Across
- 3. Natural or artificial body in orbit
- 5. Streak of light from meteoroid as it enters Earth's atmosphere
- 6. Instrument used for viewing distant objects
- 8. A person training to be part of a space crew
- 10. First name of the first man on the moon
- 11. A meteoroid that hits Earth's surface
- 13. All planets orbit the ________
- 14. First animal in space
- 17. First American woman in space
- 18. American agency dedicated to space exploration
Down
- 1. Rocky or metallic objects in space
- 2. Another word for revolution
- 3. The name of the competition between US & Russia
- 4. Gravity pulls objects towards the _____ of Earth.
- 5. 4th planet from the Sun
- 7. Located between Mars and Jupiter
- 9. Small objects mostly made of ice
- 12. Larget planet in our solar system
- 15. Pluto is classified as a ________ planet
- 16. The name of our galaxy