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Next major X-ray mission set to launch on Saturday
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By NASA
Technicians move the Orion spacecraft for NASA’s Artemis II test flight out of the Neil A. Armstrong Operations and Checkout Building to the Multi-Payload Processing Facility at Kennedy Space Center in Florida on Saturday, May 3, 2025. NASA/Kim Shiflett Engineers, technicians, mission planners, and the four astronauts set to fly around the Moon next year on Artemis II, NASA’s first crewed Artemis mission, are rapidly progressing toward launch.
At the agency’s Kennedy Space Center in Florida, teams are working around the clock to move into integration and final testing of all SLS (Space Launch System) and Orion spacecraft elements. Recently they completed two key milestones – connecting the SLS upper stage with the rest of the assembled rocket and moving Orion from its assembly facility to be fueled for flight.
“We’re extremely focused on preparing for Artemis II, and the mission is nearly here,” said Lakiesha Hawkins, assistant deputy associate administrator for NASA’s Moon to Mars Program, who also will chair the mission management team during Artemis II. “This crewed test flight, which will send four humans around the Moon, will inform our future missions to the Moon and Mars.”
Teams with NASA’s Exploration Ground Systems Program begin integrating the interim cryogenic propulsion stage to the SLS (Space Launch System) launch vehicle stage adapter on Wednesday, April 30, 2025, inside the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida. NASA/Isaac Watson On May 1, technicians successfully attached the interim cryogenic propulsion stage to the SLS rocket elements already poised atop mobile launcher 1, including its twin solid rocket boosters and core stage, inside the spaceport’s Vehicle Assembly Building (VAB). This portion of the rocket produces 24,750 pounds of thrust for Orion after the rest of the rocket has completed its job. Teams soon will move into a series of integrated tests to ensure all the rocket’s elements are communicating with each other and the Launch Control Center as expected. The tests include verifying interfaces and ensuring SLS systems work properly with the ground systems.
Meanwhile, on May 3, Orion left its metaphorical nest, the Neil Armstrong Operations & Checkout Facility at Kennedy, where it was assembled and underwent initial testing. There the crew module was outfitted with thousands of parts including critical life support systems for flight and integrated with the service module and crew module adapter. Its next stop on the road to the launch pad is the Multi-Payload Processing Facility, where it will be carefully fueled with propellants, high pressure gases, coolant, and other fluids the spacecraft and its crew need to maneuver in space and carry out the mission.
After fueling is complete, the four astronauts flying on the mission around the Moon and back over the course of approximately 10 days, will board the spacecraft in their Orion Crew Survival System spacesuits to test all the equipment interfaces they will need to operate during the mission. This will mark the first time NASA’s Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen, will board their actual spacecraft while wearing their spacesuits. After the crewed testing is complete, technicians will move Orion to Kennedy’s Launch Abort System Facility, where the critical escape system will be added. From there, Orion will move to the VAB to be integrated with the fully assembled rocket.
NASA also announced its second agreement with an international space agency to fly a CubeSat on the mission. The collaborations provide opportunities for other countries to work alongside NASA to integrate and fly technology and experiments as part of the agency’s Artemis campaign.
While engineers at Kennedy integrate and test hardware with their eyes on final preparations for the mission, teams responsible for launching and flying the mission have been busy preparing for a variety of scenarios they could face.
The launch team at Kennedy has completed more than 30 simulations across cryogenic propellant loading and terminal countdown scenarios. The crew has been taking part in simulations for mission scenarios, including with teams in mission control. In April, the crew and the flight control team at NASA’s Johnson Space Center in Houston simulated liftoff through a planned manual piloting test together for the first time. The crew also recently conducted long-duration fit checks for their spacesuits and seats, practicing several operations while under various suit pressures.
