Answers

2014-03-03T17:24:12+05:30
Asteroids are made of metals, while comets are made up of ice and dust
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2014-03-05T20:46:04+05:30
 Asteroids are big rocky and irregular celestial bodies revolving around sun between the orbits of Mars and Jupiter . They revolve together in a belt like structure called asteroid belt.
Comet is a small body of ice and dust revolving around sun in its elongated orbit and it has a tail . When a comet approaches sun it heats up and leaves behind a stream of hot gases and dust called its tail . For example : Halley's comet
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