Pluto's largest moon is hiding billions of years of history in its mountains. πβ°οΈ
By studying mountain ranges on Charon, scientists found evidence that this icy moon once spun far faster than it does today β before gradually slowing down over billions of years until it became locked in place with Pluto, always showing the same face, just like our own Moon does with Earth.
Key facts:
β’ Imagery captured by NASA's New Horizons spacecraft, 2015 flyby
β’ Charon is now "tidally locked" with Pluto
β’ Mountain formations preserved evidence of its faster ancient spin
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