Across
- 2. Hole An object squeezed into ball only
- 4. Way A huge group of stars that rotate around a center which sun and solar system are apart of
- 5. A large star dies by explosion
- 7. Distance between an two corresponding points
- 11. All space and matter space contains
- 12. Radiation consisting of electric and magnetic waves
- 14. A change in wavelength that allows us to see things move
- 15. Provides us with visible light
- 16. Used in medical and astronomical
Down
- 1. Electromagnetic waves with very high energy and no mass
- 3. The biggest star that all other planets revolve around
- 5. How fast light travels
- 6. electromagnetic waves
- 8. A galaxy with a bright center and very little dust gas
- 9. A large cloud of gas and dust
- 10. transfer of energy through matter space
- 13. Lanes Dust that appear as dark ribbons against the bright stars