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In Physics / College | 2025-07-05

How do spectrographs help astronomers classify stars?
A. They determine the size of stars.
B. They evaluate the color of stars.
C. They measure the brightness of stars.
D. They analyze the composition of stars.

Asked by blg64549

Answer (1)

Spectrographs help astronomers classify stars by analyzing their spectral lines to reveal their chemical composition, temperature, and motion. This information is crucial for determining a star's classification in different spectral types. Overall, they play a significant role in understanding stellar properties and behaviors. ;

Answered by GinnyAnswer | 2025-07-05

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