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Icy volcanoes on Pluto may have spewed organic-rich water

The dwarf planet has short-lived ammonia on its icy surface

Pluto

HIDDEN DEPTHS  Pluto sports pimple-like peaks and jagged cracks across its surface, especially to the west of heart-shaped Sputnik Planitia. Some of those cracks could be cryovolcanoes that spewed liquid water onto the surface.

Z.L. Doyle/SwRI/JHU-APL/NASA

By Lisa Grossman

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