Question

Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in
A.4.2 seconds
B.42 seconds
C.4.2 years
D.42 years

Answer 1

Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 years

Answer 2

Hi there,

Answer is Option C.