Across
- 2. type of star our solar system orbits around
- 5. satelites designed to study outer space
- 6. frozen water found on Mars, Saturn and moons
- 8. study of life beyond Earth
- 9. small celestial bodies that orbit planets
Down
- 1. A person who studies life in the universe
- 3. A red planet where scientists are searching for life
- 4. a tool used by scientists to look at planets and stars
- 7. book and tv series by Carl Edward Sagan