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If we witness events taking place on the moon, where gravitation is weaker than on Earth, would we expect to see a gravitational red shift or a gravitational blue shift? and Explain please

a)blue shift
b)red shift
c)no shift

  • Physics Help - ,

    The moon is hardly moving toward/away from an observer on the Earth.

  • Physics Help - ,

    So is there no shift? and if so why is that the case?

  • Physics Help - ,

    We expect to see a gravitational blue shift. Events on the moon run a bit faster and also because Earth's gravitational field is stronger than moon's.

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