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, …
Solar System - National Air and Space Museum
Aug 7, 2025 · The Solar System, located in the Milky Way Galaxy, is our celestial neighborhood. Our Solar System consists of 8 planets, several dwarf planets, dozens of moons, and millions of …
Dwarf Planets | National Air and Space Museum
The Center for Earth and Planetary Studies (CEPS) at the Smithsonian National Air and Space Museum houses a Planetary Image Facility that contains hardcopy images ranging from the Ranger missions …
Pluto - National Air and Space Museum
Pluto is found in the icy outer edges of our Solar System in what is called the Kuiper Belt. While Pluto is too small to be considered a planet, it is the largest object in the Kuiper Belt.
The Planets in Our Solar System – A Timeline - National Air and Space ...
Oct 8, 2024 · Okay, we can. But we are not going to talk other dwarf planets—there are so many! Ceres, Makemake, Quaoar, and Sedna are some of the larger dwarf planets, just to name a few. But back to …
Small solar system bodies - National Air and Space Museum
May 22, 2024 · Small solar system bodies—along with the Sun, planets, and dwarf planets—help make up our Solar System. Small solar system bodies include things like comets, asteroids, moons, and …
How Did We Discover the Planets? - National Air and Space Museum
Aug 1, 2023 · When you look up you can see the stars, the Moon, and sometimes even other planets! We know what these otherworldly objects are because of centuries of research carried out by curious …
What Makes a Moon a Moon? - National Air and Space Museum
Nov 14, 2024 · What Makes a Moon a Moon? A moon is a planetary body that goes around another planetary body. Usually, this is one or more moons going around a planet, but it doesn’t have to be a …
Exoplanets - National Air and Space Museum
Many of these newly discovered planets are in the Goldilocks Zone where conditions may be right to support life. More Grade Level Grade 5, Grade 6, Grade 7, Grade 8, and Grade 9 Topics Astronomy, …
Our Solar System - National Air and Space Museum
Our solar system has four giant planets: Neptune, Uranus, Saturn, and Jupiter. Giant planets are much larger than Earth—they are unimaginably huge, stunningly beautiful, and sometimes a little weird.