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Τρίτη 25 Απριλίου 2017

Ο υπέροχος πλανήτης μας...

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On December 17, 1972, the crew of Apollo 17 snapped this iconic image of planet Earth. Dubbed the Blue Marble, this image was taken as Apollo 17 rocketed toward the moon.

https://nasa.tumblr.com/post/159861296404/for-nasa-earth-day-is-every-day

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