In an exciting recent discovery, scientists have found evidence of ancient canyons on Pluto and its largest moon, Charon. These canyons are thought to be billions of years old and are believed to have been formed by volcanic activity. This discovery provides further evidence that Pluto and its moon were once active worlds with geological processes. Scientists believe that the canyons were formed as a result of water and other materials flowing from the interior of the two planets and carving out deep channels. These channels, which are up to four kilometers deep, are visible on both the surface of Pluto and Charon. The discovery of these canyons on both Pluto and Charon suggest that the two celestial bodies have been connected in the past.

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source: Phys.org