| Term | Definition |
|---|
| asteroid | small rocky bodies that revolve around the sun |
| asteroid belt | where most asteroids are located |
| outer region asteroids | asteroids have dawk reddish brown-black surfaces, rich in organic material |
| inner region asteroids | light gray, stony or metallic composition |
| comets | balls of ice, rock, and dust with two tails |
| blue | ion tail |
| white | dust tail |
| ion | electrically charged particles |
| dust tail | made of gas and dust, parts of ice |
| only has tail | when it is close enough for the solar wind to blow the ion tail away |
| atom with extra electrons | ion |
| oort cloud is located | in a region surrounding the solar system |
| kuiper belt is located | in a region outside of neptune's orbit |
| oort cloud and kuiper belt | where comets are from |
| meteroid | small rocky body that travels through space |
| small piece of asteroid | meteroid |
Combine with other sets
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