Across
- 3. system consists of the sun, planets, and the moon
- 4. when earth was thought to be the center of the solar system
- 6. belt region of the solar system between mars and jupiter
Down
- 1. effect when toxic gases get trapped in the atmosphere
- 2. rock and ice formed as a small body away from the sun
- 5. loose collecion of rock, ice, and dust particles
- 6. unit how distances within the solar system are measured