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By NASA
3 Min Read NASA’s IMAP Arrives at NASA Marshall For Testing in XRCF
On March 18, NASA’s IMAP (Interstellar Mapping and Acceleration Probe) arrived at NASA’s Marshall Space Flight Center in Huntsville, Alabama, for thermal vacuum testing at the X-ray and Cryogenic Facility, which simulates the harsh conditions of space.
The IMAP mission is a modern-day celestial cartographer that will map the solar system by studying the heliosphere, a giant bubble created by the Sun’s solar wind that surrounds our solar system and protects it from harmful interstellar radiation.
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NASA’s IMAP mission being loaded into the thermal vacuum chamber of NASA Marshall Space Flight Center’s X-Ray and Cryogenic Facility (XRCF) in Huntsville, Alabama. IMAP arrived at Marshall March 18 and was loaded into the chamber March 19.Credit: NASA/Johns Hopkins APL/Princeton/Ed Whitman Testing performed in the X-ray and Cryogenic Facility will help to assess the spacecraft before its journey toward the Sun. The IMAP mission will orbit the Sun at a location called Lagrange Point 1 (L1), which is about one million miles from Earth towards the Sun. From this location, IMAP can measure the local solar wind and scan the distant heliosphere without background from planets and their magnetic fields. The mission will use its suite of ten instruments to map the boundary of the heliosphere, analyze the composition of interstellar particles that make it through, and investigate how particles change as they move through the solar system.
Furthermore, IMAP will maintain a continuous broadcast of near real-time space weather data from five instruments aboard IMAP that will be used to test new space weather prediction models and improve our understanding of effects impacting our human exploration of space.
Team members from Marshall Space Flight Center in Huntsville, Alabama, install IMAP into the XRCF’s chamber dome before the start of the thermal vacuum test. NASA/Johns Hopkins APL/Princeton/Ed Whitman While inside the Marshall facility, the spacecraft will undergo dramatic temperature changes to simulate the environment during launch, on the journey toward the Sun, and at its final orbiting point. The testing facility has multiple capabilities including a large thermal vacuum chamber which simulates the harsh conditions of space such as extreme temperatures and the near-total absence of an atmosphere. Simulating these conditions before launch allow scientists and engineers to identify successes and potential failures in the design of the spacecraft.
Team members from Marshall Space Flight Center in Huntsville, Alabama work to close the chamber door of the XRCF for IMAP testing. The chamber is 20 feet in diameter and 60 feet long making it one of the largest across NASA. NASA/Johns Hopkins APL/Princeton/Ed Whitman “The X-ray and Cryogenic Facility was an ideal testing location for IMAP given the chamber’s size, availability, and ability to meet or exceed the required test parameters including strict contamination control, shroud temperature, and vacuum level,” said Jeff Kegley, chief of Marshall’s Science Test Branch.
The facility’s main chamber is 20 feet in diameter and 60 feet long, making it the 5th largest thermal vacuum chamber at NASA. It’s the only chamber that is adjoined to an ISO 6 cleanroom — a controlled environment that limits the number and size of airborne particles to minimize contamination.
The IMAP mission will launch on a SpaceX Falcon 9 rocket from NASA’s Kennedy Space Center in Florida, no earlier than September.
NASA’s IMAP mission was loaded into NASA Marshall’s XRCF thermal vacuum chamber where the spacecraft will undergo testing such as dramatic temperature changes to simulate the harsh environment of space. NASA/Johns Hopkins APL/Princeton/Ed Whitman Learn More about IMAP Media Contact:
Lane Figueroa
Marshall Space Flight Center
Huntsville, Alabama
256.544.0034
lane.e.figueroa@nasa.gov
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Last Updated Apr 11, 2025 Related Terms
Marshall Space Flight Center Goddard Space Flight Center Heliophysics Marshall Heliophysics & Planetary Science Marshall Science Research & Projects Marshall X-Ray & Cryogenic Facility The Sun The Sun & Solar Physics Explore More
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By NASA
NASA/Josh Valcarcel From the mountains of Turin to the deserts of Arizona, a core element of Gateway, humanity’s first lunar space station, is now one step closer to the Moon. As seen in this April 1, 2025, photo, HALO (Habitation and Logistics Outpost), Gateway’s first pressurized module and one of its foundational elements, recently arrived in Gilbert, Arizona, following its fabrication by Thales Alenia Space in Turin, Italy. Now on U.S. soil, the module will undergo final outfitting by primary contractor Northrop Grumman before it’s integrated with the Power and Propulsion Element at NASA’s Kennedy Space Center. Together, the two modules will launch to lunar orbit aboard a SpaceX Falcon Heavy rocket ahead of the Artemis IV mission.
HALO will support astronauts visiting Gateway and function as a command and control hub for the space station. It will feature docking ports for spacecraft such as NASA’s Orion, logistics vehicles and lunar landers, and provide data handling, energy storage, power distribution, thermal regulation, and communications and tracking capabilities.
