Across
- 4. massive amount of stars
- 5. natural science that deals with the study of celestial objects, planets
- 6. instrument that aids in the observation of remote objects
- 9. reverse motion that planets take from east to west
- 10. mooon is between sun and earth
- 12. eclipse takes place when the earth is directly between sun and moon
- 13. newton discovered this
- 14. path something takes when moving around another object
Down
- 1. the galaxy we live in
- 2. no light can escape this
- 3. sun centered universe
- 4. earth centered universe
- 7. the moons____ affect the tides
- 8. group of stars that form a pattern
- 11. smaller groups of stars