Stars!

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Across
  1. 5. The Sun's fuel used to create its immense heat is a form of ________________ matter.
  2. 7. This color represents the coldest class of stars in space
  3. 8. A super violent process that a star goes through when it runs out of fuel and explodes.
Down
  1. 1. When distances become way too large to ordinarily write down or calculate, a unit called light _________ are used.
  2. 2. A light year is the distance that light travels in one ________________ year.
  3. 3. This color represents the hottest class of stars in space
  4. 4. In terms of actual distance, light travels 6 _____________ miles in one year.
  5. 6. After a star goes supernova, it reduces significantly in size and becomes a white ____________.