Across
- 1. Our closest start that Provides light and heat
- 3. hole Force of gravity that light can not escape
- 6. A person who travels and works at space
- 8. Known as the snowball of the solar system
- 9. A measurement of time
Down
- 1. Huge spheres of bumming gas
- 2. Are satellites of starts
- 3. bang The concept the universe was formed
- 4. The force of attraction exerted by the mass upon bodies
- 5. A collections of billion starts
- 6. Pieces of rocks and metal that orbit around the sun
- 7. Are satellites of planets