Across
- 1. made of stellar dust, gas, stars and solar system
- 4. dust found in space
- 6. objects made from rock that orbit the sun
- 7. the third planet in our solar system
- 9. a person who travels in space
- 11. what are asteroids made of
- 12. closest planet to the sun
Down
- 2. orbit the Sun between the orbits of Mars and Jupiter
- 3. solar____
- 5. planet that have a ring
- 8. force that holds the parts of a galaxy together
- 10. used to describe all of space and everything in it