Across
- 1. Space rock that burns in Earth's atmosphere
- 4. Icy body with a glowing tail
- 5. Massive system of stars and planets
- 7. Person trained to travel in space
- 9. Man-made object that circles Earth
- 12. Unmanned spacecraft sent to explore
- 13. Section of a spacecraft
- 14. Path a satellite follows around a planet
Down
- 2. Vehicle used to propel spacecraft
- 3. When one celestial body blocks another
- 5. Force that keeps planets in motion
- 6. To send a spacecraft into motion
- 8. Device used to observe distant objects
- 10. Space devoid of matter
- 11. Related to the Sun