Into the Vacuum: Investigating Space Microbes During a Critical NASA Spacewalk

The International Space Station soars into an orbital sunset 258 miles above the Maldives in the Indian Ocean. In the left foreground, is the Soyuz MS-25 crew ship docked to the Prichal docking module. Credit: SciTechDaily.com

Astronauts on Expedition 71 are set for a spacewalk to perform hardware removal and study microorganisms in space. Other team members are working on genetic sequencing and routine maintenance, while cosmonauts have a day off. The Expedition 71 crew is in final preparations for a science and maintenance spacewalk set to begin in the morning on Thursday, June 13. The two astronauts onNASA astronauts Tracy C. Dyson and Matthew Dominick are in their final day of preparations for a spacewalk planned to start at. Once the astronauts set their spacesuits to battery power, the spacewalkers will exit the Quest airlock into the vacuum of space for six-and-a-half hours of maintenance and science work.

The duo will first remove the radio frequency group hardware from a pallet on the side of the Destiny laboratory module with assistance from the Canadarm2 robotic arm.NASA astronaut and Expedition 71 Flight Engineer Tracy C. Dyson works inside the International Space Station’s Quest airlock and checks procedures on a computer tablet to prepare a spacesuit for a fit verification.

Lakes Mansarovar and Rakshastal, on the Chinese side of the Himalayan border with India, are pictured from the International Space Station as it orbited 260 miles above the Indian subcontinent. Credit: NASANASA astronauts Butch Wilmore and Suni Williams spent Wednesday focusing on lab maintenance and researching advanced biotechnology.

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