Across
- 5. a cavity in the ground of a celestial object
- 7. the study of everything in the universe beyond Earth's atmosphere
- 8. the time it takes a planet to orbit the sun
- 10. the gravity force that holds the planets in place
- 11. the planet with a Great Red spot that could fit three Earths
- 15. could fit in your pocket and trap you forever
- 19. the partial or total blocking of light of one celestial object by another
- 20. a person trained to pilot a spacecraft
- 21. the third planet from the sun
- 22. one of 12 specific constellations of the zodiac that the sun passes through
- 23. 2000s tv series and theory of the creation of the universe
- 24. program created in 1958 to explore space
- 26. An object intentionally placed into space to orbit a celestial body to collect information
Down
- 1. the smallest planet in our solar system
- 2. the time it takes a planet to turn once on its axis
- 3. the first person to step on the moon
- 4. apart of the mickey mouse club house and is a dwarf planet
- 6. the hottest planet in our solar system
- 9. a group of stars that form a pattern
- 12. a jet engine that operates on the same principle as the firework
- 13. the only planet that rotates on its side
- 14. a streak of light in the sky caused by a meteoroid passing through Earth's atmosphere
- 16. a chocolate bar and the name of our solar system
- 17. the only planet in our solar system not visible to the naked eye
- 18. the force that pulls us to Earth
- 25. the planet with the most moons