NASA astronaut Christina Koch participates in a fit check April 18, 2025, in the spacesuit she will wear during Artemis II. NASA/Josh Valcarcel Teams are heading into a busy summer of mission preparations. While hardware checkouts and integration continue, in coming months the crew, flight controllers, and launch controllers will begin practicing their roles in the mission together as part of integrated simulations. In May, the crew will begin participating pre-launch operations and training for emergency scenarios during launch operations at Kennedy and observe a simulation by the launch control team of the terminal countdown portion of launch. In June, recovery teams will rehearse procedures they would use in the case of a pad or ascent abort off the coast of Florida, with launch and flight control teams supporting. The mission management team, responsible for reviewing mission status and risk assessments for issues that arise and making decisions about them, also will begin practicing their roles in simulations. Later this summer, the Orion stage adapter will arrive at the VAB from NASA’s Marshall Spaceflight Center in Huntsville, Alabama, and stacked on top of the rocket.
NASA astronauts Reid Wiseman (foreground) and Victor Glover participate in a simulation of their Artemis II entry profile on March 13, 2025.NASA/Bill Stafford Through Artemis, NASA will send astronauts to explore the Moon for scientific discovery, economic benefits, and build the foundation for the first crewed missions to Mars.
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By European Space Agency
Video: 00:00:00 ESA’s state-of-the-art Biomass satellite launched aboard a Vega-C rocket from Europe’s Spaceport in Kourou, French Guiana. The rocket lifted off on 29 April 2025 at 11:15 CEST (06:15 local time).
In orbit, this latest Earth Explorer mission will provide vital insights into the health and dynamics of the world’s forests, revealing how they are changing over time and, critically, enhancing our understanding of their role in the global carbon cycle. It is the first satellite to carry a fully polarimetric P-band synthetic aperture radar for interferometric imaging. Thanks to the long wavelength of P-band, around 70 cm, the radar signal can slice through the whole forest layer to measure the ‘biomass’, meaning the woody trunks, branches and stems, which is where trees store most of their carbon.
Vega-C is the evolution of the Vega family of rockets and delivers increased performance, greater payload volume and improved competitiveness.
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By NASA
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA’s annual Student Launch challenge will bring middle school, high school, and college students from around the country together to launch high-powered rockets and payloads. On Saturday, May 3, from 8:30 a.m.-2:30 p.m. CDT (or until the last rocket launches), student teams will convene for the agency’s 25th annual challenge at Bragg Farms in Toney, Alabama, near NASA’s Marshall Space Flight Center in Huntsville.
Hundreds of students from across the U.S. and Puerto Rico launched amateur rockets near NASA’s Marshall Space Flight Center in Huntsville, Alabama, during the Agency’s 2024 Student Launch competition. NASA Live streaming will begin at 8:20 a.m. CDT on NASA Marshall YouTube.
Media interested in covering Student Launch events should contact Taylor Goodwin at 938-210-2891.
Winners will be announced June 9 during a virtual awards ceremony once all teams’ flight data has been verified.
Seventy-one teams participated this year; 47 teams are expected to launch in-person. Teams not traveling to Alabama are allowed to conduct final test flights at a qualified launch field near them.
Schedule of Events:
Rocket Fair: Friday, May 2, 2025, 3-6 p.m. at the Von Braun Center East Hall.
A free event for the public to view rockets and meet the student teams.
Launch Day: Saturday, May 3, 2025, gates open at 7 a.m. and the event runs from 8:30 a.m.-2:30 p.m. (or until last rocket launch) at Bragg Farms, in Toney, Alabama. This is a free public event with live rocket launches. Please be weather aware. Lawn chairs are recommended. Pets are not permitted.
Back-up Launch Day: Sunday, May 4, 2025, is reserved as a back-up launch day in case of inclement weather. If needed, the event will run from 8:30 a.m. to 2:30 p.m. (or until last rocket launches) at Bragg Farms.
About the Competition
Student Launch provides relevant, cost-effective research and development of rocket propulsion systems and reflects the goals of NASA’s Artemis Program, which will establish the first long-term presence on the Moon and pave the way for eventual Mars missions.
Each year, the payload component changes to reflect current NASA missions. As Student Launch celebrates its 25th anniversary, the payload challenge will include “reports” from STEMnauts, non-living objects representing astronauts. The STEMnaut “crew” must relay real-time data to the student team’s mission control, just as the Artemis astronaut crew will do as they explore the lunar surface.
Eligible teams compete for prizes and awards and are scored in nearly a dozen categories including safety, vehicle design, social media presence, and science, technology, engineering, and math (STEM) engagement.
