The diameter of the Milky way is about 100000 light years. How many meters is the diameter of the Milky way

Light year is a unit of length, which represents the length of a year
100000 light years = 100000 * 3.0 * 10 ^ 8 * 365 * 24 * 60 * 60 = 9.4608 * 10 ^ 20m
Generally speaking, 1 light year = 9.46 * 10 ^ 15m = 9460 billion km

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