The Universe

12345678910111213141516
Across
  1. 5. The _______ is the only star in our solar system.
  2. 7. all of space and everything in it
  3. 8. a galaxy shaped like a disk
  4. 10. year the distance used to measure distances past our solar system
  5. 11. The brightness of a star as it appears from Earth is its ________ magnitude.
  6. 13. the element that stars are mostly composed of
  7. 14. The hottest stars are the color ________.
  8. 15. layer of a star that is visible during an eclipse
  9. 16. where nuclear fusion occurs in a star
Down
  1. 1. As distance increases, gravity ___________.
  2. 2. the shape of our Milky Way galaxy
  3. 3. a force that pulls objects towards each other
  4. 4. The coolest stars are the color ________.
  5. 6. fusion the process that gives energy to stars
  6. 9. a galaxy that has no regular shape
  7. 12. a loop of gas that connect regions between sunspots