• Our Solar System 10.6.2021 VIDEO: The 8 planets plus Pluto with planetary axis tilt • Our solar system is made up of a star—the Sun—eight planets, 200 moons, a bunch of comets, asteroids and space rocks, ice, and several dwarf planets, such as Pluto. The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Mercury is closest to the Sun. Neptune is the farthest. Planets, asteroids, and comets orbit our Sun. They travel around our Sun in a flattened circle called

The missions of our New Frontiers Program are already unlocking the secrets of asteroids, Jupiter and the far reaches beyond Pluto. 🛰 Today we'll unveil the next expedition of exploration. Watch the announcement on NASA Science Live at 4pm ET on this page or http://go.nasa.gov/31ROsEh | NASA Solar System Exploration