How long does it take for sunlight to reach the earth?

By Forinfos - 22/10/2025 - 0 comments

It takes about 500 seconds for sunlight to reach the Earth. This means that when the sun rises, the light that reaches the Earth is already 8 minutes and 20 seconds old.

The speed of light is 3,000,000 kilometers per second. The average distance between the Earth and the sun is approximately150,000,000 kilometers. The path of the Earth around the sun is not a perfect circle, so at certain times, the Earth is closer to the sun than at other times. Hence, this distance is an average distance. The time taken for light to reach the Earth can be calculated by dividing the distance between the Earth and the sun by the speed of light.

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