Across
- 4. A region of space where gravity is so strong not even light escapes.
- 5. Planet with the most prominent rings.
- 7. Another word for the universe as a whole.
- 9. A person trained to travel in space.
- 10. The path one object takes around another in space.
- 11. A cloud of gas and dust in space, birthplace of stars.
- 13. The only planet known to support life.
- 14. The largest planet, famous for its Great Red Spot.
- 15. Farthest planet from the sun; deep blue and windy.
- 16. A vast system of stars, gas, and dust; we live in the Milky Way one.
Down
- 1. Spins on its side and has a bluish hue.
- 2. Earths "evil twin" with a thick, toxic atmosphere.
- 3. A vehicle used to launch into space.
- 6. "The Red Planet" with the tallest volcano in the solar system.
- 8. An object that orbits a planet, natural or man-made.
- 12. Closest planet to the sun.