NASA’s Perseverance Mars rover snapped this view of a hill in Mars’ Jezero Crater called «Santa Cruz» on April 29, 2021, the 68th Martian day, or sol, of the mission.
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The seven-member Expedition 66 crew juggled a variety of science experiments on Wednesday including space physics and human research. Four International Space Station astronauts also reviewed procedures for a pair of spacewalks set to begin in less than two weeks.
A new experiment on the space station is using artificial intelligence to help process complex glasses in microgravity. NASA Flight Engineer Kayla Barron began setting up hardware for the Intelligent Glass Optics investigation in the Microgravity Science Glovebox today. The advanced physics study may provide insights into manufacturing systems for Earth and space including communications, aerospace, and medical diagnostics.
Barron also joined fellow flight engineers Raja Chari and Thomas Marshburn from NASA and Matthias Maurer from ESA (European Space Agency) to prepare for two upcoming spacewalks to continue modifying the orbiting lab’s power system. The quartet reviewed the tools and procedures that Barron and Chari will use on March 15 when they exit the U.S. Quest airlock to ready the station for its third roll-out solar array. The second excursion will be on March 23 with two astronauts yet to be named. NASA TV will begin its live spacewalk coverage at 7:50 a.m. EST on both days.
At the beginning of the day, Chari assisted Marshburn and Maurer as they collected their blood, saliva, and urine samples. The samples were stowed in a science freezer for later analysis as part of the long-running Repository investigation. That study looks at a bank of biological specimens collected from station astronauts over the years for insights into the physiological changes occurring in humans living in space.
NASA Flight Engineer Mark Vande Hei worked throughout the day inside the Kibo laboratory module on payload hardware that will soon be placed outside the station in the harsh environment of space. Vande Hei is also on track to surpass two NASA single spaceflight records this month. He will pass NASA astronaut Christina Koch’s mark of 328 days on March 3, then he will break NASA astronaut Scott Kelly’s record of 340 days on March 15. When Vande Hei returns to Earth on March 30, he will hold the NASA single spaceflight record having spent 355 days in space.
The orbiting lab’s two cosmonauts, Commander Anton Shkaplerov and Flight Engineer Pyotr Dubrov, replaced life support components in the station’s Russian segment.
Mark Garcia
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A United Launch Alliance Atlas V 541 rocket, carrying NOAA’s GOES-T, soars upward after lifting off from Space Launch Complex 41 on March 1, 2022.
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NASA successfully launched the third in a series of next-generation weather satellites for the National Oceanic and Atmospheric Administration (NOAA) at 4:38 p.m. EST Tuesday. The newest Geostationary Operational Environmental Satellite, GOES-T, launched on a United Launch Alliance Atlas V rocket from Cape Canaveral Space Force Station.
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A host of life science experiments is underway today as the Expedition 66 crew explores how living in space affects the human body. The International Space Station is also gearing up this month for a pair of spacewalks to upgrade its power systems.
Skin, hearing, and mold were the main focus of today’s biology research aboard the orbiting lab. Blood, saliva, and urine sample collections were also on Tuesday’s schedule as scientists keep check of astronaut health.
NASA astronaut Tom Marshburn looked at skin tissue samples to understand why microgravity accelerates skin aging in astronauts. Afterward, he cleaned the Life Science Glovebox and closed out operations for the experiment that seeks to prevent skin deterioration in space and improve skin conditions on Earth.
Marshburn also collected his blood and urine samples before stowing them in a science freezer. NASA Flight Engineer Mark Vande Hei collected his saliva samples then stowed them for future analysis. Doctors on the ground observe the biological samples to gain insights into how the human body adapts to long-term microgravity. Vande Hei also activated the Space Biofilms experiment to learn how to control mold growth on the station to maintain spacecraft safety and crew health.
Scientists also want to understand how the station’s operating environment, including weightlessness itself, affects a crew member’s hearing. ESA (European Space Agency) Flight Engineer Matthias Maurer participated in the Acoustic Diagnostics study during the afternoon that is monitoring any transitory or permanent hearing affects that might occur in crew members.
Two spacewalks are scheduled at the station for March 15 and 23 to ready the orbiting lab for a third set of roll out solar arrays. Vande Hei joined NASA Flight Engineer Raja Chari and scrubbed cooling loops in a pair of U.S. spacesuits throughout Tuesday. Two astronauts will exit the station and set up a power channel for the first spacewalk then replace components and perform more upgrades on the second spacewalk.
NASA Flight Engineer Kayla Barron spent most of the day on an orbital plumbing demonstration. She worked in the Harmony module observing fill and drain cycles on two different Collapsible Contingency Urinal designs.
In the station’s Russian segment, Commander Anton Shkaplerov worked inside the Soyuz MS-19 crew ship readying the vehicle for its undocking on March 30. Roscosmos Flight Engineer Pyotr Dubrov inspected the Zvezda service module then explored cell biology.
Mark Garcia
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