Flying rocks in space
Asteroids are generally larger chunks of rock that come from the asteroid belt between mars and Jupiter. Known asteroids can range in size from 1000 km to the size of pebbles. Asteroids are too small to be classified as planets.
Comets are a mixture of ice and dust. Comets are sometimes called Dirty snowball. The comets ice contains water, methane ammonia, and carbon dioxide.
Meteors Are a streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere. Meteors and Meteoroids are bits of rock (like granite ) and ice.