Astronaut Kjell Lindgren tests reactive membranes for water reclamation in microgravity as compared to 1g on Earth.
Astronaut Kjell Lindgren tests reactive membranes for water reclamation in microgravity as compared to 1g on Earth.
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Astronaut Bob Hines works to remove and replace the Material Science Laboratory's vacuum sensor.
Spacewalker Samantha Cristoforetti works outside the Nauka multipurpose laboratory module on the International Space Station.
Astronaut Samantha Cristoforetti the International Space Station's Poisk module preparing for a spacewalk.
Spacewalker Samantha Cristoforetti works outside the Nauka multipurpose laboratory module on the International Space Station.
Spacewalkers Samantha Cristoforetti and Oleg Artemyev work outside the Nauka multipurpose laboratory module.
This view of the International Space Station shows the SpaceX Dragon cargo ship docked to the Harmony module.
The sun's glint beams off the Atlantic Ocean just before it sets creating a yellow-orange hue in this photograph from…
