Asteroids, also called minor planets or planetoids, are a class of astronomical object.
The term asteroid is generally used to indicate a diverse group of small celestial bodies that drift in the solar system in orbit around the Sun.
The vast majority of asteroids are found within the main asteroid belt, with elliptical orbits between those of Mars and Jupiter.
For more information about the topic Asteroid, read the full article at Wikipedia.org, or see the following related articles:
Asteroid belt The asteroid belt is a region of the solar system falling roughly between the planets Mars and Jupiter where the greatest concentration of asteroid ... >
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Near-Earth asteroid Near-Earth asteroids (NEAs) are asteroids whose orbits are close to Earth's orbit. Some NEAs' orbits intersect Earth's so they pose a collision ... >
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Dysnomia (moon of Eris) Dysnomia, is a moon of the dwarf planet Eris. The satellite is about 60 times fainter than Eris, and its diameter is estimated to be approximately ... >
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Near-Earth object Near-Earth objects (NEO) are asteroids, comets and large meteoroids whose orbit intersects Earth's orbit and which may therefore pose a collision ... >
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Neptune's natural satellites Neptune has 13 known moons. The largest by far is Triton, discovered by William Lassell just 17 days after the discovery of Neptune itself. It took a ... >
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Planet The International Astronomical Union defines "planet" as a celestial body that, within the Solar System that is in orbit around the Sun; has ... >
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Deimos (moon) Deimos is probably an asteroid that was perturbed by Jupiter into an orbit that allowed it to be captured by Mars, though this hypothesis is still in ... >
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Ceres (dwarf planet) Ceres, also designated 1 Ceres or (1) Ceres, is the smallest dwarf planet in the Solar System and the only one located in the main asteroid belt. ... >
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Definition of planet The definition of "planet" has for some time been the subject of intense debate. Although the word dates back thousands of years, no officially ... >
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Gas giant A gas giant is a large planet that is not primarily composed of rock or other solid matter. Gas giants may have a rocky or metallic core—in ... >
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Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Asteroid at Wikipedia.org. See the Wikipedia copyright page for more details.
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