Asteroid belt - Wikipedia
The asteroid belt is a torus -shaped region in the Solar System, centered on the Sun and roughly spanning the space between the orbits of the planets Jupiter and Mars. It contains a great many solid, irregularly shaped bodies called asteroids or minor planets.
Asteroid belt: Facts & formation | Space
2017年5月5日 · Most of these objects, called planetoids or asteroids — meaning "star-like" — orbit between Mars and Jupiter in a grouping known as the main asteroid belt. The main …
Asteroid Belt Facts and Location Recently updated - Science …
2024年9月10日 · The asteroid belt is between the orbits of Mars and Jupiter, spanning approximately 2.1 to 3.3 astronomical units (AU) from the Sun (1 AU is the average distance from the Earth to the Sun). This zone marks a significant division between the inner, rocky planets and the outer gas giants of our solar system.
Asteroid Facts - Science@NASA
Main Asteroid Belt: The majority of known asteroids orbit within the asteroid belt between Mars and Jupiter, generally with not very elongated orbits. The belt is estimated to contain between 1.1 and 1.9 million asteroids larger than 1 kilometer (0.6 miles) in diameter, and millions of …
The asteroid belt contains solar system remnants - EarthSky
2023年2月7日 · Meet the asteroid belt, a place in our solar system where small bodies – mostly rocky and some metallic – orbit the sun. Sometimes scientists call these little worlds minor planets.
StarChild: The Asteroid Belt - NASA
Many asteroids orbit the Sun in a region between Mars and Jupiter. This "belt" of asteroids follows a slightly elliptical path as it orbits the Sun in the same direction as the planets. It takes anywhere from three to six Earth years for a complete revolution around the Sun.
Asteroid - Orbit, Formation, Classification | Britannica
2024年11月25日 · Four known asteroid groups fall beyond the main belt but within or near the orbit of Jupiter, with mean distances from the Sun between about 3.28 and 5.3 AU, as mentioned above in the section Distribution and Kirkwood gaps. Collectively called outer-belt asteroids, they have orbital periods that range from more than one-half that of Jupiter to ...
Asteroid Belt Facts | What Is It?, How Is It Formed?, How Many
2019年10月8日 · The asteroid belt is a disc shape, located between the orbits of Mars and Jupiter. The asteroids are made of rock and metal and are all irregularly shaped. The size of the objects within the asteroid belt range from being as small as a …
Asteroid Belt: A Planet That Never Formed - Star Walk
2022年7月15日 · The asteroid belt is a region between Mars and Jupiter that hosts most of the Solar System asteroids and marks the boundary between the inner rocky planets and the outer gas giants. It is also sometimes called the main asteroid belt to distinguish it from the Kuiper belt.
What Is The Asteroid Belt? Where Is The Asteroid Belt Located?
2024年6月2日 · The Asteroid Belt orbits the Sun with asteroids, minor planets and dwarf planets that range in size. Apart from the dwarf planet Ceres, which is 950 km in diameter, and asteroids like Vesta, Pallas and Hygiea, which are 525 km, 512 km and 434 km in diameter, respectively, there are more than 200 asteroids with a diameter greater than 100 km.