7th Week: Stellar Structure and Evolution B

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Stellar properties

Hertzsprung-Russell Diagram

Hertzsprung-Russell Diagram. Click on image to enlarge.

Its a diagram generated by plotting the luminosity of the stars against their temperature at the surface. Here luminosity is the amount of energy a body radiates per unit time. This quantity is often measured in solar luminosities. One solar luminosity is equal to W.

Stellar evolution

Hydrostatic hydrogen burning

pp chain

CNO cycle