De5llewicki De5llewicki

19-05-2016
Physics

contestada

Compared to a stationary galaxy, light from a galaxy that is moving toward Earth will appear _____.
a. bluer
b. redder
c. the same

Respuesta :

Edufirst Edufirst

27-05-2016

a. Bluer

As per Doppler effect, when the source of light is moving toward the receptor of the light the waves experience "compresssion" increasing the frequency of the way and the color turns bluer, this is known as blueshift.

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