Why are we posting this pic of Saturn on #EarthDay? See that bright dot? That’s Earth, as seen from @CassiniSaturn: https://t.co/vYNrYrMeUt http://pic.twitter.com/oecjHaJQpx
— NASA (@NASA) April 22, 2017
via Twitter https://twitter.com/NASA
April 23, 2017 at 01:16AM
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