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The current stage of life of a star is found through a combination of what following characteristics of the star?

A.
Size (or diameter) of the star, and brightness (or magnitude) of the star

B.
Color (or temperature) of the star, and distance of the star from Earth

C.
Distance of the star from Earth, and size (or diameter) of the star

D.
Brightness (or magnitude) of the star, and color (or temperature) of the star

1 answer

The correct answer is:

D. Brightness (or magnitude) of the star, and color (or temperature) of the star

These two characteristics are crucial for determining the stage of a star's life. The brightness (or luminosity) can help us understand the energy output of the star, while its color (or temperature) indicates its surface temperature and evolutionary state. Together, these factors can provide insights into where the star is in its life cycle.