скорость света =
299 792 458 м / с |
The speed of light in vacuum, commonly denoted c, is a universal physical constant that is exactly equal to 299,792,458 metres per second According to the ... Variable speed of light · Speed of light (disambiguation) · Speed of gravity · Starlight |
Light travels at a constant, finite speed of 186,000 mi/sec. A traveler, moving at the speed of light, would circum-navigate the equator approximately 7.5 times ... |
the speed at which light travels in a vacuum (= a space in which there is no matter) and which is considered to be the maximum speed according to known physical ... |
The speed of light is a universal constant and does not depend on the speed of light relative to an observer. It is always measured at 300,000 km/sec by any ... |
is the maximum speed at which all energy, matter, and physical information in the universe can travel. It is the speed of all massless particles such as photons ... |
This makes the speed of light exactly 299,792.458 km/s. (Also, because the inch is now defined as 2.54 centimetres, the speed of light also has an exact value ... |
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