Across
- 1. a robot,used to study Mars
- 3. sucks up anything around it
- 5. a massive, burning ball of gas
- 7. a huge collection of solar systems
- 10. a rock floating in the solar system
- 11. our home
- 12. when the sun covers the moon or vise versa
- 14. someone who studies the universe
Down
- 2. used to take humans to the moon
- 4. someone trained to fly in a spacecraft
- 6. makes far off objects (planets etc) seem closer
- 8. from another planet, not proven to be real
- 9. a celestial body orbiting a star
- 13. man-made, used from GPS's to observing clouds