7th Week: Stellar Structure and Evolution B: Difference between revisions
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=Hertzsprung-Russell Diagram= | =Hertzsprung-Russell Diagram= | ||
[[Image:HR.jpg|thumb|300px| Hertzsprung-Russell Diagram. Click on image to enlarge.]] | [[Image:HR.jpg|thumb|300px| 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 <math>3.846x 10^{26}</math> W. | |||
=Stellar evolution= | =Stellar evolution= | ||
Revision as of 01:20, 19 March 2009
Stellar properties
Hertzsprung-Russell Diagram
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.
