Across
- 2. the motion of one object around another because of gravity
- 4. an imaginary line through an object around which it spins
- 9. a large space rock that orbits the sun
- 10. a planet made up of mostly gases
- 11. when the moon passes through the earths shadow
- 13. a group of millions or billions of stars
Down
- 1. a ball of gas that releases light and heat
- 3. the galaxy in which the solar system is located
- 5. an imaginary line halfway between the north and south poles
- 6. planet a planet made up mostly of ice materials
- 7. an attractive force between any two objects that have mass
- 8. a large natural object that orbits a planet
- 12. an event where one object in space blocks another from view
- 13. any phase when more than half of the sunlit side of the moon can be seen