HALO’s arrival marks a major milestone in the construction of Gateway, a cornerstone of NASA’s Artemis campaign to advance science and exploration on and around the Moon in preparation for the next giant leap: the first human missions to Mars.
Image credit: NASA/Josh Valcarcel
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By NASA
From left to right, NASA Marshall engineers Carlos Diaz and John Luke Bili, U.S. Naval Research Laboratory mechanical engineer contractor Eloise Stump, and Marshall engineers Tomasz Liz, David Banks, and Elise Doan observe StarBurst in the cleanroom environment before it’s unboxed from its shipping container. The cleanroom environment at Marshall is designed to minimize contamination and protect the observatory’s sensitive instruments. Image Credit: NASA /Daniel Kocevski StarBurst, a wide-field gamma ray observatory, arrived at NASA’s Marshall Space Flight Center in Huntsville, Alabama, March 4 for environmental testing and final instrument integration. The instrument is designed to detect the initial emission of short gamma-ray bursts, a key electromagnetic indicator of neutron star mergers.
“Gamma-ray bursts are among the most powerful explosions in the universe, and they serve as cosmic beacons that help us understand extreme physics, including black hole formation and the behavior of matter under extreme conditions,” said Dr. Daniel Kocevski, principal investigator of the StarBurst mission at NASA Marshall.
According to Kocevski, neutron star mergers are particularly exciting because they produce gamma-ray bursts and gravitational waves, meaning scientists can study these events using two different signals – light and ripples in space time.
Starburst Principal Investigator Dr. Daniel Kocevski, left, and Integration and Test Engineer Elise Doan, right, pose with the StarBurst instrument after it was unboxed in the cleanroom environment at NASA Marshall. The Naval Research Lab transferred the instrument to NASA in early March.Image Credit: NASA/Davy Haynes The merging of neutron stars forges heavy elements such as gold and platinum, revealing the origins of some of Earth’s building blocks.
“By studying these gamma-ray bursts and the neutron star mergers that produce them, we gain insights into fundamental physics, the origins of elements, and even the expansion of the universe,” Kocevski said. “Neutron star mergers and gamma-ray bursts are nature’s laboratories for testing our understanding of the cosmos.”
StarBurst will undergo flight vibration and thermal vacuum testing at Marshall in the Sunspot Thermal Vacuum Testing Facility. These tests ensure it can survive the rigors of launch and harsh environment of space.
Final instrument integration will happen in the Stray Light Facility, which is a specialized environment to help identify and reduce unwanted light in certain areas of the optical systems.
The StarBurst Multimessenger Pioneer is a wide-field gamma-ray observatory designed to detect the initial emission of short gamma-ray bursts, important electromagnetic indicators of neutron star mergers. With an effective area over five times that of the Fermi Gamma-ray Burst Monitor and complete visibility of the unobscured sky, StarBurst will conduct sensitive observations. NASA/Daniel Kocevski StarBurst is a collaborative effort led by NASA’s Marshall Space Flight Center, with partnerships with the U.S. Naval Research Laboratory, the University of Alabama Huntsville, the Universities Space Research Association, and the UTIAS Space Flight Laboratory. StarBurst was selected for development as part of the NASA Astrophysics Pioneers program, which supports lower-cost, smaller hardware missions to conduct compelling astrophysics science.
To learn more about StarBurst visit:
https://science.nasa.gov/mission/starburst/
Media Contact:
Lane Figueroa
Marshall Space Flight Center
Huntsville, Alabama
256.544.0034
lane.e.figueroa@nasa.gov
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By NASA
This video sparkles with synthetic supernovae from the OpenUniverse project, which simulates observations from NASA’s upcoming Nancy Grace Roman Space Telescope. More than a million exploding stars flare into visibility and then slowly fade away. The true brightness of each transient event has been magnified by a factor of 10,000 for visibility, and no background light has been added to the simulated images. The pattern of squares shows Roman’s full field of view.Credit: NASA’s Goddard Space Flight Center and M. Troxel The universe is ballooning outward at an ever-faster clip under the power of an unknown force dubbed dark energy. One of the major goals for NASA’s upcoming Nancy Grace Roman Space Telescope is to help astronomers gather clues to the mystery. One team is setting the stage now to help astronomers prepare for this exciting science.
“Roman will scan the cosmos a thousand times faster than NASA’s Hubble Space Telescope can while offering Hubble-like image quality,” said Rebekah Hounsell, an assistant research scientist at the University of Maryland-Baltimore county working at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, and a co-principal investigator of the Supernova Cosmology Project Infrastructure Team preparing for the mission’s High-Latitude Time-Domain Survey. “We’re going to have an overwhelming amount of data, and we want to make it so scientists can use it from day one.”
Roman will repeatedly look at wide, deep regions of the sky in near-infrared light, opening up a whole new view of the universe and revealing all sorts of things going bump in the night. That includes stars being shredded as they pass too close to a black hole, intense emissions from galaxy centers, and a variety of stellar explosions called supernovae.
