Across
- 3. Seventh planet out from the Sun
- 4. Dwarf planet found in the Asteroid Belt
- 8. A loose collection of ice and dust that orbits the sun, typically in a long, narrow orbit.
- 10. Belt A region of the solar system that is just beyond the orbit of Neptune and that contains small bodies made mostly of ice
- 15. Cloud a spherical region that surrounds the solar system and contains billions of comets
- 16. to spin on an axis
- 17. Belt Collection of asteroids and other debris located between Mars and Jupiter
- 18. A model of the solar system in which Earth and the other planets revolve around the sun
- 23. Second-largest planet in Solar System; large ring systemq
- 24. A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere.
- 25. A model of the universe in which Earth is at the center of the revolving planets and stars.
- 26. Planets Jupiter, Saturn, Uranus, Neptune
- 27. a small, rocky body that travels through space
Down
- 1. "The Red Planet," with four moons and an iron-rich crust
- 2. any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)
- 5. Planet, 1930-2006
- 6. Closest planet to the Sun
- 7. Farthest-out major planet
- 9. system the sun and all of the planets and other bodies that travel around it
- 11. Rings, the Great Red Spot, and many moons.
- 12. A force of attraction between objects that is due to their masses, and that increases in proportion to their masses
- 13. All of space and everything in it
- 14. A meteoroid that passes through the atmosphere and hits Earth's surface.
- 19. Planets Mercury, Venus, Earth, Mars
- 20. A collection of stars, dust, and gas bound together by gravity
- 21. "Earth's Twin," except for the enormous air pressure and toxic atmosphere
- 22. to move around another object in a circular path