A sweeping collection of astronaut health studies planned for NASA’s Artemis II mission around the Moon will soon provide agency researchers with a glimpse
CSA astronaut Jeremy Hansen, alongside NASA astronauts Victor Glover, Reid Wiseman, and Christina Koch, will launch on the Artemis II mission early next year. The crew will participate in human research studies to provide insights about how the body performs in deep space as part of this mission.
Credit: II mission around the Moon will soon provide agency researchers with a glimpse into how deep space travel influences the human body, mind, and behavior. During an approximately 10-day mission set to launch in 2026, NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, and CSA astronaut Jeremy Hansen will collect and store their saliva, don wrist monitors that track movement and sleep, and offer other essential data for NASA’s“The findings are expected to provide vital insights for future missions to destinations beyond low Earth orbit, including Mars,” said Laurie Abadie, an aerospace engineer for the program at NASA’s Johnson Space Center in Houston, who strategizes about how to carry out studies on Artemis missions. “The lessons we learn from this crew will help us to more safely accomplish deep space missions and research,” she said. One study on the Artemis II mission, titled Immune Biomarkers, will explore how the immune system reacts to spaceflight. Another study, ARCHeR , will evaluate how crew members perform individually and as a team throughout the mission, including how easily they can move around within the confined space of their Orion spacecraft. Astronauts also will collect a standardized set of measurements spanning multiple physiological systems to provide a comprehensive snapshot of how spaceflight affects the human body as part of a third study called Artemis II Standard Measures. What’s more, radiation sensors placed inside the Orion capsule cells will collect additional information about radiation shielding functionality and organ-on-a-chip devices containing astronaut cells will study how deep space travel affects humans at a cellular level. “Artemis missions present unique opportunities, and challenges, for scientific research,” said Steven Platts, chief scientist for human research at NASA Johnson. Platts explained the mission will need to protect against challenges including exposure to higher radiation levels than on the International Space Station, since the crew will be farther from Earth. “Together, these studies will allow scientists to better understand how the immune system performs in deep space, teach us more about astronauts’ overall well-being ahead of a Mars mission, and help scientists develop ways to ensure the health and success of crew members,” he said. Another challenge is the relatively small quarters. The habitable volume inside Orion is about the size of a studio apartment, whereas the is larger than a six-bedroom house with six sleeping quarters, two bathrooms, a gym, and a 360-degree view bay window. That limitation affects everything from exercise equipment selection to how to store saliva samples., reactivate dormant viruses in astronauts, and put the health of the crew at risk. Saliva samples from space-based missions have enabled scientists to assess various viruses, hormones, and proteins that reveal how well the immune system works throughout the mission. But refrigeration to store such samples will not be an option on this mission due to limited space. Instead, for the, crew members will supply liquid saliva on Earth and dry saliva samples in space and on Earth to assess changes over time. The dry sample process involves blotting saliva onto special paper that’s stored in pocket-sized booklets. “We store the samples in dry conditions before rehydrating and reconstituting them,” said Brian Crucian, an immunologist with NASA Johnson who’s leading the study. After landing, those samples will be analyzed by agency researchers., participating crew members will wear movement and sleep monitors, called actigraphy devices, before, during, and after the mission. The monitors will enable crew members and flight controllers in mission control to study real-time health and behavioral information for crew safety, and help scientists study how crew members’ sleep and activity patterns affect overall health and performance. Other data related to cognition, behavior, and team dynamics will also be gathered before and after the mission. “Artemis missions will be the farthest NASA astronauts have ventured into space since the Apollo era,” said Suzanne Bell, a NASA psychologist based at Johnson who is leading the investigation. “The study will help clarify key mission challenges, how astronauts work as a team and with mission control, and the usability of the new space vehicle system.” , will involve collecting survey and biological data before, during, and after the Artemis II mission, though blood collection will only occur before and after the mission. Collecting dry saliva samples, conducting psychological assessments, and testing head, eye, and body movements will also be part of the work. In addition, tasks will include exiting a capsule and conducting simulated moonwalk activities in a pressurized spacesuit shortly after return to Earth to investigate how quickly astronauts recover their sense of balance following a mission. Crew members will provide data for these Artemis II health studies beginning about six months before the mission and extending for about a month after they return to Earth.characterize the radiation environment in deep space. Several CubeSats, shoe-box sized satellites that will be deployed into high-Earth orbit during Orion’s transit to the Moon, will probe the near-Earth and deep space radiation environment. Data gathered by these CubeSats will help scientists understand how best to shield crew and equipment from harmful space radiation at various distances from Earth. Crew members will also keep dosimeters in their pockets that measure radiation exposure in real time. Two additional radiation-sensing technologies will also be affixed to the inside of the Orion spacecraft. One type of device will monitor the radiation environment at different shielding locations and alert crew if they need to seek shelter, such as during a solar storm. A separate collection of four radiation monitors, enabled through a partnership with the German Space Agency DLR, will be placed at various points around the cabin by the crew after launch to gather further information. Other technologies also positioned inside the spacecraft will gather information about the potential biological effects of the deep space radiation environment. These will include devices called organ chips that house human cells derived from the Artemis II astronauts, through a project called AVATAR . After the Artemis II lands, scientists will analyze how these organ chips responded to deep space radiation and microgravity on a cellular level. Together, the insights from all the human research science collected through this mission will help keep future crews safe as humanity extends missions to the Moon and ventures onward to Mars.pursues methods and technologies to support safe, productive human space travel. Through science conducted in laboratories, ground-based analogs, commercial missions, the International Space Station and Artemis missions, the program scrutinizes how spaceflight affects human bodies and behaviors. Such research drives the program’s to innovate ways that keep astronauts healthy and mission ready as human space exploration expands to the Moon, Mars, and beyond.
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