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