How do spectrographs help astronomers classify stars?
Understand the Problem
The question is asking how spectrographs are utilized by astronomers to classify stars, specifically wanting to identify the key function of spectrographs in this context.
Answer
They analyze the composition of stars.
The final answer is: They analyze the composition of stars.
Answer for screen readers
The final answer is: They analyze the composition of stars.
More Information
Spectrographs analyze light from stars to identify elemental composition, helping classify stars by their spectral class and determining their properties.
Tips
A common mistake is to confuse brightness or color evaluation with spectroscopic analysis, which is primarily about composition based on absorbed or emitted light.
Sources
- What does a spectrograph help astronomers determine? - Socratic - socratic.org
- The Spectra of Stars (and Brown Dwarfs) | Astronomy - courses.lumenlearning.com
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