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Which speed of light​

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Answer:

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. If you could travel at the speed of light, you could GO around the Earth 7.5 times in one second.



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