Speed Of Light

Historical Measurements

Effect Of Gravity

Historical Measurements

Before the 17th century scientists believed that there was no such thing as the "speed of light". They thought that light could travel any distance in no time at all. Later, several attempts were made to measure that speed.

Speed Of Light In Gravity

Effect of gravity on the measured speed of light. Einsteins theory of General Relativity.

Light travels in one day the same distance the moon travels in 1000 years

We discovered that in an inertial geocentric frame 12000 Lunar Orbits/Earth Day is equivalent to the speed of light. 

Measurement

Historical measurement of the speed of light

Speed Of Light In Gravity

Effect of gravity on the measured speed of light.

12000 Lunar Orbits/Earth Day

Light travels in one day the same distance the moon travels in 1000 years.

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