bradywitmier bradywitmier
  • 23-09-2019
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An increase in the observed wavelength of a star indicates which of the following?


A. The star is approaching earth
B. The star is receding from earth
C. The star is not moving relative to earth
D. The star is expanding

Respuesta :

Аноним Аноним
  • 23-09-2019

Answer:

B. The star is receding from earth

Explanation:

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