Across
- 2. The force which keeps planets in their orbits around the Sun
- 4. The ________ belt lies between Mars and Jupiter
- 6. The planets that orbit a star other than our Sun
- 9. The 4 largest Jovian moons were first discovered by
- 10. The dark spots on the moon are called
Down
- 1. The planet whose axis has a 23.5 degree tilt
- 3. Asteroids that share their path with another planet are called ______ asteroids
- 5. An object from which light cannot escape
- 7. Mars has two moons, ______ and Deimos
- 8. The international organization that takes all major decisions related to Astronomy