Solar System - Wikipedia
WEBThe Solar System is the gravitationally bound system of the Sun and the objects that orbit it. It was formed 4.6 billion years ago when a dense region of a molecular cloud collapsed, forming the Sun and a protoplanetary disc.
Solar System Exploration - NASA Science
WEBSolar System Overview. The solar system has one star, eight planets, five dwarf planets, at least 290 moons, more than 1.3 million asteroids, and about 3,900 comets. It is located in an outer spiral arm of the Milky Way galaxy called the Orion Arm, or Orion Spur.
Solar system | Definition, Planets, Diagram, Videos, & Facts
WEB4 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.
The solar system—facts and information - National Geographic
WEB27 Mar 2019 · The solar system, explained. Our solar system is made up of the sun and all the amazing objects that travel around it. The universe is filled with billions of star systems. Located inside...
Solar System 101 | National Geographic - YouTube
WEBHow many planets are in the solar system? How did it form in the Milky Way galaxy? Learn facts about the solar system’s genesis, plus its planets, moons, and...
Planets of our Solar System - BBC Bitesize
WEB7 Dec 2000 · Learn about the different planets in our Solar System. Find out their size, temperature and distance from the Sun in this Scotland Second Level Science article.
Solar System Scope - Online Model of Solar System and Night Sky
WEBOnline 3D simulation of the Solar System and night sky in real-time - the Sun, planets, dwarf planets, comets, stars and constellations.
Solar System: Facts - NASA Science
WEBOur solar system is made up of a star, eight planets, and countless smaller bodies such as dwarf planets, asteroids, and comets. Our solar system orbits the center of the Milky Way galaxy at about 515,000 mph (828,000 kph). We’re in one of the galaxy’s four spiral arms.
In Depth | Our Solar System – NASA Solar System Exploration
WEBOur 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 Pluto; dozens of moons; and millions of asteroids, comets, and meteoroids.
Eyes on the Solar System - NASA/JPL
WEBExplore the 3D world of the Solar System. Learn about past and future missions.
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