Sun and Stars

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Across
  1. 1. A burnt out star
  2. 3. Classification for the Sun
  3. 5. Made up of ROYGBIV
  4. 7. The dying stage a average size star
  5. 9. A dead star that still emits light
  6. 10. Stating point of a star's birth
  7. 11. The explosion of a giant star
Down
  1. 1. Gravity is so strong even light can't escape
  2. 2. The ending of a star that is very dense
  3. 4. Distance light travels in one year
  4. 6. The sun is in this stage of its life
  5. 8. A cloud of dust and gas