What property of most stars can be determined by their color? please help!
A.) mass
B.) Size
C.) Distance from Earth
D. luminosity

A.Mass

Explanation:

The color of most stars is determined by their surface temperature, which is determined primarily by their mass, and secondarily by their age. This answer pertains to the so-called “main-sequence dwarf” stars. The “giant,” “super-giant” and “white dwarf” classes of “evolved” stars, which are approaching the end of their lives, exhibit temperatures (and colors) that are related to their masses, but not in a simple way.

The color of light that we perceive is related to its frequency.[1] The little rainbow graph and table below shows this relationship for monochromatic or bandwidth-filtered light.

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hope that !         : )