Differences asteroids and comets Asteroids are the debris remaining stones and other solid objects. The asteroid is due at the time a lot of big-bang rock fragments and other substances that are not unified. solid objects together into planets, while still in the form of small pieces that do not blend called Asteroid. Asteroids rarely come out of its orbit that lies between the planet jupiter and mars. but if an asteroid hit the planet is very big impact. Comets are celestial bodies which consist of helium, mother of ice, dust, carbon monoxide, and soil. different from asteroids, comets are not solid objects but the object 75% of gas. comet tail comes from substances in the comet that vaporized because the heat of the sun. belt comets from the outer orbit in our solar system. more precisely between Neptune and Pluto. The most famous comet is Halley's comet. This comet came 76 years to visit our solar system. This comet was never hit anything.
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