How long does it take the the light from a star to reach earth?
1 Answer
Mar 4, 2017
Light have a fixed speed of travel in Vacuum. 300.000KM.second.
Explanation:
THe time taken will be depend upon the distances.
Sun 8.3 minutes
Proxima centuari 4.243 years.
Andromeda galaxy 2.5 million years.
