Suppose a galaxy is moving away from Earth at a speed of 0.78c. It emits radio waves of 0.680 m. What wavelength would we detect on Earth? with a wavelength

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Suppose a galaxy is moving away from Earth at a speed of 0.78c. It emits radio waves
of 0.680 m. What wavelength would we detect on Earth?
with a wavelength
Transcribed Image Text:Suppose a galaxy is moving away from Earth at a speed of 0.78c. It emits radio waves of 0.680 m. What wavelength would we detect on Earth? with a wavelength
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