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325.20 kilometers per second is about one-nine-hundredth as fast as The Speed of Light
In other words, it's 0.001084750437584 times the speed of The Speed of Light, and the speed of The Speed of Light is 921.87102706026 times that amount.
(C) (in a vacuum)
The speed of light (and all other electromagnetic radiation) in a perfect vacuum is known as "c" and measures 299,792.4580 kilometers per second, per the formal definition of the meter. While visible light travels close to this speed in air, it slows to 199,861.638670 kilometers per second when passing through the glass of a typical window.
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