5 General Science U2 L3 Stars and Galaxies

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Across
  1. 1. Stars have a wide range of ____
  2. 3. This is when large amounts of dust and gas are pressed together
  3. 5. These galaxies are brightest at their center
  4. 8. Stars are classified by their ____
  5. 9. Starts from when ____ causes gas and dust particles in space to pull together
  6. 10. This is the study of objects in space and their characteristics
  7. 11. ____ galaxies do not have any particular shape
  8. 13. This astronomer was the first to study galaxies
  9. 14. These are huge balls of hot glowing gases
Down
  1. 2. ____ galaxies are pinwheel like group of stars
  2. 4. These people study space and everything in it
  3. 6. This is a group of billions of starts
  4. 7. Galaxies are separated by large ____
  5. 12. The ____ is a star