Seudónimo Seudónimo

25-05-2018
Physics

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When a light source like a star or group of stars is moving away from the Earth, the wavelengths of the light change, and a __________ is observed.

A. blue shift
B. red shift
C. ozone effect
D. all of the above
E. none of the above

Respuesta :

Mfonseca150 Mfonseca150

25-05-2018

B) Red Shift

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