On one hand, the speed of light is just a number: 299,792,458 meters per second. And on the other, it’s one of the most important constants that appears in nature and defines the relationship of causality itself. As far as we can measure, it is a constant. It is the same speed for every observerContinue reading “Speed of light: History, discovery of reality’s speed limit”
The post Speed of light: History, discovery of reality’s speed limit appeared first on Astronomy Magazine.
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