Pluto has five known moons: Charon, the largest, whose diameter is just over half that of Pluto; Styx; Nix; Kerberos; and Hydra. Pluto and Charon are sometimes considered a binary system …

Apr 29, 2025 · Pluto is a dwarf planet located in a distant region of our solar system beyond Neptune known as the Kuiper Belt. Pluto was long considered our ninth planet, but the …

Scientists believe Pluto's entire moon system formed by a collision between Pluto and another planet-sized body early in the history of the solar system. The smashup flung material that …

Sep 28, 2025 · Its largest moon, Charon, is close enough in size to Pluto that it has become common to refer to the two bodies as a double system. Pluto is designated by the symbol ♇.

Pluto is a Kuiper Belt object, meaning it lies within a thick disc of worlds beyond Neptune. NASA’s New Horizons is the only spacecraft to have visited Pluto. It’s hard not to have a soft spot for …

Pluto now falls into the dwarf planet category because it resides within a zone of other objects that might cross its orbital path, known as the Trans-Neptunian region. Pluto is additionally …

Jun 5, 2025 · When the New Horizons spacecraft swept past Pluto and Charon in 2015, it revealed two amazingly complex worlds and an active atmosphere on Pluto. Those snapshots …

Pluto has five known moons: Charon, Nix, Hydra, Kerberos, and Styx. Pluto and Charon are sometimes described as a binary system because the barycenter of their orbits does not lie …

Sep 25, 2025 · Almost all the planets in our solar system travel around the Sun in nearly perfect circles. But Pluto does not. It takes an oval-shaped path with the Sun nowhere near its center. …

New Horizons had its closest approach to Pluto on 14 July 2015—after a 3,462-day journey across the Solar System. Scientific observations of Pluto began five months before the closest …