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Science

How fast is light?

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ANSWER

Light travels 671 million miles or 1.08 billion kilometres in one hour. Commonly, the speed of light is also represented as 3.8 meters per second.

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The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second), and in theory nothing can travel faster than light. In miles per hour, light speed is, well, a lot: about 670,616,629 mph...

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