Crossword: Life Cycle of Stars

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Across
  1. 3. _______ Dwarfs are when a star has burned all its fuel and will collapse under the pressure of gravity
  2. 4. When a star reaches a temperature of 10,000,000 degrees C nuclear _______ will begin
  3. 6. _______ star has a relatively high mass
  4. 7. The main sequence phase for a high mass star is _______ than for an average mass star
  5. 8. _______ variable is a star that pulsates rapidly that causes the brightness of the star to change
  6. 10. _______ sequence stars fuses hydrogen to form helium
  7. 11. _______ holes form when the mass of a star is too dense it will continue to collapse on itself
  8. 12. Red _______ are the next step after the main sequence for an average mass star
Down
  1. 1. An H-R _______ plots stars according to their luminosity and temperature
  2. 2. The temperature of a _______ is about 1,500 K
  3. 5. _______ star has a relatively low mass
  4. 7. Due to a giant star exploding
  5. 9. A neutron star is a _______ star