The speed of light in a vacuum is approximately 299,792 kilometers per second (186,282 miles per second). Podcast By  cover art

The speed of light in a vacuum is approximately 299,792 kilometers per second (186,282 miles per second).

The speed of light in a vacuum is approximately 299,792 kilometers per second (186,282 miles per second).

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The speed of light in a vacuum is approximately 299,792 kilometers per second (186,282 miles per second).
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