New map of #Pluto's "heart" suggests possible convective flow of nitrogen ice. ❤ https://t.co/4ZyER5knXO http://pic.twitter.com/v3tsnB9Hci
— NASA New Horizons (@NASANewHorizons) June 30, 2016
via Twitter https://twitter.com/NASANewHorizons
June 30, 2016 at 09:05PM
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