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Hubble Observations reveal ocean on Ganymede!
Based off of observations by the , studying the aurorae of #Ganymede reveals that there may be enormous sub-surface oceans beneath the icy crust and mantle of the largest moon in our solar system!
This is the topic of today’s #HubbleHangou which starts in 30 minutes!
You can RSVP to the show here onhere:
Watch directly on YouTube: http://www.youtube.com/watch?v=PKc6CaI9ZcQ
Read the Press release: http://hubblesite.org/newscenter/archive/releases/2015/09/
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