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Flight control, space weather and debris: What an astronaut needs to know
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By NASA
From left to right, NASA’s Carruthers Geocorona Observatory, IMAP (Interstellar Mapping and Acceleration Probe), and the National Oceanic and Atmospheric Administration’s (NOAA) Space Weather Follow On-Lagrange 1 (SWFO-L1) missions will map our Sun’s influence across the solar system in new ways. Credit: NASA NASA will provide live coverage of prelaunch and launch activities for an observatory designed to study space weather and explore and map the boundaries of our solar neighborhood.
Launching with IMAP (Interstellar Mapping and Acceleration Probe) are two rideshare missions, NASA’s Carruthers Geocorona Observatory and the National Oceanic and Atmospheric Administration’s (NOAA) Space Weather Follow On-Lagrange 1 (SWFO-L1), both of which will provide insight into space weather and its impacts at Earth and across the solar system.
Liftoff of the missions on a SpaceX Falcon 9 rocket is targeted for 7:32 a.m. EDT, Tuesday, Sept. 23, from Launch Complex 39A at NASA’s Kennedy Space Center in Florida. Watch coverage beginning at 6:40 a.m. on NASA+, Amazon Prime, and more. Learn how to watch NASA content through a variety of platforms, including social media.
The IMAP spacecraft will study how the Sun’s energy and particles interact with the heliosphere — an enormous protective bubble of space around our solar system — to enhance our understanding of space weather, cosmic radiation, and their impacts on Earth and human and robotic space explorers. The spacecraft and its two rideshares will orbit approximately one million miles from Earth, positioned toward the Sun at a location known as Lagrange Point 1.
NASA’s Carruthers Geocorona Observatory is a small satellite that will observe Earth’s outermost atmospheric layer, the exosphere. It will image the faint glow of ultraviolet light from this region, called the geocorona, to better understand how space weather impacts our planet. The Carruthers mission continues the legacy of the Apollo era, expanding on measurements first taken during Apollo 16.
The SWFO-L1 spacecraft will monitor space weather and detect solar storms in advance, serving as an early warning beacon for potentially disruptive space weather, helping safeguard Earth’s critical infrastructure and technological-dependent industries. The SWFO-L1 spacecraft is the first NOAA observatory designed specifically for and fully dedicated to continuous, operational space weather observations.
Media accreditation for in-person coverage of this launch has passed. NASA’s media credentialing policy is available online. For questions about media accreditation, please email: ksc-media-accreditat@mail.nasa.gov.
NASA’s mission coverage is as follows (all times Eastern and subject to change based on real-time operations):
Sunday, Sept. 21
2:30 p.m. – NASA Prelaunch News Conference on New Space Weather Missions
Nicky Fox, associate administrator, Science Mission Directorate, NASA Headquarters in Washington Brad Williams, IMAP program executive, NASA Headquarters Irene Parker, deputy assistant administrator for Systems at NOAA’s National Environmental Satellite, Data, and Information Service Denton Gibson, launch director, NASA’s Launch Services Program, NASA Kennedy Julianna Scheiman, director, NASA Science Missions, SpaceX Arlena Moses, launch weather officer, 45th Weather Squadron, U.S. Space Force Watch the briefing on the agency’s website or NASA’s YouTube channel.
Media may ask questions in person or via phone. Limited auditorium space will be available for in-person participation for previously credentialed media. For the dial-in number and passcode, media should contact the NASA Kennedy newsroom no later than one hour before the start of the event at ksc-newsroom@mail.nasa.gov.
3:45 p.m. – NASA, NOAA Science News Conference on New Space Weather Missions
Joe Westlake, director, Heliophysics Division, NASA Headquarters David McComas, IMAP principal investigator, Princeton University Lara Waldrop, Carruthers Geocorona Observatory principal investigator, University of Illinois Urbana-Champaign Jamie Favors, director, Space Weather Program, Heliophysics Division, NASA Headquarters Clinton Wallace, director, NOAA Space Weather Prediction Center James Spann, senior scientist, NOAA Office of Space Weather Observations Watch the briefing on the agency’s website or NASA’s YouTube channel.
Media may ask questions in person and via phone. Limited auditorium space will be available for in-person participation. For the dial-in number and passcode, media should contact the NASA Kennedy newsroom no later than one hour before the start of the event at ksc-newsroom@mail.nasa.gov. Members of the public may ask questions on social media using the hashtag #AskNASA.
