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The Heart of Pluto in HD (3644 x 3153). Tombaugh Regio and Sputnik Planum.
http://space-pics.tumblr.com/source:http://imgur.com/r/space/MbcHJR4
The Heart of Pluto in HD (3644 x 3153). Tombaugh Regio and Sputnik Planum.
http://space-pics.tumblr.com/source:http://imgur.com/r/space/MbcHJR4