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 …

2025年11月28日 · 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 …

Because they are smaller, dwarf planets lack the gravitational forces needed to pull in and accumulate all of the material found in their orbits. Each known dwarf planet in our solar system is actually …

2025年4月29日 · Our solar system has five dwarf planets: In order of distance from the Sun they are: Ceres, Pluto, Haumea, Makemake, and Eris.

2025年7月5日 · 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...

2023年1月31日 · Meet the dwarf planets in our solar system. Learn the dwarf planet definition and get a list of bodies that qualify.

2023年4月19日 · The International Astronomical Union currently recognizes five dwarf planets: Ceres, Pluto, Haumea, Makemake, and Eris.

5 日前 · A dwarf planet, however, is not gravitationally dominant and shares its orbital region with numerous other large objects. For example, many dwarf planets exist in the distant Kuiper Belt, where …

2025年3月18日 · 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 …

2025年12月5日 · A dwarf planet is a celestial body that orbits the sun and is spherical in shape, but does not meet all the criteria to be classified as a full-fledged planet.