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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Rahul kumar
The Asteroid Belt, lies between Mars and Jupiter and consists of hundreds of thousands of rocks, with all kinds of different shapes, ranging in size from very large to very small (size of dust particles). The Kuiper Belt consists of Icy rocks, and it a major source of short-period Comets in the Solar system. Extending beyond the planet Neptune, Pluto was discovered to be one of the largest objects in the belt. Oort cloud is a collection of Comets, thought to extend far beyond the planets of the Solar System. Oort comets are distributed spherically about the Sun, possibly extending as far as half way to the next star. The Oort orbits are not regular or planar like the Asteroid and Kuiper belts, and are often perturbed through gravitational interactions during their long journeys on highly eccentric orbits.