GK
BIG BANG THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What determines the color of a star?
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Its size
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Its composition
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Its temperature
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They are all the same color
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Explanation:
Detailed explanation-1: -The surface temperature of a star determines the color of light it emits. Blue stars are hotter than yellow stars, which are hotter than red stars.
Detailed explanation-2: -A star’s colour is related to its surface temperature. The shorter the wavelength of light emitted by a star, the hotter it is. Blue or blue-white light with shorter wavelengths is the hottest. Cooler colours have longer wavelengths, such as red or red-brown.
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