Bright sun lights NASA astronaut Mark Vande Hei as he steps outside the International Space Station in this picture taken on 10 October 2017.
The photo was snapped by Vande Hei’s fellow spacewalker Randy Bresnik.
Reflected in Vande Hei’s visor the airlock hatch the pair have just exited is visible.
Originally published by Cosmos as Sunrise and space station
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