Monday, Sept. 22
11:30 a.m. – In-person media one-on-one interviews with the following:
Nicky Fox, associate administrator, Science Mission Directorate, NASA Headquarters Kieran Hegarty, IMAP project manager, Johns Hopkins University Applied Physics Lab Jamie Rankin, IMAP instrument lead for Solar Wind and Pickup Ion, Princeton University John Clarke, Carruthers deputy principal investigator, Boston University Dimitrios Vassiliadis, SWFO-L1 program scientist, NOAA Brent Gordon, deputy director, NOAA Space Weather Prediction Center Remote media may request a one-on-one video interview online by 3 p.m. on Thursday, Sept. 18.
Tuesday, Sept. 23
6:40 a.m. – Launch coverage begins on NASA+, Amazon Prime and more. NASA’s Spanish launch coverage begins on NASA+, and the agency’s Spanish-language YouTube channel.
7:32 a.m. – Launch
Audio-Only Coverage
Audio-only of the launch coverage will be carried on the NASA “V” circuits, which may be accessed by dialing 321-867-1220, or -1240. On launch day, “mission audio,” countdown activities without NASA+ media launch commentary, will be carried on 321-867-7135.
NASA Website Launch Coverage
Launch day coverage of the mission will be available on the agency’s website. Coverage will include links to live streaming and blog updates beginning no earlier than 6 a.m., Sept. 23, as the countdown milestones occur. Streaming video and photos of the launch will be accessible on demand shortly after liftoff. Follow countdown coverage on the IMAP blog.
For questions about countdown coverage, contact the NASA Kennedy newsroom at 321-867-2468.
Para obtener información sobre cobertura en español en el Centro Espacial Kennedy o si desea solicitar entrevistas en español, comuníquese con María-José Viñas: maria-jose.vinasgarcia@nasa.gov.
Attend Launch Virtually
Members of the public can register to attend this launch virtually. NASA’s virtual guest program for this mission also includes curated launch resources, notifications about related opportunities or changes, and a stamp for the NASA virtual guest passport following launch.
Watch, Engage on Social Media
Let people know you’re watching the mission on X, Facebook, and Instagram by following and tagging these accounts:
X: @NASA, @NASAKennedy, @NASASolarSystem, @NOAASatellies
Facebook: NASA, NASA Kennedy, NASA Solar System, NOAA Satellites
Instagram: @NASA, @NASAKennedy, @NASASolarSystem, @NOAASatellites
For more information about these missions, visit:
https://www.nasa.gov/sun
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Abbey Interrante
Headquarters, Washington
301-201-0124
abbey.a.interrante@nasa.gov
Sarah Frazier
Goddard Space Flight Center, Greenbelt, Md.
202-853-7191
sarah.frazier@nasa.gov
Leejay Lockhart
Kennedy Space Center, Fla.
321-747-8310
leejay.lockhart@nasa.gov
John Jones-Bateman
NOAA’s Satellite and Information Service, Silver Spring, Md.
202-242-0929
john.jones-bateman@noaa.gov
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Last Updated Sep 15, 2025 EditorJessica TaveauLocationNASA Headquarters Related Terms
Heliophysics Division Carruthers Geocorona Observatory (GLIDE) Goddard Space Flight Center Heliophysics IMAP (Interstellar Mapping and Acceleration Probe) Kennedy Space Center Science Mission Directorate View the full article
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By NASA
5 min read
Avatars for Astronaut Health to Fly on NASA’s Artemis II
An organ chip for conducting bone marrow experiments in space. Emulate NASA announced a trailblazing experiment that aims to take personalized medicine to new heights. The experiment is part of a strategic plan to gather valuable scientific data during the Artemis II mission, enabling NASA to “know before we go” back to the lunar surface and on to Mars.
The AVATAR (A Virtual Astronaut Tissue Analog Response) investigation will use organ-on-a-chip devices, or organ chips, to study the effects of deep space radiation and microgravity on human health. The chips will contain cells from Artemis II astronauts and fly side-by-side with crew on their approximately 10-day journey around the Moon. This research, combined with other studies on the health and performance of Artemis II astronauts, will give NASA insight into how to best protect astronauts as exploration expands to the surface of the Moon, Mars, and beyond.
