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    • By NASA
      4 Min Read NASA’s Artemis II Crew Uses Iceland Terrain for Lunar Training
      Credits:
      NASA/Trevor Graff/Robert Markowitz Black and gray sediment stretches as far as the eye can see. Boulders sit on top of ground devoid of vegetation. Humans appear almost miniature in scale against a swath of shadowy mountains. At first glance, it seems a perfect scene from an excursion on the Moon’s surface … except the people are in hiking gear, not spacesuits.
      Iceland has served as a lunar stand-in for training NASA astronauts since the days of the Apollo missions, and this summer the Artemis II crew took its place in that long history. NASA astronauts Reid Wiseman, Victor Glover, Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen, along with their backups, NASA astronaut Andre Douglas and CSA astronaut Jenni Gibbons, joined geology experts for field training on the Nordic island.
      NASA astronaut and Artemis II mission specialist Christina Koch stands in the desolate landscape of Iceland during a geology field training course. NASA/Robert Markowitz NASA/Robert Markowitz “Apollo astronauts said Iceland was one of the most lunar-like training locations that they went to in their training,” said Cindy Evans, Artemis geology training lead at NASA’s Johnson Space Center in Houston. “It has lunar-like planetary processes – in this case, volcanism. It has the landscape; it looks like the Moon. And it has the scale of features astronauts will both be observing and exploring on the Moon.”
      Iceland’s geology, like the Moon’s, includes rocks called basalts and breccias. Basalts are dark, fine-grained, iron-rich rocks that form when volcanic magma cools and crystalizes quickly. In Iceland, basalt lavas form from volcanoes and deep fissures. On the Moon, basalts can form from both volcanoes and lava pooling in impact basins. Breccias are angular fragments of rock that are fused together to create new rocks. In Iceland, volcanic breccias are formed from explosive volcanic eruptions and on the Moon, impact breccias are formed from meteoroids impacting the lunar surface.
      Apollo astronauts said Iceland was one of the most lunar-like training locations that they went to in their training.
      Cindy Evans
      Artemis Geology Training Lead
      Along with exploring the geology of Iceland, the astronauts practiced navigation and expeditionary skills to prepare them for living and working together, and gave feedback to instructors, who used this as an opportunity to hone their instruction and identify sites for future Artemis crew training. They also put tools to the test, learning to use hammers, scoops, and chisels to collect rock samples.
      Caption: The Artemis II crew, NASA astronauts Reid Wiseman, Victor Glover, Christina Koch, and Canadian Space Agency (CSA) astronaut Jeremy Hansen, and backup crew members NASA astronaut Andre Douglas and CSA astronaut Jenni Gibbons trek across the Icelandic landscape during their field geology training. NASA/Robert Markowitz “The tools we used during the Apollo missions haven’t changed that much for what we’re planning for the Artemis missions,” said Trevor Graff, exploration geologist and the hardware and testing lead on the Artemis science team at NASA Johnson. “Traditionally, a geologist goes out with just standard tool sets of things like rock hammers and scoops or shovels to sample the world around them, both on the surface and subsurface.”
      The Artemis tools have a bit of a twist from traditional terrestrial geology tools, though. Engineers must take into consideration limited mass availability during launch, how easy it is to use a tool while wearing pressurized gloves, and how to ensure the pristine nature of the lunar samples is preserved for study back on Earth.
      There’s really transformational science that we can learn by getting boots back on the Moon, getting samples back, and being able to do field geology with trained astronauts on the surface.
      Angela Garcia
      Exploration Geologist and Artemis II Science Officer
      Caption: Angela Garcia, Artemis II science officer and exploration geologist, demonstrates how to use a rock hammer and chisel to dislodge a rock sample from a large boulder during the Artemis II field geology training in Iceland. NASA/Robert Markowitz “There’s really transformational science that we can learn by getting boots back on the Moon, getting samples back, and being able to do field geology with trained astronauts on the surface,” said Angela Garcia, exploration geologist and an Artemis II science officer at NASA Johnson.
      The Artemis II test flight will be NASA’s first mission with crew under Artemis and will pave the way to land the first woman, first person of color, and first international partner astronaut on the Moon on future missions. The crew will travel approximately 4,600 miles beyond the far side of the Moon. While the Artemis II astronauts will not land on the surface of the Moon, the geology fundamentals they develop during field training will be critical to meeting the science objectives of their mission.
      These objectives include visually studying a list of surface features, such as craters, from orbit. Astronauts will snap photos of the features, and describe their color, reflectivity, and texture — details that can reveal their geologic history.
      The Artemis II crew astronauts, their backups, and the geology training field team pose in a valley in Iceland’s Vatnajökull national park. From front left: Angela Garcia, Jacob Richardson, Cindy Evans, Jenni Gibbons, Jacki Mahaffey, back row from left: Jeremy Hansen, John Ramsey, Reid Wiseman, Ron Spencer, Scott Wray, Kelsey Young, Patrick Whelley, Christina Koch, Andre Douglas, Jacki Kagey, Victor Glover, Rick Rochelle (NOLS), Trevor Graff. “Having humans hold the camera during a lunar pass and describe what they’re seeing in language that scientists can understand is a boon for science,” said Kelsey Young, lunar science lead for Artemis II and Artemis II science officer at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. “In large part, that’s what we’re training astronauts to do when we take them to these Moon-like environments on Earth.”

