STARS

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Across
  1. 2. a visible mass of condensed water vapor floating in the atmosphere
  2. 4. the explosion of a star
  3. 5. space as a whole
  4. 7. a star with a mass and luminosity larger than a dwarf star but smaller than a supergiant
Down
  1. 1. bright and black get big and explode when dying
  2. 3. any one of the very large groups of stars that make up the universe.
  3. 4. yellow dwarf
  4. 6. shines bright in the sky