Across
- 4. study planets, stars, and other celestial bodies
- 8. the earth __
- 9. planet that are close to the sun
Down
- 1. planets what is far from the sun but in the solar System __
- 2. the earth spins on its ___
- 3. where did the astronaut step on first ___
- 5. the curved path of a celestial object is a ___
- 6. what make through the path of the earth is a __
- 7. frozen leftovers from the formation of the solar system composed of dust, rock, and ices is a ___
