Look at the spectrum of Star 1 which is moving towards Earth and the spectrum of Star 2 which is moving away from Earth. The band in the middle represents the spectrum of a motionless light source
Which of these is a correct inference that can be draw from the observation of the three spectrums?
The spectrum shifts towards the red region when the star moves towards Earth.
The spectrum shifts towards the blue region when the star moves towards Earth
The spectrum is identical for moving stars and motionless stars.
The spectrum is identical for stars moving away from Earth and stars moving towards Earth.
Answers: 2
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Look at the spectrum of Star 1 which is moving towards Earth and the spectrum of Star 2 which is mov...
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