Marshall’s Office of STEM Engagement hosts Student Launch to encourage students to pursue careers in STEM through real-world experiences. Student Launch is a part of the agency’s Artemis Student Challenges– a variety of activities exposing students to the knowledge and technology required to achieve the goals of the Artemis missions.
In addition to the NASA Office of STEM Engagement’s Next Gen STEM project, NASA Space Operations Mission Directorate, Northrup Grumman, National Space Club Huntsville, American Institute of Aeronautics and Astronautics, National Association of Rocketry, Relativity Space and Bastion Technologies provide funding and leadership for the competition.
For more information about Student Launch, please visit:
https://www.nasa.gov/learning-resources/nasa-student-launch/
Taylor Goodwin
NASA’s Marshall Space Flight Center, Huntsville, Alabama
256-544-0034
taylor.goodwin@nasa.gov
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Last Updated Apr 29, 2025 EditorBeth RidgewayLocationMarshall Space Flight Center Related Terms
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By NASA
NASA’s Nancy Grace Roman Space Telescope team shared Thursday the designs for the three core surveys the mission will conduct after launch. These observation programs are designed to investigate some of the most profound mysteries in astrophysics while enabling expansive cosmic exploration that will revolutionize our understanding of the universe.
“Roman’s setting out to do wide, deep surveys of the universe in a way that will help us answer questions about how dark energy and dark matter govern cosmic evolution, and the demographics of worlds beyond our solar system,” said Gail Zasowski, an associate professor at the University of Utah and co-chair of the ROTAC (Roman Observations Time Allocation Committee). “But the overarching goal is that the surveys have broad appeal and numerous science applications. They were designed by and for the astronomical community to maximize the science they’ll enable.”
NASA’s Nancy Grace Roman Space Telescope’s three main observing programs, highlighted in this infographic, can enable astronomers to view the universe as never before, revealing billions of cosmic objects strewn across enormous swaths of space-time.Credit: NASA’s Goddard Space Flight Center Roman’s crisp, panoramic view of space and fast survey speeds provide the opportunity for astronomers to study the universe as never before. The Roman team asked the science community to detail the topics they’d like to study through each of Roman’s surveys and selected committees of scientists across many organizations to evaluate the range of possibilities and formulate three compelling options for each.
In April, the Roman team received the recommendations and has now determined the survey designs. These observations account for no more than 75 percent of Roman’s surveys during its five-year primary mission, with the remainder allocated to additional observations that will be proposed and developed by the science community in later opportunities.
“These survey designs are the culmination of two years of input from more than 1,000 scientists from over 350 institutions across the globe,” said Julie McEnery, Roman’s senior project scientist at NASA Goddard. “We’re thrilled that we’ve been able to hear from so many of the people who’ll use the data after launch to investigate everything from objects in our outer solar system, planets across our galaxy, dark matter and dark energy, to exploding stars, growing black holes, galaxies by the billions, and so much more.”
With all major hardware now delivered, Roman has entered its final phase of preparation for launch, undergoing integration and key environmental testing at NASA Goddard. Roman is targeted to launch by May 2027, with the team working toward a potential launch window that opens in October 2026.
This infographic describes the High-Latitude Wide-Area Survey that will be conducted by NASA’s Nancy Grace Roman Space Telescope. This observation program has three components, covering more than 5,000 square degrees (about 12 percent of the sky) altogether in just under a year and a half. The main part covers about 2,500 square degrees, doing both spectroscopy (splitting light into individual colors to study patterns that reveal detailed information) and imaging in multiple filters (which allow astronomers to select specific wavelengths of light) to provide the rich dataset needed for precise studies of our universe. A wider component spans more than twice the area using a single filter, specifically covering a large area that can be viewed by ground-based telescopes located in both the northern and southern hemispheres. The final component focuses on a smaller region to provide a deeper view that will help astronomers study faint, distant galaxies.Credit: NASA’s Goddard Space Flight Center High-Latitude Wide-Area Survey
Roman’s largest survey, the High-Latitude Wide-Area Survey, combines the powers of imaging and spectroscopy to unveil more than a billion galaxies strewn across a wide swath of cosmic time. Roman can look far from the dusty plane of our Milky Way galaxy (that’s what the “high-latitude” part of the survey name means), looking up and out of the galaxy rather than through it to get the clearest view of the distant cosmos.
