Twinkle Twinkle Little Star

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Across
  1. 4. the amount of years the sun has been in the main sequence
  2. 5. as mass increases " " also increases
  3. 7. what are the hottest stars
  4. 8. the " " sequence
Down
  1. 1. pressure and " " have to do with hydrostatic equilibrium
  2. 2. daily example of hydrostatic equilibrium
  3. 3. luminosity is the" " of a star
  4. 6. how are stars formed