Across
- 3. what is H2O
- 6. whats another name for north star?
- 7. whats the biggest star?
- 8. about how many stars are there?
- 10. how many planets are there?
Down
- 1. at least 10 tons of ________ hit the earth everyday
- 2. The plant closest to earth
- 4. earths imaginary line that earth spins around.
- 5. a group of stars that weve given a name to help us find it.
- 9. what moves 300,000 km per second?