The distribution and shapes of galaxies in Roman’s enormous, deep images can help us understand the nature of dark energy — a pressure that seems to be speeding up the universe’s expansion — and how invisible dark matter, which Roman will detect by its gravitational effects, influences the evolution of structure in our universe.
For the last two years, researchers have been discussing ways to expand the range of scientific topics that can be studied using the same dataset. That includes studying galaxy evolution, star formation, cosmic voids, the matter between galaxies, and much more.
This infographic describes the High-Latitude Time-Domain Survey that will be conducted by NASA’s Nancy Grace Roman Space Telescope. The survey’s main component covers over 18 square degrees — a region of sky as large as 90 full moons — and sees supernovae that occurred up to about 8 billion years ago. Smaller areas within the survey can pierce even farther, potentially back to when the universe was around a billion years old. The survey is split between the northern and southern hemispheres, located in regions of the sky that will be continuously visible to Roman. The bulk of the survey consists of 30-hour observations every five days for two years in the middle of Roman’s five-year primary mission.Credit: NASA’s Goddard Space Flight Center High-Latitude Time-Domain Survey
Roman’s High-Latitude Time-Domain Survey can probe our dynamic universe by observing the same region of the cosmos repeatedly. Stitching these observations together to create movies can allow scientists to study how celestial objects and phenomena change over time periods of days to years.
This survey can probe dark energy by finding and studying many thousands of a special type of exploding star called type Ia supernovae. These stellar cataclysms allow scientists to measure cosmic distances and trace the universe’s expansion.
“Staring at a large volume of the sky for so long will also reveal black holes being born as neutron stars merge, and tidal disruption events –– flares released by stars falling into black holes,” said Saurabh Jha, a professor at Rutgers University in New Brunswick, New Jersey, and ROTAC co-chair. “It will also allow astronomers to explore variable objects, like active galaxies and binary systems. And it enables more open-ended cosmic exploration than most other space telescopes can do, offering a chance to answer questions we haven’t yet thought to ask.”
This infographic describes the Galactic Bulge Time-Domain Survey that will be conducted by NASA’s Nancy Grace Roman Space Telescope. The smallest of Roman’s core surveys, this observation program consists of repeat visits to six fields covering 1.7 square degrees total. One field pierces the very center of the galaxy, and the others are nearby — all in a region of the sky that will be visible to Roman for two 72-day stretches each spring and fall. The survey mainly consists of six seasons (three early on, and three toward the end of Roman’s primary mission), during which Roman views each field every 12 minutes. Roman also views the six fields with less intensity at other times throughout the mission, allowing astronomers to detect microlensing events that can last for years, signaling the presence of isolated, stellar-mass black holes.Credit: NASA’s Goddard Space Flight Center Galactic Bulge Time-Domain Survey
Unlike the high-latitude surveys, Roman’s Galactic Bulge Time-Domain Survey will look inward to provide one of the deepest views ever of the heart of our Milky Way galaxy. Roman’s crisp resolution and infrared view can allow astronomers to watch hundreds of millions of stars in search of microlensing signals — gravitational boosts of a background star’s light that occur when an intervening object passes nearly in front of it. While astronomers have mainly discovered star-hugging worlds, Roman’s microlensing observations can find planets in the habitable zone of their star and farther out, including analogs of every planet in our solar system except Mercury.
The same set of observations can reveal “rogue” planets that drift through the galaxy unbound to any star, brown dwarfs (“failed stars” too lightweight to power themselves by fusion the way stars do), and stellar corpses like neutron stars and white dwarfs. And scientists could discover 100,000 new worlds by seeing stars periodically get dimmer as an orbiting planet passes in front of them, events called transits. Scientists can also study the stars themselves, detecting “starquakes” on a million giant stars, the result of sound waves reverberating through their interiors that can reveal information about their structures, ages, and other properties.
Data from all of Roman’s surveys will be made public as soon as it is processed, with no periods of exclusive access.
