How far is a light year (the distance light travels in a year)?
A. 186,000 m
B. 3.0 ˛ 108 m
C. 8.7 ˛ 1013 m
D. 9.5 ˛ 1015 m
Answer:D
How far is a light year (the distance light travels in a year)?
A. 186,000 m B. 3.0 ˛ 108 m C. 8.7 ˛ 1013 m D. 9.5 ˛ 1015 m