Posted by **Jake** on Wednesday, May 9, 2012 at 1:29am.

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 -
**bobpursley**, Wednesday, May 9, 2012 at 11:32am
The moon is hardly moving toward/away from an observer on the Earth.

- Physics Help -
**Jake**, Wednesday, May 9, 2012 at 1:07pm
So is there no shift? and if so why is that the case?

- Physics Help -
**Shayal**, Friday, December 14, 2012 at 6:58pm
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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