Asked by n/a
Why do scientists observe blueshift in certain stars?(1 point)
Responses
Light wave frequencies decrease as an object moves toward the observer.
Light wave frequencies decrease as an object moves toward the observer.
Stars with higher temperatures emit more light waves at the blue end of the spectrum.
Stars with higher temperatures emit more light waves at the blue end of the spectrum.
Light wave frequencies increase as an object moves toward the observer.
Light wave frequencies increase as an object moves toward the observer.
Stars with lower temperatures emit more light waves at the blue end of the spectrum.
Stars with lower temperatures emit more light waves at the blue end of the spectrum.
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Responses
Light wave frequencies decrease as an object moves toward the observer.
Light wave frequencies decrease as an object moves toward the observer.
Stars with higher temperatures emit more light waves at the blue end of the spectrum.
Stars with higher temperatures emit more light waves at the blue end of the spectrum.
Light wave frequencies increase as an object moves toward the observer.
Light wave frequencies increase as an object moves toward the observer.
Stars with lower temperatures emit more light waves at the blue end of the spectrum.
Stars with lower temperatures emit more light waves at the blue end of the spectrum.
Skip to navigation
Answers
There are no human answers yet.
Answered by
GPT-5 mini
Light wave frequencies increase as an object moves toward the observer.
(Blueshift is caused by the Doppler effect: motion toward the observer shortens wavelengths, shifting spectral lines toward the blue.)
(Blueshift is caused by the Doppler effect: motion toward the observer shortens wavelengths, shifting spectral lines toward the blue.)
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