approximately how many times could a beam of light travel around the earth's equator in one 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.
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As mentioned above, light travels at an incredible 186,000 miles per second (300,000 km/sec). That's very fast. If you could travel at the speed of light, you would be able to circle the Earth's equator about 7.5 times in just one second!
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