Across
- 3. Second planet from the Sun
- 4. Giant cloud of gas and dust in space
- 6. Vehicle used to travel beyond Earth's atmosphere
- 7. Planet famous for its prominent rings
- 8. Earth's natural satellite
- 11. Largest planet in the solar system
- 13. Habitable structure orbiting Earth
- 16. Path followed by an object around another object
- 17. Powerful explosion of a dying star
- 18. Planet known as the Blue Planet
- 19. Famous space telescope launched in 1990
- 20. Galaxy that contains our solar system
- 22. Instrument used to observe distant celestial objects
- 24. Farthest major planet from the Sun
- 25. Event when one celestial body blocks another
- 26. Force that attracts objects toward each other
- 27. Another term for the universe
Down
- 1. Star at the center of our solar system
- 2. Person trained to travel in space
- 5. Region of space with extremely strong gravity
- 8. Streak of light produced when space debris enters Earth's atmosphere
- 9. Rocky body orbiting the Sun
- 10. Ice giant that rotates on its side
- 12. Planet often called the Red Planet
- 13. Object that orbits a planet or star
- 14. Icy object that develops a tail near the Sun
- 15. Massive collection of stars, gas, and dust
- 20. Closest planet to the Sun
- 21. NASA program that landed humans on the Moon
- 23. Bowl-shaped depression on a planetary surface