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19 January, 22:44

What observations would you make to classify a star according to its luminosity?

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  1. 20 January, 01:00
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    The luminosity of a star is determined by the radius and the surface temperature. However, many stars do not radiate a uniform flux-the amount of energy radiated per unit area-across their entire surface. The rapidly rotating star Vega, for example, has a higher energy flux at its poles than along its equator.
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