Pluto may have got romantic to capture its largest moon, colliding and engaging in a passionate but icy 10 hour kiss with Charon billions of years ago. When you purchase through links on our site ...

As the gatekeepers to the Kuiper Belt, Charon and Pluto are a unique double dwarf planet system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

(CNN) — 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 ...

Charon also has an abnormally circular orbit of Pluto, with its orbital eccentricity (a value between 0 and 1, where 0 is a perfect circle and 1 is an open-ended parabola) only being about 0.000161.