Across
- 2. It includes many galaxies
- 6. The Milky Way is a type of ________
- 7. The path a planet takes around the sun
- 8. A space object that pulls gravity
- 10. A group of stars that form a picture
- 11. Our galaxy's name
- 13. The planets controlled by the sun
- 16. The force between two objects that have mass
- 17. The line that runs straight across a circle
Down
- 1. A famous theory of how the universe formed
- 3. A famous space telescope
- 4. Large space objects that orbit stars
- 5. The distance light travels in one earth year
- 9. Everything is made up of this
- 12. Balls of ice/rock held by frozen gases
- 14. A rock/metal object that orbits the sun
- 15. A big ball of glowing gas