Solar system | Definition, Planets, Diagram, Videos, & Facts
5 days ago · 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; comets and other icy bodies; and vast reaches of highly tenuous gas and dust known as the interplanetary medium.
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, Haumea, Makemake, and Eris.
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, Haumea, Makemake, and Eris.
Solar System - Wikipedia
There is a strong consensus among astronomers [ e ] that the Solar System has at least nine dwarf planets: Ceres, Orcus, Pluto, Haumea, Quaoar, Makemake, Gonggong, Eris, and Sedna. There are a vast number of small Solar System bodies, such as asteroids, comets, centaurs, meteoroids, and interplanetary dust clouds.
Planets 101: What they are and how they form | Astronomy.com
Oct 18, 2023 · A quick guide to planets, including the eight in our solar system, how they form, and how many could be in the universe.
Solar System - National Air and Space Museum
Our Solar System consists of 8 planets, several dwarf planets, dozens of moons, and millions of asteroids, comets, and meteoroids. They are all bound by gravity to the Sun, which is the star at the center of the Solar System.
Solar System Facts - Science@NASA
Our solar system includes the Sun, eight planets, five officially named dwarf planets, and hundreds of moons, and thousands of asteroids and comets. Our solar system is located in the Milky Way, a barred spiral galaxy with two major arms, and two minor arms.
Astronomy - Solar System, Planets, Stars | Britannica
Nov 17, 2024 · Astronomy - Solar System, Planets, Stars: The solar system took shape 4.57 billion years ago, when it condensed within a large cloud of gas and dust. Gravitational attraction holds the planets in their elliptical orbits around the Sun.
Solar system planets, order and formation — a guide | Space
Aug 27, 2024 · The order of the planets in the solar system, starting nearest the sun and working outward is the following: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and...
Planet | Definition, Characteristics, & Facts | Britannica
Dec 16, 2024 · Of the eight currently recognized planets of the solar system, the inner four, from Mercury to Mars, are called terrestrial planets; those from Jupiter to Neptune are called giant planets or Jovian planets.