Across
- 2. A giant star
- 3. an icy object in outer space that develops a long bright ,tail when it passes near the sun
- 5. the 7th planet from the sun
- 9. very large chunks of rock in space that are larger than 100 meters
- 10. a piece of rock or metal that is smaller than 100 meters, that burns and glows brightly in the sky as it falls from outer space into the Earth's atmosphere
- 11. 1930 was a planet, 2006 it was not a planet
- 12. Infinite part of galaxy
Down
- 1. the 8th planet from the sun
- 4. a group of stars that forms a particular shape in the sky and has a given name
- 6. The 10th planet from the sun
- 7. a large ball of burning gas in space that produces light and heat
- 8. A layer of gases surrounding the earth