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Sources:
http://www.sciencealert.com/nasa-scie…
http://www.popsci.com/we-could-be-liv…
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http://www.space.com/31488-european-m…
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http://spaceflight.esa.int/humanrobot…
Media:
https://commons.wikimedia.org/wiki/Fi…
https://www.flickr.com/photos/cogdog/…
https://commons.wikimedia.org/wiki/Fi…
https://commons.wikimedia.org/wiki/Fi…
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https://commons.wikimedia.org/wiki/Fi…