Across
- 2. an imaginary line going through earth's center
- 7. everything revolves around the sun
- 8. brightest star in the sky
- 10. the end of some stars' lives
- 11. ancient tool used to tell time
Down
- 1. a unit to measure distance between stars
- 3. a noncontact force
- 4. a group of stars that form a picture
- 5. heaviness of an object based on gravity
- 6. almost a full moon
- 9. where a star's energy comes from
- 10. an eclipse that goes sun moon earth
- 11. the brightest star in our universe