Distances in space are often quoted in units of light years, the distance light travels in one
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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 × 106 light years away?
(c) The most distant galaxy yet discovered is 12.0 × 109 light years away. How far is this in meters?
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a One light year is equal to 9461 1015 meters b The dis...View the full answer
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