Odd surface patterns on Pluto hinted to astronomers that, sometime in the past—quite possibly not that long ago—liquid existed on its surface. A team of planetary scientists believe they’ve found it.
A new analysis of New Horizon images of the Sputnik Planitia, a section of Pluto’s massive, heart-shaped glacier, suggests that liquid nitrogen once existed on the dwarf planet’s surface. The study, published late last month in The Planetary Science Journal, presents the first evidence of recent liquid flow on Pluto. That is, recent on astronomical scales; Sputnik Planitia is presumably less than one million years old, so if the findings are…
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