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asteroid belt
(redirected from Main belt)

    Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
asteroid belt [′as·tə‚rȯid ‚belt]
(astronomy)
The region between 2.1 and 3.5 astronomical units from the sun where most of the asteroids are found.
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This means the object spends most of its time in the outer region of the Main Belt (aphelion distance = 3.
Asteroid (7102) named for Neil Bone by Miles, Richard / Journal of the British Astronomical Association
Researchers realized in the 1980s that asteroids occupying certain zones, known as resonances, within the outer part of the main belt are profoundly influenced by Jupiter's gravity.
Asteroids get solar push toward Earth by Cowen, R. / Science News
8 million years ago, when a 15-mile-wide asteroid in the main belt region shattered into numerous fragments following a collision.
SwRI Researchers Identify Asteroid Breakup Event in the Main Asteroid ... by Business Wire
 
 
 
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