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      Details
      Last Updated Sep 13, 2024 Related Terms
      Analog Field Testing Andre Douglas Apollo Artemis Astronauts Christina H. Koch Earth’s Moon G. Reid Wiseman Humans in Space Missions The Solar System Victor J. Glover Explore More
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    • By NASA
      The International Space Station is pictured from the SpaceX Crew Dragon Endeavour during a fly around.NASA NASA astronaut Nick Hague and Roscosmos cosmonaut Aleksandr Gorbunov are headed to the International Space Station for the agency’s SpaceX Crew-9 mission in September. Once on station, these crew members will support scientific investigations that include studies of blood clotting, effects of moisture on plants grown in space, and vision changes in astronauts.

      Here are details on some of the work scheduled during the Crew-9 expedition:

      Blood cell development in space
      Megakaryocytes Orbiting in Outer Space and Near Earth (MeF1) investigates how environmental conditions affect the development and function of megakaryocytes and platelets. Megakaryocytes, large cells found in bone marrow, and platelets, pieces of these cells, play important roles in blood clotting and immune response.

      “Understanding the development and function of megakaryocytes and platelets during long-duration spaceflight is crucial to safeguarding the health of astronauts,” said Hansjorg Schwertz, principal investigator, at the University of Utah. “Sending megakaryocyte cell cultures into space offers a unique opportunity to explore their intricate differentiation process. Microgravity also may impact other blood cells, so the insights we gain are likely to enhance our overall comprehension of how spaceflight influences blood cell production.”

      Results could provide critical knowledge about the risks of changes in inflammation, immune responses, and clot formation in spaceflight and on the ground.
      Scanning electron-microscopy image of human platelets prior to launch to the International Space Station.University of Utah/Megakaryocytes PI Team Patches for NICER
      The Neutron Star Interior Composition Explorer (NICER) telescope on the exterior of the space station measures X-rays emitted by neutron stars and other cosmic objects to help answer questions about matter and gravity.

      In May 2023, NICER developed a “light leak” that allows sunlight to interfere with daytime measurements. Special patches designed to cover some of the damage will be installed during a future spacewalk, returning the instrument to around-the-clock operation.

      “This will be the fourth science observatory and first X-ray telescope in orbit to be repaired by astronauts,” said principal investigator Keith Gendreau at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. “In just a year, we diagnosed the problem, designed and tested a solution, and delivered it for launch. The space station team — from managers and safety experts to engineers and astronauts — helped us make it happen. We’re looking forward to getting back to normal science operations.”
      This view shows NICER’s 56 X-ray concentrators. Astronauts plan to cover some of them with special patches on a future spacewalk. NASA Vitamins for vision
      Some astronauts experience vision changes, a condition called Spaceflight-Associated Neuro-ocular Syndrome. The B Complex investigation tests whether a daily B vitamin supplement can prevent or mitigate this problem and assesses how genetics may influence individual response.

      “We still do not know exactly what causes this syndrome, and not everyone gets it,” said Sara Zwart, principal investigator, at the University of Texas Medical Branch, Houston. “It is likely many factors, and biological variations that make some astronauts more susceptible than others.”

