Quiz · 4 questions
🔭 Scale — relativity, the cosmos, and what space actually is
Time stretches, gravity curves, space hides 95% of itself.
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Quiz
01What's the experimentally observed property of the speed of light that breaks classical physics?
02Why does GPS need relativity corrections?
03In Einstein's general relativity, what is gravity?
04What's the deeper lesson of dark matter and dark energy?
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