Apr 22, 2025 · On average, Pluto’s temperature is -387°F (-232°C), making it too cold to sustain life. Pluto is orbited by five known moons, the largest of which is Charon. Charon is about half the size of …

Pluto's eccentric orbit periodically brings it closer to the Sun than Neptune, but a stable orbital resonance prevents them from colliding. Pluto has five known moons: Charon, the largest, whose diameter is …

Pluto was discovered on February 18th, 1930 by the Lowell Observatory. For the 76 years between Pluto being discovered and the time it was reclassified as a dwarf planet it completed under a third of …

Jan 1, 2026 · Pluto, large, distant member of the solar system that formerly was regarded as the outermost and smallest planet. It also was considered the most recently discovered planet, having …

May 25, 2024 · Pluto is a dwarf planet that was once considered the ninth planet of our solar system. This distant, icy world offers unique insights into the outer reaches of our solar system.

Pluto 101 Pluto is one of the most mysterious and controversial celestial objects in the solar system. Find out what most mystifies scientists and stargazers about this dwarf planet.

Dec 3, 2024 · Pluto is one of the most mysterious and controversial celestial objects in the solar system. Find out what most mystifies scientists and stargazers about this dwarf planet.

Nov 7, 2025 · Discover intriguing facts about Pluto, the dwarf planet that captivates astronomers with its mysteries and distant allure.

Dec 28, 2016 · We will always love you, little Pluto, even if the International Astronomical Union (IAU) dumped you. Show some Plutonic love for the underdog with these interesting and surprising Pluto …

Mar 27, 2025 · Pluto has reddish-brown surface, composed of frozen gases, and its five known moons, with Charon being the largest. Pluto’s discovery in 1930 by Clyde Tombaugh marked a significant …