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Question 19 of 20:

Select the best answer for the question.
19. Which of the following can be used to determine the temperature of a star?
O A. Light from sunspots
B. Blackbody spectrum
C. Line spectra
O D. The star's magnetic field
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Answer 1

Line spectra is the best way to determine the temperature of a star.

Step-by-step explanation:

The best option to determine the temperature of a star is through line spectra. When light from a star passes through a prism, it produces a spectrum of colored lines. Each element in the star's atmosphere absorbs certain wavelengths of light, creating a unique pattern of lines. By analyzing these lines, astronomers can determine the temperature of the star.

Learn more about Temperature determination of stars