- In Depth | Moons – NASA Solar System Exploration
Pluto's large moon Charon is about half the size of Pluto Like Earth's Moon, Charon may have formed from debris resulting from an early collision of an impactor with Pluto
- Plutos Largest Moon Gets Its First Official Feature Names
Map projection of Charon, the largest of Pluto's five moons, annotated with its first set of official feature names With a diameter of about 755 miles, the Texas-sized moon is one of largest known objects in the Kuiper Belt, the region of icy, rocky bodies beyond Neptune
- Pluto By the Numbers - NASA Solar System Exploration
Pluto was once our solar system's ninth planet, but has been reclassified as a dwarf planet It's located in the Kuiper Belt
- Planet Compare - NASA Solar System Exploration
NASA’s real-time science encyclopedia of deep space exploration Our scientists and far-ranging robots explore the wild frontiers of our solar system
- Solar System Exploration
Our solar system includes the Sun, eight planets, five officially named dwarf planets, hundreds of moons, and thousands of asteroids and comets Our solar system is located in the Milky Way, a barred spiral galaxy with two major arms, and two minor arms
- By the Numbers - Earths Moon – NASA Solar System Exploration
The distance from the center of an object to its equator The outer or uppermost part of a planet, moon, asteroid, comet or other body The gravitational acceleration experienced at its surface at the equator The speed needed for an object to break away from the gravitational pull of a planet or moon
- Kuiper Belt and Oort Cloud - NASA Solar System Exploration
Eris has a small moon named Dysnomia The discovery of Eris — orbiting the Sun and larger than Pluto (which was then designated the ninth planet) — forced astrono-mers to consider whether Eris should be classified as the tenth planet
- In Depth | Kuiper Belt – NASA Solar System Exploration
Pluto, Eris, Haumea, and Quaoar are all Kuiper Belt objects that have moons One thing that makes binary KBOs particularly interesting is that most of them may be extremely ancient, or primordial, objects that have been altered little since their formation
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