Across
- 1. something that happens rarely or never
- 3. an event that occurs when a shadow is in second body
- 7. A pattern of stars used to organize the sky
- 8. Galaxy outside of our solar system
- 10. vast collection of stars, gas, and dust
- 11. two stars that lie very close
Down
- 2. happens twice a year
- 4. mass that is so dense nothing can escape
- 5. A vast collection of stars, gas, and dust typically 10,000-100,000 light years away
- 6. dirty snowball
- 9. The average distance from earth to the sun
