The distance to a hypothetical galaxy is estimated at about 7 × 10^6 light years. A light year is the distance traveled by light in one year; if the speed of light is 3 × 10^8 m/s, about how far is it from our galaxy to this hypothetical galaxy? (1 year = 3.15 × 107 s)

The distance to a hypothetical galaxy is estimated at about 7 × 10^6 light years. A light year is the distance traveled by light in one year; if the speed of light is 3 × 10^8 m/s, about how far is it from our galaxy to this hypothetical galaxy? (1 year = 3.15 × 107 s)


A. 7E+21 m


B. 1E+9 m


C. 7E+22 m


D. 7E+5 m



The answer is :

C. 7E+22 m


Related Posts

Post a comment