Across
- 2. A creature from outer space
- 4. A vehicle that travels into space
- 5. The red planet, fourth from the Sun
- 6. A space rock with a tail that orbits the Sun
- 7. The star at the center of our solar system that gives us light and warmth
- 10. A bright object in the sky at night that shines because it's very hot
- 11. An object that orbits planets, including natural ones like the moon or man-made ones for communication
- 12. The path an object takes as it moves around another object in space
Down
- 1. The large, empty area that exists beyond Earth's atmosphere
- 3. The planet we live on
- 5. The natural satellite that orbits the Earth and shines at night
- 8. Unidentified flying object; often associated with aliens
- 9. A huge group of stars, dust, and gas held together by gravity; our home is the Milky Way