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7 September, 14:58

A giant star has a luminosity of 300 its color is most likely to be

a. yellow red

b. black

c. white

d. blue white

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Answers (1)
  1. 7 September, 15:57
    0
    The correct answer is blue. If you look at a luminosity star chart, called the Hertzsprung Russell Diagram, you will see the measurement of luminosity on the left side, and you will see a curve of stars with different colors (which correlate to the colors of the stars). Look for 30 on the luminosity measurement (look between 1 and 100). Then, move horizontally across the diagram until you hit the stars, whose color will be blue. Thus, blue is the answer.
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