"It's half Pluto's size and 12% of its mass, which makes it much more similar to the Earth's moon than any other moon in the solar system." For comparison, our moon is just a quarter of the size ...

"It's half Pluto's size and 12% of its mass, which makes it much more similar to the Earth's moon than any other moon in the solar system." For comparison, our moon is just a quarter of the size ...

“The only comparable system is Earth and its moon ... in the formation of Pluto’s four other known moons — Nix, Styx, Kerberos and Hydra — which are tiny compared with Charon and ...

The first observations of Pluto by NASA’s James Webb Space Telescope (JWST) reveal dramatic phenomena on its surface, like ...

This composite image of Pluto, right, and Charon, its largest moon, showcases photos captured ... sizes of orbiting moons and moonlets out there compared to other parts of the solar system.

For decades, astronomers have tried to determine how Pluto acquired its unusually large moon Charon, which is about half the size of the dwarf planet. Now, new research suggests that Pluto and ...

A researcher has used advanced models that indicate that the formation of Pluto ... Moon sometime later," said Dr. Adeene Denton, who led the research, published in Nature Geoscience. "In ...

The distance between Charon and Pluto is about 12,200 miles (19,640 km), compared to the 238,855 miles (384,400 km) on average separating Earth from its moon. Most of Charon's surface is gray ...