      One such variation could be related to a metabolic pathway that requires B vitamins to function properly. Inefficiencies in this pathway can affect the inner lining of blood vessels, resulting in leaks that may contribute to vision changes. Providing B vitamins known to affect blood vessel function positively could minimize issues in genetically at-risk astronauts.

      “The concept of this study is based on 13 years of flight and ground research,” Zwart said. “We are excited to finally flight test a low-risk countermeasure that could mitigate the risk on future missions, including those to Mars.”
      NASA astronaut Mark Vande Hei conducts a vision exam on the International Space StationNASA Watering the space garden
      As people travel farther from Earth for longer, growing food becomes increasingly important. Scientists conducted many plant growth experiments on the space station using its Veggie hardware, including Veg-01B, which demonstrated that ‘Outredgeous’ red romaine lettuce is suitable for crop production in space.

      Plant Habitat-07 uses this lettuce to examine how moisture conditions affect the nutritional quality and microbial safety of plants. The Advanced Plant Habitat controls humidity, temperature, air, light, and soil moisture, creating the precise conditions needed for the experiment.

      Using a plant known to grow well in space removes a challenging variable from the equation, explained Chad Vanden Bosch, principal investigator at Redwire, and this lettuce also has been proven to be safe to consume when grown in space.

      “For crews building a base on the Moon or Mars, tending to plants may be low on their list of responsibilities, so plant growth systems need to be automated,” Bosch said. “Such systems may not always provide the perfect growing conditions, though, so we need to know if plants grown in suboptimal conditions are safe to consume.”
      This preflight image shows lettuce grown under control (left) and flood (right) moisture treatments. Plant Habitat-07 team Melissa Gaskill
      International Space Station Research Communications Team
      NASA’s Johnson Space Center
      Search this database of scientific experiments to learn more about those mentioned in this article.
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    • By NASA
      The four-person crew of the Polaris Dawn mission pictured wearing their SpaceX extravehicular activity suits.Credit: SpaceX NASA researchers will soon benefit from a suite of experiments flying aboard a new fully-commercial human spaceflight mission, strengthening future agency science as we venture to the Moon, Mars and beyond.
      The experiments are flying as part of the Polaris Dawn mission which launched aboard a SpaceX Dragon spacecraft and Falcon 9 rocket earlier today.
      The four-person Polaris Dawn crew of Jared Isaacman, Scott “Kidd” Poteet, Sarah Gillis, and Anna Menon will conduct science during the mission including essential health and human performance research for NASA’s Human Research Program. The research will help NASA scientists better understand how exposure to space conditions affects the human body. The crew will test new medical approaches and technology on telemedicine capabilities, gather data on space motion sickness, and better characterize flight-associated injury risks.
      “Each mission, whether the crew is comprised of commercial or NASA astronauts, provides a key opportunity to expand our knowledge about how spaceflight affects human health,” said Jancy McPhee, associate chief scientist for human research at NASA. “Information gathered from Polaris Dawn will give us critical insights to help NASA plan for deeper space travel to the Moon and Mars.”
      The crew will test drive, a commercial device that can collect and integrate measurements of health, including blood pressure, heart rate, respiration rate, and temperature. The technology also provides ultrasound imaging and larynx and throat-focused video camera capabilities, and includes an experimental telemedicine feature that could help diagnose crew members in near-real time.
      To test this technology during the mission, crew members will compare vital sign collection from the device with data gathered from standard periodic health status exams. The technology’s telemedicine feature, which relies on SpaceX’s Starlink communications system to connect with doctors and specialists on Earth, will also be tested during a simulation. During the test, the device will attempt to offer an appropriate diagnosis based on crew inputs and available documentation.
      “Crew members will need to be more self-reliant during lengthy missions, and we hope that telemedicine can provide crews with assistance,” said McPhee.
      Another research project aims to better understand and prevent the motion sickness symptoms that many astronauts experience in space. Participating crew members will describe their motion sickness symptoms, what interventions they tried to alleviate their symptoms, and whether any approaches helped.
      A separate NASA-based research project will survey crew members after their mission to see whether they experienced any injuries or discomfort during re-entry to Earth.
