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22 December, 23:55

What determines all the star's properties such as its temperature, size, brightness and life span?

a. Weight b. Mass c. Diameter d. Luminosity

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  1. 23 December, 03:35
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    The correct answer to the question that is stated above is letter d. Luminosity.

    Luminosity is the total energy that star produce in one second, depending on both the radius of the star and on its surface temperature. Thus, all the star's properties such as its temperature, size, brightness and life span is determined by its luminosity.
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