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The speed of the light
The light travels at 300.000km/s.
The exact speed of the light, in the emptiness, is of 299.792.458 meters per second (m/s), although is common to round it to 300.000Km/s. This value is known as “c", from Latin “celéritas”, that means speed.
This is just like 1080000000 Km/h (671080888mph), something abysmal compared with the speed which we can reach with the fastest vehicles quicker that the human being has invented. At this speed, you would go 23 times round the world in a second.
Posted by Curious
