Solar System - Wikipedia
The Solar System [d] is the gravitationally bound system of the Sun and the objects that orbit it. [11] It formed about 4.6 billion years ago when a dense region of a molecular cloud collapsed, …
Solar System Exploration - NASA Science
The 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, …
Solar system | Definition, Planets, Diagram, Videos, & Facts
6 天之前 · Solar system, assemblage consisting of the Sun and those bodies orbiting it: 8 planets with about 210 known planetary satellites; many asteroids, some with their own satellites; …
The solar system—facts and information - National Geographic
2019年3月27日 · Our solar system is made up of the sun and all the amazing objects that travel around it. Learn more about the planets, asteroids, and comets in our solar system. Skip to …
Eyes on the Solar System - NASA/JPL - NASA's Eyes
Explore the 3D world of the Solar System. Learn about past and future missions.
In Depth | Our Solar System – NASA Solar System Exploration
Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as …
About the Planets - Science@NASA
The 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, …
Solar System Facts - Science@NASA
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 Way, …
The solar system: Facts about our cosmic neighborhood
2022年2月25日 · Here's a look at our solar system, from the scorching surface of Venus to the home of the largest volcano. When you purchase through links on our site, we may earn an …
Science 101: The Solar System - National Geographic Society
2024年12月3日 · Learn facts about the solar system's genesis, plus its planets, moons, and asteroids. How many planets are in the solar system? How did it form in the Milky Way galaxy?