
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.
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: Ceres, …
Pluto and Dwarf Planet Resources - Science@NASA
Nov 20, 2025 · A composite image showing the five dwarf planets recognized by the International Astronomical Union.
Kuiper Belt - Science@NASA
Mar 12, 2025 · 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 some comets.
Planet Sizes and Locations in Our Solar System - Science@NASA
Apr 22, 2025 · The closest dwarf planet to the Sun, and the only dwarf planet in the inner solar system, Ceres orbits the Sun from an average distance of 257 million miles (413 million kilometers) Ceres is …
Eris - Science@NASA
Apr 24, 2025 · The new ruling reclassifies Pluto as a dwarf planet and reduces the number of planets in the solar system to eight. Both Eris and the asteroid Ceres are also classified as dwarf planets.
Solar System: Facts - NASA Science
Mar 12, 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 located in the Milky …
Pluto: Facts - NASA Science
Apr 22, 2025 · Dwarf planet Pluto is a member of a group of objects that orbit in a disc-like zone beyond the orbit of Neptune called the Kuiper Belt. This distant realm is populated with thousands of …
Moons - Science@NASA
May 20, 2025 · Hundreds of moons orbit planets, dwarf planets - even asteroids. As of March 25, 2025, there was a total of 891 confirmed moons in our solar system. Of those, 421 moons are orbiting …
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 models.