Newly discovered 'kiss and capture' mechanism explains the formation of Pluto and its largest moon

Jan. 6, 2025
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Pluto and Charon

Billions of years ago, two icy worlds collided. Rather than destroying each other in a cosmic catastrophe, they spun together like a celestial snowman, finally separating but remaining forever linked in orbit. This is how Pluto and its largest moon, Charon, originated, a U of A study finds.