“Roman’s unprecedented data will offer practically limitless opportunities for astronomers to explore all kinds of cosmic topics,” McEnery said. “We stand to learn a tremendous amount of new information about the universe very rapidly after the mission launches.”
Download high-resolution video and images from NASA’s Scientific Visualization Studio
By Ashley Balzer
NASA’s Goddard Space Flight Center, Greenbelt, Md.
Media contact:
Claire Andreoli
NASA’s Goddard Space Flight Center, Greenbelt, Md.
301-286-1940
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Last Updated Apr 24, 2025 EditorAshley BalzerContactAshley Balzerashley.m.balzer@nasa.govLocationNASA Goddard Space Flight Center Related Terms
Nancy Grace Roman Space Telescope Black Holes Dark Energy Dark Matter Earth-like Exoplanets Exoplanets Galaxies Gas Giant Exoplanets Neptune-Like Exoplanets Neutron Stars Stars Stellar-mass Black Holes Super-Earth Exoplanets Supernovae Terrestrial Exoplanets The Milky Way The Solar System The Universe Explore More
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By NASA
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA’s Curiosity rover appears as a dark speck in this contrast-enhanced view captured on Feb. 28, 2025, by the HiRISE camera aboard NASA’s Mars Reconnaissance Orbiter. Trailing Curiosity are the rover’s tracks, which can linger on the Martian surface for months before being erased by the wind. NASA/JPL-Caltech/University of Arizona The image marks what may be the first time one of the agency’s Mars orbiters has captured the rover driving.
NASA’s Curiosity Mars rover has never been camera shy, having been seen in selfies and images taken from space. But on Feb. 28 — the 4,466th Martian day, or sol, of the mission — Curiosity was captured in what is believed to be the first orbital image of the rover mid-drive across the Red Planet.
Taken by the HiRISE (High-Resolution Imaging Science Experiment) camera aboard NASA’s Mars Reconnaissance Orbiter, the image shows Curiosity as a dark speck at the front of a long trail of rover tracks. Likely to last for months before being erased by wind, the tracks span about 1,050 feet (320 meters). They represent roughly 11 drives starting on Feb. 2 as Curiosity trucked along at a top speed of 0.1 mph (0.16 kph) from Gediz Vallis channel on the journey to its next science stop: a region with potential boxwork formations, possibly made by groundwater billions of years ago.
How quickly the rover reaches the area depends on a number of factors, including how its software navigates the surface and how challenging the terrain is to climb. Engineers at NASA’s Jet Propulsion Laboratory in Southern California, which leads Curiosity’s mission, work with scientists to plan each day’s trek.
“By comparing the time HiRISE took the image to the rover’s commands for the day, we can see it was nearly done with a 69-foot drive,” said Doug Ellison, Curiosity’s planning team chief at JPL.
Designed to ensure the best spatial resolution, HiRISE takes an image with the majority of the scene in black and white and a strip of color down the middle. While the camera has captured Curiosity in color before, this time the rover happened to fall within the black-and-white part of the image.
In the new image, Curiosity’s tracks lead to the base of a steep slope. The rover has since ascended that slope since then, and it is expected to reach its new science location within a month or so.
More About Curiosity and MRO
NASA’s Curiosity Mars rover was built at JPL, which is managed for the agency by Caltech in Pasadena, California. JPL manages both the Curiosity and Mars Reconnaissance Orbiter missions on behalf of NASA’s Science Mission Directorate in Washington as part of the agency’s Mars Exploration Program portfolio. The University of Arizona, in Tucson, operates HiRISE, which was built by BAE Systems in Boulder, Colorado.
For more about the missions, visit:
science.nasa.gov/mission/msl-curiosity
science.nasa.gov/mission/mars-reconnaissance-orbiter
News Media Contacts
Andrew Good
Jet Propulsion Laboratory, Pasadena, Calif.
818-393-2433
andrew.c.good@jpl.nasa.gov
Karen Fox / Molly Wasser
NASA Headquarters, Washington
202-358-1600
karen.c.fox@nasa.gov / molly.l.wasser@nasa.gov
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Last Updated Apr 24, 2025 Related Terms
Mars Science Laboratory (MSL) Curiosity (Rover) Mars Mars Reconnaissance Orbiter (MRO) Explore More
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