published on: 2012-05-24 17:14:53
bigbrotherbyron.tumblr.com/post/23677681535/
kathrynnelizabethh: (via imgTumble)
fre3spirit17: Lol
dailyastro: Gemini 1698: Visit The Daily Astro for more facts
carlzimmer: Compared to Jupiter’s moon Europa, our planet
bigbrotherbyron.tumblr.com/post/23678302984/