How was the speed of light measured first? Considering the fact that the speed of light is the fastest known, how the scientist succeed it first time to measure it
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Watch neal degrass tyson:cosmos
(On netflix)
Its relaxing for when your stressed and or had a stressful day or when you cant fall asleep
(On netflix)
Its relaxing for when your stressed and or had a stressful day or when you cant fall asleep
on June 24, 2018
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umm idk but i can tell you that light years are measured in distance not time :P
on July 17, 2014