Is 890.80 feet per second as fast as The Speed of Light?
It's about 0.0000009 times as fast as The Speed of Light
The speed of The Speed of Light is about 983,571,056.430450 feet per second.
(C) (in a vacuum)
The speed of light (and all other electromagnetic radiation) in a perfect vacuum is known as "c" and measures 983,571,056.430450 feet per second, per the formal definition of the meter. While visible light travels close to this speed in air, it slows to 655,714,037.631230 feet per second when passing through the glass of a typical window.
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