Station Crew Busy with Spacewalk Preps, Space Research

Astronauts Tom Marshburn, Raja Chari and Matthias Maurer

Astronaut Tom Marshburn of NASA (center) assists NASA astronaut Raja Chari (from left) and ESA astronaut Matthias Maurer during their U.S. spacesuit fit check.

Two astronauts are getting ready for a spacewalk set to begin on Wednesday at 8:50 a.m. EDT. NASA astronaut Raja Chari and ESA (European Space Agency) astronaut Matthias Maurer will spend about six-and-a-half hours installing new thermal system and electronics components on the station’s U.S. segment. The duo spent Monday organizing their spacewalk tools and attaching checklists to their U.S. spacesuit cuffs. NASA TV will begin its live spacewalk coverage at 7:30 a.m. on Wednesday.

NASA Flight Engineers Mark Vande Hei and Kayla Barron were on science duty yesterday working on a pair of different experiments. Vande Hei explored how microbes grow in space to keeps crews healthy and spacecraft systems safe. Barron serviced samples for the Hicari crystal growth study that seeks to improve the development of solar cells and semiconductor-based electronics.

NASA astronaut Tom Marshburn spent the day on a variety of orbital plumbing and life support maintenance tasks. He also joined Chari for a conference with mission controllers as they plan to return to Earth with Barron and Maurer aboard the SpaceX Crew Dragon Endurance next month.

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