Across
- 2. Star in our solar system
- 3. Earth's Natural Satalite
- 4. A group of stars
- 5. Evidence that suppots big bank theory showing galaxies moving away from each other
- 8. The force that causes the planets to orbit the sun.
- 9. Theory of the origin of our Universe
Down
- 1. Ice ball that forms a tail as it comes close to the sun
- 2. When all matter in unverse was conatined in a hot and dense point at the start the big bang
- 6. A small rocky body orbiting the sun
- 7. Name of our galaxy