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13 lip 2015 · Nasa's New Horizons mission made a close pass of Pluto this week. For more than 70 years, Pluto was one of nine planets recognised in our Solar System. But in 2006, it was relegated to the status...
Pluto is a small, icy object that orbits beyond Neptune and has five moons. It was once considered a planet, but in 2006 it was reclassified as a dwarf planet by the International Astronomical Union.
Pluto was reclassified as a dwarf planet in 2006 by the IAU because other objects might cross its orbit. Learn more about Pluto's history, features, and missions on NASA's website.
Pluto was once our ninth planet, but is now classified as a dwarf planet. Learn about its size, orbit, moons, atmosphere, exploration and more from NASA's official website.
Pluto was reclassified as a dwarf planet in 2006 because it has not cleared its orbit of debris. Learn about its size, distance, moons, surface, atmosphere, and more from NASA's New Horizons mission.
11 paź 2024 · Learn about Pluto, the dwarf planet in the Kuiper Belt, and its moon Charon. Find out why Pluto is not a planet, how it orbits the Sun, and what NASA's New Horizons spacecraft discovered there.
13 paź 2022 · Learn how Pluto was reclassified as a dwarf planet in 2006, after centuries of being considered a planet. Explore the history, science and debate behind the definition of a planet and its challenges.