      “Our team will take the crew’s survey data and combine it with information gathered from sensors on the spacecraft. This will allow us to link crews’ reported experiences and health outcomes with the spacecraft’s dynamics and landing loads,” said Preston Greenhalgh, an injury biomechanist at NASA who is leading this work.
      Crew members also will participate in a variety of other health studies on behalf of the NASA-funded TRISH (Translational Research Institute for Health), a consortium with various academic institutions. As part of that work, the Polaris Dawn mission will set a new baseline for collecting standard health data on commercial spaceflights, creating a complement to the datasets  routinely collected from NASA astronauts and missions.
      Polaris Dawn crew members participating in these TRISH studies will provide data about how spaceflight affects mental and physical health through a rigorous set of medical tests and scans completed before, after, and during the mission. The work will include assessments of behavior, sleep, bone density, eye health, cognitive function, and other factors, as well as analysis of blood, urine, and respiration.
      “We’re so grateful to the crew members who volunteer to be part of NASA’s work. The insights that we gain from each study may trigger breakthroughs that will help ensure future mission success,” said McPhee.
      ____
      NASA’s Human Research Program pursues the best methods and technologies to support safe, productive human space travel. Through science conducted in laboratories, ground-based analogs, commercial missions, and the International Space Station, the program scrutinizes how spaceflight affects human bodies and behaviors. Such research continues to drive NASA’s mission to innovate ways that keep astronauts healthy and mission-ready as space exploration expands to the Moon, Mars, and beyond.
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    • By NASA
      The dome-shaped Brandburg Massif, near the Atlantic coast of central Namibia, containing Brandberg Mountain, the African nation’s highest peak and ancient rock paintings going back at least 2,000 years, is pictured from the International Space Station as it orbited 261 miles above.
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    • By NASA
      Curiosity Navigation Curiosity Home Mission Overview Where is Curiosity? Mission Updates Science Overview Instruments Highlights Exploration Goals News and Features Multimedia Curiosity Raw Images Images Videos Audio More Resources Mars Missions Mars Sample Return Mars Perseverance Rover Mars Curiosity Rover MAVEN Mars Reconnaissance Orbiter Mars Odyssey More Mars Missions The Solar System The Sun Mercury Venus Earth The Moon Mars Jupiter Saturn Uranus Neptune Pluto & Dwarf Planets Asteroids, Comets & Meteors The Kuiper Belt The Oort Cloud 2 min read
      Sol 4294: Return to McDonald Pass
      This image was taken by Front Hazard Avoidance Camera (Front Hazcam) aboard NASA’s Mars rover Curiosity on sol 4293 — Martian day 4,293 of the Mars Science Laboratory mission — Sept. 3, 2024 at 04:09:27 UTC. NASA/JPL-Caltech Earth planning date: Tuesday, Sept. 3, 2024
      Curiosity has returned to “McDonald Pass,” a block within Gediz Vallis that we first spotted about a month ago (as seen in the above Front Hazcam image). The block shows some interesting zonation — the distribution of textures and colors into different areas, or zones. We’re hoping that by studying the well-exposed relationships between white, gray, and tan material at this location that we’ll be able to better understand similar relationships that we’ve observed elsewhere. The drive over the weekend got us back to McDonald Pass, but perhaps one step too far. We realized that the best spot to study these zones is directly beneath the rover, so today’s plan includes contact science and a short bump to position the rover for even more science tomorrow.
      Today was a rare one-sol plan, to account for the U.S. holiday yesterday. I was on shift as the Long Term Planner and it was a fairly straightforward day once we established the best locations for contact science. The plan starts with a DRT and APXS on the central part of the slab, at a target named “Erin Lake.” Then we have a remote sensing block, which begins with some environmental monitoring to search for dust devils, measure atmospheric opacity, and monitor the movement of fines on the rover deck. The Geology Theme group planned ChemCam LIBS on the darker gray rim of this block at “Paris Lake,” along with a ChemCam passive observation on an interesting dark float block nearby. There’s also a long distance RMI mosaic to assess the yardang unit higher on Mount Sharp, and a Mastcam mosaic to evaluate the textures in a row of large clasts. Later in the afternoon, Curiosity will acquire MAHLI images of Erin Lake and another target, “Picture Puzzle,” which captures the white, gray, and tan zones. Then Curiosity will take a short drive back about 1 meter (about 3.3 feet) to position a white and gray clast in our workspace for even more contact science tomorrow. 
      Will McDonald Pass be the key to understanding the zonation observed in blocks throughout this region? Stay tuned!
      Written by Lauren Edgar, Planetary Geologist at USGS Astrogeology Science Center
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