AVATAR is NASA’s visionary tissue chip experiment that will revolutionize the very way we will do science, medicine, and human multi-planetary exploration.”
Nicky Fox
Associate Administrator, NASA Science Mission Directorate
“AVATAR is NASA’s visionary tissue chip experiment that will revolutionize the very way we will do science, medicine, and human multi-planetary exploration,” said Nicky Fox, associate administrator, Science Mission Directorate at NASA Headquarters in Washington. “Each tissue chip is a tiny sample uniquely created so that we can examine how the effects of deep space act on each human explorer before we go to ensure we pack the appropriate medical supplies tailored to each individual’s needs as we travel back to the Moon, and onward to Mars.”
The investigation is a collaboration between NASA, government agencies, and industry partners, leveraging commercial expertise to gain a deeper understanding of human biology and disease. This research could accelerate innovations in personalized healthcare, both for astronauts in space and patients on Earth.
Organ-on-a-chip: mimic for human health
Organ chips, also referred to as tissue chips or microphysiological systems, are roughly the size of a USB thumb drive and used to help understand — and then predict — how an individual might respond to a variety of stressors, such as radiation or medical treatments, including pharmaceuticals. Essentially, these small devices serve as “avatars” for human organs.
Organ chips contain living human cells that are grown to model the structures and functions of specific regions in human organs, such as the brain, lungs, heart, pancreas, and liver — they can beat like a heart, breathe like a lung, or metabolize like a liver. Tissue chips can be linked together to mimic how organs interact with each other, which is important for understanding how the whole human body responds to stressors or treatments.
Researchers and oncologists use human tissue chips today to understand how a specific patient’s cancer might react to different drugs or radiation treatments. To date, a standard milestone for organs-on-chips has been to keep human cells healthy for 30 days. However, NASA and other research institutions are pushing these boundaries by increasing the longevity of organ chips to a minimum of six months so that scientists can observe diseases and drug therapies over a longer period.
Bone marrow as bellwether
The Artemis II mission will use organ chips created using blood-forming stem and progenitor cells, which originate in the bone marrow, from Artemis II crew members.
Bone marrow is among the organs most sensitive to radiation exposure and, therefore, of central importance to human spaceflight. It also plays a vital role in the immune system, as it is the origin of all adult red and white blood cells, which is why researchers aim to understand how deep space radiation affects this organ.
Studies have shown that microgravity affects the development of bone marrow cells. Although the International Space Station operates in low Earth orbit, which is shielded from most cosmic and solar radiation by the Earth’s magnetosphere, astronauts often experience a loss of bone density. Given that Artemis II crew will be flying beyond this protective layer, AVATAR researchers also seek to understand how the combined stressors of deep space radiation and microgravity affect the developing cells.
To make the bone marrow organ chips, Artemis II astronauts will first donate platelets to a local healthcare system. The cells remaining from their samples will contain a small percentage of bone marrow-derived stem and progenitor cells. NASA-funded scientists at Emulate, Inc., which developed the organ chip technology used in AVATAR, will purify these cells with magnetic beads that bind specifically to them. The purified cells will then be placed in the bone marrow chips next to blood vessel cells and other supporting cells to model the structure and function of the bone marrow.
Investigating how radiation affects the bone marrow can provide insights into how radiation therapy and other DNA-damaging agents, such as chemotherapeutic drugs, impair blood cell formation. Its significance for both spaceflight and medicine on Earth makes the bone marrow an ideal organ to study in the Artemis II AVATAR project.
Passenger for research
“For NASA, organ chips could provide vital data for protecting astronaut health on deep space missions,” said Lisa Carnell, director of NASA’s Biological and Physical Sciences division at NASA Headquarters. “As we go farther and stay longer in space, crew will have only limited access to on-site clinical healthcare. Therefore, it’ll be critical to understand if there are unique and specific healthcare needs of each astronaut, so that we can send the right supplies with them on future missions.”
During the Artemis II mission, the organ chips will be secured in a custom payload developed by Space Tango and mounted inside the capsule during the mission. The battery-powered payload will maintain automated environmental control and media delivery to the organ chips throughout the flight.
For NASA, organ chips could provide vital data for protecting astronaut health on deep space missions.”
