Comets and Asteroids
Comets and Asteroids are huge chunks of rocks or ice.People are afraid of them for a good reason: they might hit the Earth and change the future. This is possible because there is a theory that a comet or an Asteroid hit Earth and made Dinasours extinct. Scientists also think that they are the remains of the big bang.
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Comets
Asteroids
Comets are cold lumps of a mixture of ice and rocks.They are always flying everywhere! At the end of them they have a tail called a coma. The coma is always not facing the Sun.
Scientists have found more than 90,000 Asteroids from the formation of the solar system about 4.6 billion years ago.Asteroids are not planets however can still have moons.
