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Science

How long does it take sunlight to reach earth?

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The light from the sun takes an average of eight minutes and twenty seconds to reach earth.

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The International Astronomical Union has redefined the AU, the distance between the Earth and the sun. The new definition is now a fixed number of 149,597,870,700 meters. At lightspeed that's precisely 8 minutes 19.005 seconds for light to reach Earth.

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