Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.

Pluto may have got romantic to capture its largest moon, colliding and engaging ... "It's a pretty big question since a bunch of other large Kuiper Belt Objects also have large moons, so it ...

Eight of the 10 largest Kuiper Belt Objects have large moons like Charon, Denton said, which means that “kiss and capture” collisions may have occurred across the Kuiper Belt as the solar ...

and Glaciation on Cratering Records of Pluto's Largest Moon Charon: Implications for the Evolution of Kuiper Belt Objects', Earth and Planetary Physics, 6 (6) pages 495–521 (2022) https ...

"Eight out of 10 of the largest [Kuiper Belt objects] have a large mass fraction satellite like Charon," Denton said in an email. "This process might have operated all over the outer solar system ...

Pluto belongs to a group of objects that distantly orbit the sun called the Kuiper Belt, where thousands of icy remnants left over from the formation of the solar system linger. Eight of the 10 ...

Uranus has the craziest tilt in your Solar System. Its tilt is about ninety-eight degrees. That means its north pole is ...

“And that has pretty big implications for the Kuiper Belt as a whole, because eight of the 10 largest Kuiper Belt objects are similar to Pluto and Charon.” For more on this research, see “Kiss and ...