Across
- 4. a small rock that orbits the sun
- 5. sun, planets, and all the other objects that revolve around the sun
- 7. Jupiter, Saturn, Neptune and Uranus
- 9. A mixture of gases that surrounds a planet or moon
- 10. something that looks like shooting stars.
- 12. the largest planet
- 13. giant and shiny balls
Down
- 1. a system of millions or billions of stars, together with gas and dust together by gravity
- 2. something that orbits planet
- 3. that goes through the atmosphere and hits Earth's surface.
- 5. continuous area or expanse which is free, available
- 6. the center of solar systemA meteoroid
- 8. An object that orbits the sun and is spherical, but has not cleared the area of its orbit.
- 11. the planet we live on.