Question

Proxima Centauri is the closest star to earth after the sun and is located 4.3 light years away from earth. How long does it take light from Proxima Centauri to reach earth?

Answer 1

Answer:

Proxima Centauri is a small, low-mass star located 4.244 light-years (1.301 pc) away from the Sun in the southern constellation of Centaurus. Its Latin name means the "nearest [star] of Centaurus". This object was discovered in 1915 by Robert Innes and is the nearest-known star to the Sun

Explanation: