How can a red shift look red when there would still be the same amount of blue visible, it’s just the gamma rays which – Search I'm a Scientist. Get me Out of Here!

Question: How can a red shift look red when there would still be the same amount of blue visible, it's just the gamma rays which are just shifted? Because the visible light is just in the middle of the spectrum, surely it wouldn't make a difference?

Asked by on 10 Mar 2016.

Question: How can a red shift look red when there would still be the same amount of blue visible, it's just the gamma rays which are just shifted? Because the visible light is just in the middle of the spectrum, surely it wouldn't make a difference?