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Pluto’s Frozen Lake Hints at a Warmer Past

A possible frozen-nitrogen lake on Pluto (NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute)

A possible frozen-nitrogen lake in Pluto’s mountains (NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute)

Hockey fans take note: future visitors to Pluto may want to bring along their sticks and skates—the distant planet may harbor some pristine ice in the form of frozen ponds and lakes! (NASA might have to work on a lightweight, collapsible Zamboni first though.)

This image shows what appears to be a frozen “alpine” lake of liquid nitrogen located in a mountain range north of Sputnik Planum (i.e., Pluto’s “heart”). Captured by New Horizons’ Long Range Reconnaissance Imager (LORRI) instrument on July 14, 2015, the image shows details as small as about 430 feet (130 m). At its widest point the lake is about 20 miles (30 km) across. (Source)

It’s thought that Pluto may once have been able to support flowing liquids on its surface, billions of years in the past when its atmosphere was thicker.

“In addition to this possible former lake, we also see evidence of channels that may also have carried liquids in Pluto’s past,” said New Horizons PI Alan Stern.

See this and more images and news from the New Horizons mission here.

Source: NASA/JHUAPL/SwRI

 

 

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About Jason Major

Jason is a Rhode Island-based graphic designer, photographer, nature lover, space exploration fanatic, and coffee addict. In no particular order.

Posted on March 29, 2016, in Pluto and tagged , , , , , , , . Bookmark the permalink. 2 Comments.

  1. Nice Report, Thanks You

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  2. I wonder whether there are other implications. Other than a thicker atmosphere, could Pluto possibly have been nearer to the sun? Much nearer?

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