Stars and Galaxies

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Across
  1. 3. The layer of the sun from which light is given off.
  2. 6. the layer of the sun above the transition zone.
  3. 9. the theory on how the galaxy was created, in which a large explosion occured and formed many galaxies, including the Milky Way.
  4. 13. star a star that consists of just a dense core that only neutrons can exist.
  5. 14. a star that has expanded from heat to become larger and larger.
  6. 15. A small star that is bright and dull.
Down
  1. 1. a measure of the amount of light Earth recieves.
  2. 2. a connected group of stars that is pinpointable in the night sky.
  3. 4. a cool, dark spot on the sun's surface.
  4. 5. a measure of the amount of light a star gives off.
  5. 7. the distance light travels in a year.
  6. 8. the layer of the Sun above the photosphere.
  7. 10. a spot in space where the gravitational pull is so strong that nothing, not even light can escape it.
  8. 11. the stage in a suns life cycle where it begins to expand and cool.
  9. 12. a large group of stars, gas, and dust held together by gravity.