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This data sonification transforms a vast simulation of a cosmic survey from NASA’s upcoming Nancy Grace Roman Space Telescope into a symphony of stellar explosions. Each supernova’s brightness controls its volume, while its color sets its pitch –– redder, more distant supernovae correspond to deep, low tones while bluer, nearer ones correspond to higher frequencies. The sound in stereo mirrors their locations in the sky. The result sounds like celestial wind chimes, offering a way to “listen” to cosmic fireworks. Credit: NASA’s Goddard Space Flight Center, M. Troxel, SYSTEM Sounds (M. Russo, A. Santaguida) Cosmic Radar Guns
Scientists estimate around half a dozen stars explode somewhere in the observable universe every minute. On average, one of them will be a special variety called type Ia that can help astronomers measure the universe.
These explosions peak at a similar intrinsic brightness, allowing scientists to find their distances simply by measuring how bright they appear.
Scientists can also study the light of these supernovae to find out how quickly they are moving away from us. By comparing how fast they’re receding at different distances, scientists will trace cosmic expansion over time.
Using dozens of type Ia supernovae, scientists discovered that the universe’s expansion is accelerating. Roman will find tens of thousands, including very distant ones, offering more clues about the nature of dark energy and how it may have changed throughout the history of the universe.
“Roman’s near-infrared view will help us peer farther because more distant light is stretched, or reddened, as it travels across expanding space,” said Benjamin Rose, an assistant professor at Baylor University in Waco, Texas, and a co-principal investigator of the infrastructure team. “And opening a bigger window, so to speak, will help us get a better understanding of these objects as a whole,” which would allow scientists to learn more about dark energy. That could include discovering new physics, or figuring out the universe’s fate.
The People’s Telescope
Members of the planning team have been part of the community process to seek input from scientists worldwide on how the survey should be designed and how the analysis pipeline should work. Gathering public input in this way is unusual for a space telescope, but it’s essential for Roman because each large, deep observation will enable a wealth of science in addition to fulfilling the survey’s main goal of probing dark energy.
Rather than requiring that many individual scientists submit proposals to reserve their own slice of space telescope time, Roman’s major surveys will be coordinated openly, and all the data will become public right away.
“Instead of a single team pursuing one science goal, everyone will be able to comb through Roman’s data for a wide variety of purposes,” Rose said. “Everyone will get to play right away.”
This animation shows a possible tiling pattern of part of NASA’s Nancy Grace Roman Space Telescope’s High Latitude Time-Domain Survey. The observing program, which is being designed by a community process, is expected to have two components: wide (covering 18 square degrees, a region of sky as large as about 90 full moons) and deep (covering about 5.5 square degrees, about as large as 25 full moons). This animation shows the deeper portion, which would peer back to when the universe was about 500 million years old, less than 4 percent of its current age of 13.8 billion years.Credit: NASA’s Goddard Space Flight Center This Is a Drill
NASA plans to announce the survey design for Roman’s three core surveys, including the High-Latitude Time-Domain Survey, this spring. Then the planning team will simulate it in its entirety.
“It’s kind of like a recipe,” Hounsell said. “You put in your observing strategy — how many days, which filters — and add in ‘spices’ like uncertainties, calibration effects, and the things we don’t know so well about the instrument or supernovae themselves that would affect our results. We can inject supernovae into the synthetic images and develop the tools we’ll need to analyze and evaluate the data.”
Scientists will continue using the synthetic data even after Roman begins observing, tweaking all aspects of the simulation and correcting unknowns to see which resulting images best match real observations. Scientists can then fine-tune our understanding of the universe’s underlying physics.
“We assume that all supernovae are the same regardless of when they occurred in the history of the universe, but that might not be the case,” Hounsell said. “We’re going to look further back in time than we’ve ever done with type Ia supernovae, and we’re not completely sure if the physics we understand now will hold up.”
There are reasons to suspect they may not. The very first stars were made almost exclusively of hydrogen and helium, compared to stars today which contain several dozen elements. Those ancient stars also lived in very different environments than stars today. Galaxies were growing and merging, and stars were forming at a furious pace before things began calming down between about 8 and 10 billion years ago.
“Roman will very dramatically add to our understanding of this cosmic era,” Rose said. “We’ll learn more about cosmic evolution and dark energy, and thanks to Roman’s large deep view, we’ll get to do much more science too with the same data. Our work will help everyone hit the ground running after Roman launches.”
For more information about the Roman Space Telescope visit www.nasa.gov/roman.
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 and Caltech/IPAC in Southern 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, Greenbelt, Md.
301-286-1940
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Last Updated Mar 11, 2025 EditorAshley BalzerContactAshley Balzerashley.m.balzer@nasa.govLocationGoddard Space Flight Center Related Terms
Nancy Grace Roman Space Telescope Dark Energy Goddard Space Flight Center Stars The Universe View the full article
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By European Space Agency
Marking another step towards new insights into Earth’s forests and their role in the carbon cycle, ESA’s groundbreaking Biomass satellite has arrived at Europe's Spaceport in French Guiana, to be prepared for liftoff on a Vega-C rocket at the end of April.
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