With Charon being half Pluto’s size, experts have struggled to explain how it ended up in the dwarf planet’s domain. Now, a team of researchers has suggested that Pluto may have secured Charon ...

The reason Pluto's relationship with Charon has been challenging to scientists is because of the relatively small difference in size and mass between the two icy bodies. "Charon is HUGE relative ...

Pluto has a mass of 1.3 x 10 22 kilograms and a diameter of 1,477 miles (2,377 kilometers), whereas Charon has a mass of 1.6 x 10 21 kg and a diameter of 753 miles (1,212 km). The two objects are ...

Pluto has five moons, but Charon stands out from the rest. Charon is half the size of Pluto, “making it the largest known moon relative to its parent planet in our solar system,” NASA notes.

Charon measures half of Pluto's diameter, making it approximately 754 miles across. This size ratio makes the Pluto-Charon system a rarity, often referred to as a binary planet system. Unlike ...

7, 2025 — A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that ... that is a large fraction of the size of the main body, unlike other ...

A new study suggests that the origin of Pluto's largest moon was quite different than our own. Here's what you need to know.

The findings, published earlier this month in the journal Nature Geoscience, challenge the widely accepted notion that Pluto and Charon formed the same way the Earth and moon did, with a ...

This story appears in the July 2015 issue of National Geographic magazine. Small, cold, and absurdly far away, Pluto has always been selfish with its secrets. Since its discovery in 1930, the ...

A new theory about Pluto’s largest moon, Charon, could alter how planetary systems are taught in U.S. schools. Scientists suggest that 4.5 billion years ago, Pluto and Charon experienced a "kiss ...