pluto heart

We Now Know How Pluto Got Its Giant Frozen Heart

Over time, the heart might actually have a "beat."
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Scientists Mystified By Pluto's 'Snakeskin' Appearance

“It looks more like tree bark or dragon scales than geology."
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New Photo Shows Pluto's 'Heart' Actually A Vast, Frozen Wasteland

Warm and fuzzy from afar, cold and barren up close.
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