If you’ve ever wondered what Einstein’s theory of relativity was all about, you’ve come to the right place.
The general statement of this theory is that the laws of physics are the same for all freely moving observers and objects .
Because the speed of light constantly being 186,000 miles per second is one such law, it means that no matter where you are or where you’re going, the speed with which light reaches you is the same.
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A Brief History Of Time By Stephen Hawking - Book Summary
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Similar ideas to Lesson 2: Due to the constant speed of light, time is not fixed.
The Theory of general relativity suggests that if an object is faster than the speed of light, which is 299,792 km per second, and in a vacuum(no air). This also would mean that such objects would have an infinite mass and a zero-length, which is not possible.
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