| A | B |
|---|
| asteroid | a piece of rock that orbits in the solar system; not big enough to be a planet and is not a moon |
| asteroid belt | the region between the orbits of Mars and Jupiter, where most of the asteroids are found |
| meteor | a meteoroid that lights up because of friction as it moves through the earth’s atmosphere |
| meteorite | a meteor that does not burn up in earth’s atmosphere and impact’s earth’s surface |
| meteoroid | a chunk of metal or stone that is moving toward earth’s atmosphere |
| comet | a heavenly body that travels round the sun, leaving a long bright trail behind it |
