Stars

12345678
Across
  1. 2. center of the sun
  2. 4. star with a diameter up 10 to 100
  3. 5. huge collection of stars
  4. 7. group of star that form a pattern
  5. 8. a huge cloud of dust and gas
Down
  1. 1. force of attraction between objects
  2. 3. core of a supermassive star
  3. 6. imaginary vertical line