Across
- 3. rocky object that moves in orbits
- 5. protects the astronauts' body in space
- 7. smaller body that revolves around a planet
- 8. heavenly body with a cloudy tail
Down
- 1. heavenly body that orbits a star
- 2. one characteristic of space
- 4. area outside Earth's Atmosphere
- 6. amount of exercise hours that astronauts do