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NASA astronaut Christina Koch is pictured near a solar array during a spacewalk to finalize upgrading power systems on the International Space Station's Port-6 truss structure.

Astronaut Christina Koch is pictured near a solar array

iss061e136533 (Jan. 20, 2020) --- NASA astronaut Christina Koch is pictured near a solar array during a spacewalk to finalize upgrading power systems on the International Space Station's Port-6 truss structure.

Image Credit: NASA
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