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  1. Pluto & Dwarf Planets - Science@NASA

    Apr 29, 2025 · Our solar system has five dwarf planets: In order of distance from the Sun they are: Ceres, Pluto, Haumea, Makemake, and Eris.

  2. About the Planets - Science@NASA

    May 28, 2025 · Our solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are five officially recognized dwarf planets in our solar system: …

  3. Space Shorts: What is a Dwarf Planet? - NASA Science

    May 11, 2015 · There may be dozens of dwarf planets in our solar system. So far, we've classified just a handful -- most of them are very far away. Pluto is the most famous, but closer to home …

  4. Ceres - Science@NASA

    Apr 29, 2025 · A curated collection of resources about dwarf planets, including activities that can be done at home, as well as videos and animations, images, printable graphics, and 3D …

  5. Pluto and Dwarf Planet Resources - Science@NASA

    Aug 26, 2025 · The International Astronomical Union (IAU) has recognized five dwarf planets: Pluto, Ceres, Haumea, Makemake, and Eris. But there may be many more waiting to be …

  6. Pluto - Science@NASA

    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 …

  7. Solar System Exploration - Science@NASA

    Sep 30, 2025 · 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 …

  8. Kuiper Belt - Science@NASA

    Mar 12, 2025 · The Kuiper Belt The Kuiper Belt is a doughnut-shaped region of icy objects beyond the orbit of Neptune. It is home to Pluto and most of the known dwarf planets and …

  9. Ceres: Facts - NASA Science

    Apr 22, 2025 · Dwarf planet Ceres is the largest object in the asteroid belt between Mars and Jupiter, and it's the only dwarf planet located in the inner solar system. It was the first member …

  10. What is a Planet? - Science@NASA

    Mar 12, 2025 · Eris, Ceres, Pluto, and two more recently discovered KBOs named Haumea and Makemake, are the dwarf planets recognized by the IAU. There may be another 100 dwarf …