of David Gallagher as director of the agency’s Jet Propulsion Laboratory (JPL) in Southern California. NASA JPL announced Wednesday Laurie Leshin would step down effective Sunday, June 1.
“Laurie Leshin’s leadership at JPL has been nothing short of extraordinary. She brought a sharp scientific mind, a strong sense purpose, and a clear vision that helped propel the lab forward during a pivotal time. From groundbreaking missions to remarkable technological milestones, Laurie advanced JPL’s legacy of exploration and innovation. We are grateful for her service and wish her the very best as she continues to inspire in the next phase of her career.
“I’m equally confident in Dave Gallagher’s ability to lead JPL’s next chapter. He brings decades of experience, a steady hand, and a deep understanding of what makes JPL unique. With Dave at the helm, JPL remains well-positioned to continue delivering for NASA and the nation – pushing the boundaries of science and discovery for the benefit of all.”
For more information about NASA, visit:
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Bethany Stevens / Amber Jacobson
Headquarters, Washington
202-358-1600
bethany.c.stevens@nasa.gov / amber.c.jacobson@nasa.gov
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Last Updated May 07, 2025 EditorJennifer M. DoorenLocationNASA Headquarters Related Terms
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By NASA
Dave Gallagher will become the director of NASA’s Jet Propulsion Laboratory in Southern California on Sunday, June 1. NASA/JPL-Caltech Laurie Leshin has decided to step down as director of NASA’s Jet Propulsion Laboratory on Sunday, June 1. David Gallagher, who has been serving as the Lab’s associate director for Strategic Integration, has been selected by Caltech to lead the federally funded research and development center. Caltech manages JPL for NASA.
A distinguished geochemist, Leshin was named by Caltech to lead the lab in early 2022. Her career has spanned academia and senior positions at NASA. Several NASA missions managed by JPL have launched under her leadership, including EMIT, SWOT, Psyche, PREFIRE, Europa Clipper, and SPHEREx, with the NASA-Indian Earth satellite NISAR set for a June launch. In addition, JPL has advanced the development of NASA’s asteroid-hunting NEO Surveyor mission as well as the trio of CADRE lunar rovers, and it delivered the Coronagraph Instrument, a technology demonstration with NASA’s forthcoming Roman Space Telescope.
“I am proud of the many things JPL has accomplished over the past three years,” said Leshin. “In addition to the long list of missions that have launched or moved toward launch during that time, we saved Voyager more than once and flew into history on Mars with Ingenuity. We have made more amazing scientific discoveries than I can name, including finding potential ancient Martian biomarkers with Perseverance. And we’ve driven the forefront of technology on Earth and in space. I know those achievements will continue under Dave’s capable leadership.”
Leshin, who has also served as Caltech vice president, is stepping down for personal reasons and will remain a Bren Professor of Geochemistry and Planetary Science at Caltech.
“While we respect Laurie’s decision to step away from her leadership position at JPL, we will miss her drive, compassion, and dedication,” Caltech President Thomas Rosenbaum said. “At the same time, we are grateful to Dave Gallagher for his devotion to JPL and his continuing leadership and partnership going forward. Dave’s experience working across multiple government and private sector entities will help secure ongoing support for America’s agenda in space, with JPL continuing to play an essential role.”
Gallagher will draw on his deep experience at JPL to lead the lab into the future. He arrived at JPL 36 years ago, in 1989, and went on to hold numerous leadership positions. Along with having served as the director and deputy director for Astronomy, Physics, and Space Technology, he was manager of JPL’s Advanced Optical Systems Program Office. An electrical engineer, Gallagher also managed the Spitzer Space Telescope and, among other roles, led the team that built and tested the Wide Field/Planetary Camera 2 (WF/PC-2) — a critical instrument that corrected the spherical aberration on NASA’s Hubble Space Telescope.
“Laurie has made a significant impact on energizing and focusing the lab, guiding it back on track after the Covid-19 pandemic. I wish her great success in this next chapter of her career, and I look forward to a very smooth transition at the lab,” said Gallagher. “We have exciting opportunities ahead helping to advance our nation’s space agenda and a fantastic team to help realize them.”
Founded by Caltech faculty and students in 1936, JPL has been managed by Caltech on behalf of NASA since 1958.
News Media Contacts
Matthew Segal / Veronica McGregor
Jet Propulsion Laboratory, Pasadena, Calif.
818-354-8307 / 818-354-9452
matthew.j.segal@jpl.nasa.gov / veronica.c.mcgregor@jpl.nasa.gov
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