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Eye Research, Treadmill Servicing Keeps Crew Busy Tuesday

A full day of eye research and treadmill maintenance kept the Expedition 66 crew members busy on Tuesday. Two crew mates also had a light duty day aboard the International Space Station ahead of their return to Earth at the end of the month.

Three astronauts worked throughout the day continuing to research how living in space affects eye structure and visual function. NASA Flight Engineers Raja Chari and Kayla Barron were assisted by ESA (European Space Agency) astronaut Matthias Maurer in the Kibo laboratory module to help doctors understand why some astronauts have reported vision issues in microgravity and after returning to Earth. Results may help doctors develop treatments for eye conditions experienced by astronauts and Earthlings.

NASA Flight Engineer Tom Marshburn spent Tuesday working in the Tranquility module servicing the COLBERT treadmill. He started with a visual inspection before aligning components on the exercise device to ensure it remained centered inside Tranquility. COLBERT was delivered to the orbital lab over 12 years ago aboard space shuttle Discovery.

Two crew members had minimal duties on Tuesday as they near the end of their 355-day mission. NASA Flight Engineer Mark Vande Hei and Roscosmos Flight Engineer Pyotr Dubrov are due to return to Earth on March 30 just 10 days short of a one-year stay on the space station. Vande Hei set up a camera for an ongoing archaeological experiment aboard the station while Dubrov conducted inspections in the Russian segment. The duo will ride alongside Commander Anton Shkaplerov, who has been aboard the station since October, inside the Soyuz MS-19 crew ship.

Shkaplerov will be completing his fourth space station mission, while Vande Hei will land with the NASA single spaceflight record surpassing astronaut Scott Kelly’s record of 340 days set back in 2016. Dubrov will be completing his first spaceflight.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on Twitter, as well as the ISS Facebook and ISS Instagram accounts.

Get weekly video highlights at: http://jscfeatures.jsc.nasa.gov/videoupdate/

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Mark Garcia

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Life Science, Fire Safety Top Monday’s Station Science Schedule

An array of space biology and combustion investigations topped the microgravity research program aboard the International Space Station on Monday. Life support work and cargo transfers also kept the Expedition 66 crew busy at the beginning of the week.

Living in space has been shown to impact an astronaut’s vision even after returning to Earth. NASA Flight Engineers Raja Chari and Kayla Barron worked throughout the day studying how weightlessness affects eye structure and visual function. The duo’s research efforts may help scientists develop treatments for eye conditions in space and on Earth.

Astronauts are also learning how to exercise more effectively in space. The lack of gravity leads to muscle and bone loss that crews seek to avoid with daily two-hour workout sessions on the station. ESA (European Space Agency) astronaut Matthias Maurer used the Tranquility module’s advanced resistive exercise device during the morning performing exercises such as bench presses, squats, and dead lifts. He wore a specialized suit for the EasyMotion study that was stimulating his muscles during the workout which may improve and lessen the duration of exercise sessions in space.

Flames and materials burn longer and differently in microgravity and scientists and engineers use the data to keep astronauts safe in outer space. NASA Flight Engineer Mark Vande Hei opened up the Combustion Integrated Rack today and configured components inside the research device. He set up the rack for the Solid Fuel Ignition and Extinction study to improve fire suppression techniques and improve spaceship safety.

NASA astronaut Tom Marshburn worked throughout the day in Tranquility servicing components on the oxygen generation assembly. He collected samples from the life support device for analysis on the ground.

Commander Anton Shkaplerov focused on a pair of Russian experiments on Monday. He explored ways to create a sterile research environment aboard the station then researched how the human heart adapts to space. Flight Engineer Pyotr Dubrov unpacked medical kits delivered recently inside the ISS Progress 80 resupply ship.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on Twitter, as well as the ISS Facebook and ISS Instagram accounts.

Get weekly video highlights at: http://jscfeatures.jsc.nasa.gov/videoupdate/

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Mark Garcia

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Spacesuit Checks and Eye Study Wrap Up Station Work Week

The Expedition 66 crew is continuing its preparations for a pair of spacewalks at the International Space Station scheduled for later this month. The seven orbital residents also pursued ongoing life science while maintaining operations at the orbital lab.

Three NASA astronauts and an ESA (European Space Agency) astronaut participated in a fit check for a pair of U.S. spacesuits on Friday. Flight Engineers Raja Chari of NASA and Matthias Maurer of ESA started the work by readying spacesuits and tools inside the U.S. Quest airlock. In the afternoon, NASA Flight Engineers Mark Vande Hei and Tom Marshburn assisted the two astronauts as they verified the correct sizing of the suits ahead of a pair of spacewalks planned for March 15 and 23.

Vande Hei and Marshburn started their day pairing up inside the Kibo laboratory module researching how microgravity affects eye structure and visual function. The experiment that takes place in Kibo’s Life Science Glovebox and examines changes in the vascular system of the retina and tissue remodeling.

NASA Flight Engineer Kayla Barron took a break from today’s spacewalk preparations and installed computer hardware on combustion research gear located in the Kibo module. She also helped Vande Hei and Marshburn stow science gear after they wrapped up a half-a-day of visual function research.

Commander Anton Shkaplerov of Roscosmos kept up this week’s maintenance in the station’s Russian segment as he replaced life support gear before checking on a space biology experiment. Flight Engineer Pyotr Dubrov focused on support work for a variety of electronics components and computer gear throughout the day.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on Twitter, as well as the ISS Facebook and ISS Instagram accounts.

Get weekly video highlights at: http://jscfeatures.jsc.nasa.gov/videoupdate/

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Mark Garcia

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