The spectral type of a star is directly related to its color. Recall that a star emits light as a blackbody.whichhas a particular shape to its spectrum, as shown in this figure. Based on this, what basic property of a star determines its color (and thus its spectral type)? Choose one: A. age B. radius C. temperature D. composition

Question

The spectral type of a star is directly related to its color. Recall that a star emits light as a blackbody.whichhas a particular shape to its spectrum, as shown in this figure. Based on this, what basic property of a star determines its color (and thus its spectral type)? Choose one: A. age B. radius C. temperature D. composition

Answer 1

The basic property of a star that determines its color (and thus its spectral type) is its temperature. Therefore, the correct answer is:C. temperatureThe color of a star is primarily determined by its surface temperature due to the blackbody radiation it emits. Hotter stars tend to appear blue or white, while cooler stars appear red or orange.

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