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  1. Dwarf planet - Wikipedia

    A dwarf planet is a small planetary-mass object that is in direct orbit around the Sun, massive enough to be gravitationally rounded, but insufficient to achieve orbital dominance like the eight classical …

  2. Dwarf planet | Definition, Characteristics, & Facts | Britannica

    Nov 28, 2025 · Dwarf planet, body, other than a natural satellite (moon), that orbits the Sun and that is, for practical purposes, smaller than the planet Mercury yet large enough for its own gravity to have …

  3. 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.

  4. What are dwarf planets, and how many are there? | Live Science

    Jul 5, 2025 · In 2006, Pluto was famously demoted from a planet to a dwarf planet. It remains the most famous dwarf planet today, but there are others in our solar system, including potentially hundreds...

  5. Dwarf planets - National Air and Space Museum

    Jun 9, 2020 · A dwarf planet is a planet that orbits the sun, has enough mass for its gravity to form it into a nearly round shape, has not cleared other large objects from the region it crosses during its orbit, …

  6. Dwarf Planets in our Solar System | Royal Observatory

    Currently there are only five dwarf planets confirmed and recognised by the IAU: Pluto, Ceres, Eris, Haumea and Makemake.

  7. Dwarf Planets: Definition, Sizes, Distance, Order, Difference

    Aug 10, 2024 · Five officially recognized dwarf planets exist in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris. Pluto is the largest dwarf planet with a diameter of approximately 2,374 …

  8. The Fascinating World of Dwarf Planets - sciencenewstoday.org

    Mar 18, 2025 · In this deep dive into the world of dwarf planets, we’ll journey through the solar system’s distant reaches, uncovering their mysteries, exploring their peculiarities, and celebrating their role in …

  9. Dwarf Planets in Our Solar System - Science Notes and Projects

    Jan 31, 2023 · Meet the dwarf planets in our solar system. Learn the dwarf planet definition and get a list of bodies that qualify.

  10. Dwarf Planets – Definition & Detailed Explanation - Sentinel Mission

    Dec 5, 2025 · There are currently five recognized dwarf planets in our solar system: Pluto, Eris, Haumea, Makemake, and Ceres. Pluto was once classified as the ninth planet in our solar system, …