Across
- 3. a scientist who studies stars, planets and outer space
- 6. Way the galaxy that contains Earth and the solar system in which it lies
- 7. the blocking of light from the sun by another heavenly body
- 8. a force that pulls things toward one another
- 9. a round object in space that orbits a star
Down
- 1. that spiral galaxy that is closet to the Milky Way Galaxy
- 2. system the sun, other bodies like asteroids and meteors, and the planets that orbit the sun
- 4. a frozen ball of dust and ice that travels through outer space
- 5. a very large number