Life Cycle Of Stars

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Birth Of Star

  • initially form from clouds ofSTARSandGAS
  • Force Of Gravity makes the dust particles come spiralling together.       - gravitational energy is converted intoHEATenergy + tempRISES
  • When temp gets high enough,HYDROGENnuclei undergo nuclear fusion to formHELIUMnuclei
  • gives out massive amounts ofHEATandLIGHT

Main Sequence Of Star

  • enters a long stable period - where the gravitaional inwards force balances with the convectional outward force. (lasts about 10 billion years)
  • eventually the hydrogen begins…

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