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NASA uncovers “Hulk-like” past of Pluto moon

by Brandon Russell | February 20, 2016February 20, 2016 3:00 pm PST

Data provided by NASA’s New Horizons spacecraft suggests Pluto’s moon Charon once had a subsurface ocean. The key here is in the past tense. So what happened to make this ocean disappear? Well, scientists believe the ocean eventually froze, expanded and then burst through Charon’s surface, creating the fractured appearance of the moon today.

I wish I was there to see that.

The image above points to a particular point of interest, known as Serenity Chasma, which is part of an equatorial belt of chasms on Charon. NASA likens the moon’s geological past to Bruce Banner turning into the Hulk and tearing off his shirt.

NASA further explained Charon’s complex tectonic past.

Scientists say Charon could have been warm enough to cause the water ice to melt deep down, creating a subsurface ocean. But as Charon cooled over time, this ocean would have frozen and expanded (as happens when water freezes), lifting the outermost layers of the moon and producing the massive chasms we see today.

Serenity Chasma is an estimated 1,100 miles long and 4.5 miles deep, which absolutely trumps the Grand Canyon. For comparison, the National Park is only 277 miles long and just over a mile deep.

More space!

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Brandon Russell

Brandon Russell enjoys writing about technology and entertainment. When he's not watching Back to the Future, you can find him on a hike or watching...

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