The speed of light is 186,282.4 miles (299,792,458 meters) per second, or about 671 million miles (1,080 million kilometers) per hour.
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« Back to Glossary Index
The speed of light is 186,282.4 miles (299,792,458 meters) per second, or about 671 million miles (1,080 million kilometers) per hour.
« Back to Glossary Index
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