our universe

123456789101112
Across
  1. 2. our universe is mostly this
  2. 5. the star we orbit
  3. 7. a group celestial bodys that can orbit the sun
  4. 9. a group of celestial bodys that include the sun and planets
  5. 11. a group of billions of stars(three main types)
  6. 12. move around something
Down
  1. 1. spin on a axes
  2. 3. the name of our galaxy
  3. 4. a type of galaxy that has a oval shape
  4. 6. everything known to man kind
  5. 8. a type of galaxy with a center bulge and outer arms that make a spiral shape
  6. 10. a galaxy with no defined shape