| 21. | With spin allowed by general relativity, but not any farther.
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| 22. | In general relativity, the scalar curvature is the Einstein metrics.
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| 23. | It is this simple but crucial result that implies Galilean relativity.
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| 24. | This alternate formulation of special relativity is called de Sitter relativity.
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| 25. | This alternate formulation of special relativity is called de Sitter relativity.
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| 26. | These equations, together with the mathematical formulation of general relativity.
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| 27. | In 1937 Robertson described the effect in terms of general relativity.
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| 28. | Loop quantum gravity has a diffeomorphisms of general relativity is implemented.
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| 29. | Initially quantum mechanics was developed without considering the theory of relativity.
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| 30. | General relativity has developed into an essential tool in modern astrophysics.
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