Across
- 2. A term used to describe water in solid form
- 3. A measure of the total amount of material in a body
- 5. The path of a celestial body as it moves through space.
- 6. planet closest to the Sun in our Solar System
- 8. The angular distance of an object above the horizon.
- 9. eighth planet from the sun in our solar system
- 10. the second planet from the sun in our solar system
- 11. the red planet, is the fourth planet from the sun and the most Earth-like planet in our solar system
- 13. the seventh planet from the sun in our solar system
- 14. huge group of stars, dust, gas, and other celestial bodies bound together by gravitational forces
- 17. small, icy celestial body that orbits around the sun
- 18. someone who studies astronomy
- 19. The total or partial blocking of one celestial body by another
- 23. rocky or metallic objects, most of which orbit the Sun
Down
- 1. The collapsed core of a massive star
- 3. A word used to describe anything that contains mass
- 4. star located at the center of our Solar System
- 6. meteoroid that has entered the Earth's atmosphere, usually making a fiery trail as it falls
- 7. group of stars that, when seen from Earth, form a pattern
- 11. cold, dry orb whose surface is studded with craters and strewn with rocks and dust orbiting Earth
- 12. fifth and largest planet in our solar system
- 15. force that pulls thing down
- 16. phenomenon in which many meteors fall through the atmosphere in a relatively short time
- 20. sixth planet from the sun in our solar system
- 21. third planet from the Sun in our Solar System
- 22. enormous glowing ball of gas