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Physics, 07.08.2019 20:20 antonypaz6583
The speed of light in a vacuum is exactly 299,792,458 m/s. this speed is sometimes used to provide a convenient yardstick for large astronomical distances.(c) a light-year is the distance light travels in one year. the sun is 28,000 light-years from the center of the milky way galaxy. what is this distance in meters?
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The speed of light in a vacuum is exactly 299,792,458 m/s. this speed is sometimes used to provide a...
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