University of Arizona

Pluto has a cold, wandering heart, and maybe a hidden ocean too

Pluto has a cold, wandering heart, and maybe a hidden ocean too

Scientists looking deep into the “heart” of Pluto have discovered more evidence that the dwarf planet could be hiding a liquid ocean beneath its icy surface.

In two papers published this week  in the journal Nature, researchers say Sputnik Planitia, the bright left lobe of a giant heart-shaped plain on Pluto’s surface, is on the move — slowly drifting toward the petite planet’s equator.

One possible explanation for this drift would be an underground ocean, the scientists said. 

“It’s not a bulletproof argument, but so far, all the evidence points in the direction of an...

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