Stars

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Across
  1. 4. a reddish-orange star that has high mass
  2. 5. longest stage of a stars life
  3. 7. when a white dwarf loses it's energy it becomes this
  4. 10. has 3 times as mass of the sun and as big as the earth
Down
  1. 1. this has such intence grvity that nothing can escape
  2. 2. a redish star that has low mass
  3. 3. when a super giant explodes it become this
  4. 6. The earliest stage of a stars life
  5. 8. the center of a star
  6. 9. a large cloud of gas and dust