Feb 28 2011

What are the standard units for luminosity in a star?

Category: Science


The luminosity of a star is measured by the total amount of energy/power it emits into space. These measurements of luminosity are acknowledged in watts since it is easier to describe stellar luminosities in comparison to the Sun. The Sun’s luminosity is 3.8 x 10 to the 26th power, watts or LSun.

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