space

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Across
  1. 1. Space filled with gas and dust
  2. 4. what we get from the sun
  3. 6. dinosaurs went extinct ______ of years ago
  4. 7. a theoretical stellar remnant, specifically a white dwarf that has cooled sufficiently to no longer emit significant heat or light.
  5. 9. all of space, and all the matter and energy that space contains
  6. 11. Is the lightest color and is achromatic
  7. 12. A group of stars and planets
Down
  1. 1. forms after a star has run out of hydrogen fuel for nuclear fusion, and has begun the process of dying
  2. 2. What we see in the night sky
  3. 3. gas in a balloon that floats
  4. 4. gas
  5. 5. what we see everyday on objects
  6. 7. I'm ____ Da ba dee da ba di
  7. 8. what travels from the sun to the earth in the speed of light
  8. 10. WAY Our galaxy