ESA Astronauts Samantha Cristoforetti and Alexander Gerst

ESA Astronauts Samantha Cristoforetti and Alexander Gerst
ESA Astronauts Samantha Cristoforetti and Alexander Gerst at the first European SpaceTweetup in September 2011 at DLR Cologne.
Credit:

Simona Forti, CC-BY-NC-SA.

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