Across
- 3. Celestial object that orbits around a planet
- 5. Mercury, Venus, Earth, Mars
- 6. Moves repeatedly around
- 7. Gases that surround a planet
- 9. Known as the red planet
- 10. Only planet known to support life
Down
- 1. A natural force created by planets that affects objects that are close to or on its surface
- 2. The hottest planet
- 3. 1st planet from the sun
- 4. Like the Earth in some ways
- 8. The shape of a planets orbit around the Sun