Multiple Choice
A star is moving toward Earth at 90% the speed of light.The star emits light,which moves away from the star at the speed of light.What do Earth-based astronomers measure for the speed of this light?
A) c
B) 1.9c
C) 1.2c
D) 0.98c
E) 0.95c
Correct Answer:
Verified
Correct Answer:
Verified
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