Expanding Pluto (IMAGE)

Brown University

Expanding Pluto

Caption

The New Horizons spacecraft spied extensional faults on Pluto, a sign that the dwarf planet has undergone a global expansion possibly due to the slow freezing of a subsurface ocean. A new analysis by Brown University scientists bolsters that idea, and suggests that ocean is likely still there today.

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NASA/JHUAPL/SwRI

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