Lisa Carnell
Director of NASA’s Biological and Physical Sciences Division
Upon return, researchers at Emulate will examine how spaceflight affected the bone marrow chips by performing single-cell RNA sequencing, a powerful technique that measures how thousands of genes change within individual cells. The scientists will compare data from the flight samples to measurements of crew cells used in a ground-based immunology study happening simultaneously. This will provide the most detailed look at the impact of spaceflight and deep space radiation on developing blood cells to date.
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Biological & Physical Sciences Division (BPS)
NASA’s Biological and Physical Sciences Division pioneers scientific discovery and enables exploration by using space environments to conduct investigations not possible on Earth. Studying biological and physical phenomenon under extreme conditions allows researchers to advance the fundamental scientific knowledge required to go farther and stay longer in space, while also benefitting life on Earth.
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By Amazing Space
Live Video from the International Space Station (Seen From The NASA ISS Live Stream)
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By NASA
5 Min Read NASA’s X-59 Moves Toward First Flight at Speed of Safety
NASA’s X-59 quiet supersonic research aircraft is seen at dawn with firetrucks and safety personnel nearby during a hydrazine safety check at U.S. Air Force Plant 42 in Palmdale, California, on Aug. 18, 2025. The operation highlights the extensive precautions built into the aircraft’s safety procedures for a system that serves as a critical safeguard, ensuring the engine can be restarted in flight as the X-59 prepares for its first flight. Credits: Lockheed Martin As NASA’s one-of-a-kind X-59 quiet supersonic research aircraft approaches first flight, its team is mapping every step from taxi and takeoff to cruising and landing – and their decision-making is guided by safety.
First flight will be a lower-altitude loop at about 240 mph to check system integration, kicking off a phase of flight testing focused on verifying the aircraft’s airworthiness and safety. During subsequent test flights, the X-59 will go higher and faster, eventually exceeding the speed of sound. The aircraft is designed to fly supersonic while generating a quiet thump rather than a loud sonic boom.
To help ensure that first flight – and every flight after that – will begin and end safely, engineers have layered protection into the aircraft.
The X-59’s Flight Test Instrumentation System (FTIS) serves as one of its primary record keepers, collecting and transmitting audio, video, data from onboard sensors, and avionics information – all of which NASA will track across the life of the aircraft.
“We record 60 different streams of data with over 20,000 parameters on board,” said Shedrick Bessent, NASA X-59 instrumentation engineer. “Before we even take off, it’s reassuring to know the system has already seen more than 200 days of work.”
Through ground tests and system evaluations, the system has already generated more than 8,000 files over 237 days of recording. That record provides a detailed history that helps engineers verify the aircraft’s readiness for flight.
Maintainers perform a hydrazine safety check on the agency’s quiet supersonic X-59 aircraft at U.S. Air Force Plant 42 in Palmdale, California, on Aug. 18, 2025. Hydrazine is a highly toxic chemical, but it serves as a critical backup to restart the engine in flight, if necessary, and is one of several safety features being validated ahead of the aircraft’s first flight.Credits: Lockheed Martin “There’s just so much new technology on this aircraft, and if a system like FTIS can offer a bit of relief by showing us what’s working – with reliability and consistency – that reduces stress and uncertainty,” Bessent said. “I think that helps the project just as much as it helps our team.”
The aircraft also uses a digital fly-by-wire system that will keep the aircraft stable and limit unsafe maneuvers. First developed in the 1970s at NASA’s Armstrong Flight Research Center in Edwards, California, digital fly-by-wire replaced how aircraft were flown, moving away from traditional cables and pulleys to computerized flight controls and actuators.
On the X-59, the pilot’s inputs – such as movement of the stick or throttle – are translated into electronic signals and decoded by a computer. Those signals are then sent through fiber-optic wires to the aircraft’s surfaces, like its wings and tail.
Additionally, the aircraft uses multiple computers that back each other up and keep the system operating. If one fails, another takes over. The same goes for electrical and hydraulic systems, which also have independent backup systems to ensure the aircraft can fly safely.
Onboard batteries back up the X-59’s hydraulic and electrical systems, with thermal batteries driving the electric pump that powers hydraulics. Backing up the engine is an emergency restart system that uses hydrazine, a highly reactive liquid fuel. In the unlikely event of a loss of power, the hydrazine system would restart the engine in flight. The system would help restore power so the pilot could stabilize or recover the aircraft.
