Distances in space are often quoted in units of light-years, the distance light travels in one year. (a) How many meters is a light-year? (b) How many meters is it to Andromeda, the nearest large galaxy, given that it is 2.00× light years away?
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A "light-year" is the distance light (speed = 2.998 108 m/s)travels in one year.(a) How many meters are there in 10.0 light-years?m(b) An astronomical unit (AU) is the average distance from the Sunto Earth, 1.50 108 km. How many AU are there in 10.0light-year?AU(c) What is the speed of light in AU/h?AU/h
A "light-year" is the distance light (speed = 2.998 x 10^8 m/s)travels in one year.(a) How many meters are there in 10.0 light-years?(b) An astronomical unit (AU) is the average distance from the Sunto Earth, 1.50 x 10^8 km. How many AU are there in 10.0light-year?(c) What is the speed of light in AU/h?
A "light-year" is the distance light (speed = 2.998 10^8 m/s)travels in one year.(a) How many meters are there in 7.00 light-years?1(b) An astronomical unit (AU) is the average distance from the Sunto Earth, 1.50 10^8 km. How many AU are there in 7.00light-year?2(c) What is the speed of light in AU/h?3
