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English to Italian translations [PRO] Tech/Engineering - Other / lighting
English term or phrase:ARRAY
Of course, if this theory were true, we would be able to see in the dark...
In 1675, by observing the innermost of the four large moons of Jupiter discovered by Galileo, O. Römer was able to estimate the speed of light at 2.3 x 108 m/s.
A more precise measurement was obtained using an experimental array devised by Léon Foucault: 2.98 x 108. The speed of light in empty space and in air is generally rounded up to 3 x 108 m/s or 300,000 km/s.