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 planets of the Solar System.

2025年3月12日 · Our solar system has five dwarf planets. In order of distance from the Sun they are: Ceres, Pluto, Haumea, Makemake, and Eris. Pluto and other dwarf planets are a lot like regular planets. So what’s the big difference? The International Astronomical Union (IAU), a world organization of astronomers, came up with the definition of a planet in 2006.

According to the International Astronomical Union (IAU), there are 8 planets and 5 officially recognized dwarf planets in our solar system. These 8 planets are “Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune”.

A description of each of the solar system dwarf planets and the history of our knowledge of them.

There are eight "classical" planets and 19 widely-recognized (but not univerally accepted) dwarf planets in our solar system. These are the eight planets that have been known for hundreds if not thousands of years.

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

Interactive Live 3D Map of all known dwarf planets: Ceres, Haumea, Makemake, Eris and Gonggong. Pluto is sometimes also classified as a Dwarf planet. Where are the Dwarf Planets? 3D Web App.

2017年10月28日 · Dwarf planets are worlds too small to be full-fledged planets, but too big to fit in smaller astronomical categories. Pluto, the most famous dwarf planet, lost its planet status in 2006.

There a currently five officially classified dwarf planets in our solar system. They are Ceres, Plut, Haumea, Makemake and Eris. Ceres is located inside the asteroid belt between the orbits of Mars and Jupiter, while the other dwarf planets are located in …

2024年3月29日 · Our solar system has eight planets, and five officially recognized dwarf planets. Which planet is biggest? Which is smallest? What is the order of the planets as we move out from the Sun? This is a simple guide to the sizes of planets based on the equatorial diameter – or width – at the equator of each planet. Each planet’s width is compared to Earth’s equatorial …