stars age calculate also with its color(for beginners ).

  • lets, we test come to your roof or balcony you can see a large number of stars with different colors.
  • Normally these colors caused by scattering. Without scattering stars classified as two classes
  1. blue star-have more energy but short life period
  2. red star  – have low energy but a long lifetime 
  • We have a simple example of it is gas cylinder the cylinder is full the flame burns red it becomes low the color changes into red
  • similar way stars do. If it loses fuel the star changes color from blue to red 

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