GK
BIG BANG THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What spectra do we use for most stars?
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Absorption
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Emission
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Continuous
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None of the above
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Explanation:
Detailed explanation-1: -Stars have absorption line spectra.
Detailed explanation-2: -A stellar spectrum can reveal many properties of stars, such as their chemical composition, temperature, density, mass, distance and luminosity.
Detailed explanation-3: -Stars are divided into groups called spectral types which are based on the strength of the hydrogen absorption lines. The A-type stars have the strongest (darkest) hydrogen lines, B-type next strongest, F-type next, etc.
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