Across
- 2. a celestial object consisting of a nucleus of ice and dust and, when near the sun forms a tail
- 4. the action of rotating around an axis or center
- 5. a celestial body moving in an elliptical orbit around the sun
- 6. a system of millions or billions of stars,together with gas and dust,held together by gravitational attraction
- 9. the natural satellite of earth,visible by reflected light from the sun
- 11. the planets closest to the sun
Down
- 1. system the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteriods,meteriods, and comets
- 3. the planets farthest from the sun
- 7. an imaginary line about which a body rotates
- 8. all existing matter and space considered as a whole; the cosmos
- 10. an instant of revolving
- 12. a small rocky body orbiting the sun. Makes up the asteriod belt