How fast does light travel from Proxima Centuri to Earth
A)4.2 ly
B)4.2 years
C)$3 × 10^8$ m/s
D)None of the other choices are correct.

Name: How fast does light travel from Proxima Centuri to Earth A)4.2 ly B)4.2 years C)$3 × 10^8$ m/s D)None of the other choices are correct.
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The Answer of How fast does light travel from Proxima Centuri to Earth
A)4.2 ly
B)4.2 years
C)$3 × 10^8$ m/s
D)None of the other choices are correct.

How Fast Does Light Travel from Proxima Centuri to Earth 3×1083 × 10^83×108

How Fast Does Light Travel from Proxima Centuri to Earth $3 × 10^8$