Maintainers perform a hydrazine safety check on NASA’s quiet supersonic X-59 aircraft at U.S. Air Force Plant 42 in Palmdale, California, on Aug. 18, 2025. Hydrazine is a highly toxic chemical, but it serves as a critical backup to restart the engine in flight, if necessary, which is one of several safety features being validated ahead of the aircraft’s first flight. Credits: Lockheed Martin Protective Measures
Behind each of these systems is a team of engineers, technicians, safety and quality assurance experts, and others. The team includes a crew chief responsible for maintenance on the aircraft and ensuring the aircraft is ready for flight.
“I try to always walk up and shake the crew chief’s hand,” said Nils Larson, NASA X-59 lead test pilot. “Because it’s not your airplane – it’s the crew chief’s airplane – and they’re trusting you with it. You’re just borrowing it for an hour or two, then bringing it back and handing it over.”
Larson, set to serve as pilot for first flight, may only be borrowing the aircraft from the X-59’s crew chiefs – Matt Arnold from X-59 contractor Lockheed Martin and Juan Salazar from NASA – but plenty of the aircraft’s safety systems were designed specifically to protect the pilot in flight.
The X-59’s life support system is designed to deliver oxygen through the pilot’s mask to compensate for the decreased atmospheric pressure at the aircraft’s cruising altitude of 55,000 feet – altitudes more than twice as high as that of a typical airliner. In order to withstand high-altitude flight, Larson will also wear a counter-pressure garment, or g-suit, similar to what fighter pilots wear.
In the unlikely event it’s needed, the X-59 also features an ejection seat and canopy adapted from a U.S. Air Force T-38 trainer, which comes equipped with essentials like a first aid kit, radio, and water. Due to the design, build, and test rigor put into the X-59, the ejection seat is a safety measure.
All these systems form a network of safety, adding confidence to the pilot and engineers as they approach to the next milestone – first flight.
“There’s a lot of trust that goes into flying something new,” Larson said. “You’re trusting the engineers, the maintainers, the designers – everyone who has touched the aircraft. And if I’m not comfortable, I’m not getting in. But if they trust the aircraft, and they trust me in it, then I’m all in.”
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Last Updated Sep 12, 2025 EditorDede DiniusContactNicolas Cholulanicolas.h.cholula@nasa.govLocationArmstrong Flight Research Center Related Terms
Armstrong Flight Research Center Advanced Air Vehicles Program Aeronautics Aeronautics Research Mission Directorate Ames Research Center Glenn Research Center Langley Research Center Low Boom Flight Demonstrator Quesst (X-59) Supersonic Flight Explore More
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By European Space Agency
Image: Group photo taken at the General Assembly on Defence, Space and Cybersecurity, held on Friday 12 September 2025, at ESRIN, ESA’s Centre for Earth Observation Programmes in Italy.
The event was organised by the European Parliament and the European Commission, in collaboration with the European Space Agency, to promote dialogue between European and national decision-makers and industry leaders. Representatives from major European entities debated the future of the European Union, which is facing unprecedented challenges since the postwar period, in an increasingly complex geopolitical context. Participants examined Europe’s needs in key sectors such as space, cybersecurity, and defence, within the broader context of the Atlantic Alliance. Acting at the European level, as demonstrated by projects like Galileo, EGNOS, and Copernicus, not only brings extraordinary added value in terms of innovation, industrial competitiveness, economies of scale, and spending efficiency, but also strengthens Europe’s strategic autonomy, the security of its citizens, and the protection of its critical infrastructure.
The group included experts from major European entities, including: Andrius Kubilius, European Commissioner for Defence and Space; Adolfo Urso, Italian Minister of Enterprises and Made in Italy; Matteo Piantedosi, Italian Minister of the Interior; Gen. B. Luigi Vinciguerra, Brigade General of the Guardia di Finanza – Head of the III Operations Department, General Command; Josef Aschbacher, Director General of the European Space Agency; Simonetta Cheli, Director of Earth Observation Programmes and Head of ESRIN; Carlo Corazza, Head of the European Parliament Office in Italy; Ammiraglio Giuseppe Cavo Dragone, Chairman of the NATO Military Committee; Teodoro Valente, President of the Italian Space Agency (ASI); Hans de Vries, Chief Cybersecurity and Operations Officer (COO) - ENISA; Fabio di Stefano, Communications at the European Parliament in Italy.
Watch here a replay of ESA Director General's intervention and find the transcript of his speech.
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