1 answer

When viewed by an observer on the Earth, light from a distant galaxy is Doppler shifted...

Question:

When viewed by an observer on the Earth, light from a distant galaxy is Doppler shifted to the red such that the ratio of the unshifted frequency to the observed frequency is 1.6. What is the galaxy's speed relative to the Earth?


Answers

The un shifted frquency to the observed frequency are related to each other as 1.6 C v-0.31%-0.375 (3.0x10° m/s)-1.125x 10° m

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