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Peter4075

Apparently, this user prefers to keep an air of mystery about them.

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37 Sun's power density compared to a compost heap Nov 26 '17
32 Don't understand the integral over the square of the Dirac delta function Dec 30 '12
30 Why do objects follow geodesics in spacetime? Apr 24 '12
15 Books for general relativity Jan 31 '12
11 Hubble time, the age of the Universe and expansion rate Apr 7 '12
9 Why doesn't dark energy vary with time? Mar 30 '12
7 Nature of spacetime 4-vector and tangent space? Jun 17 '11
7 Trying to understand the weak gravitational field metric (1) Sep 10 '11
7 Geodesic deviation equation - why does the ordinary second derivative give the correct answer? Oct 17 '14
6 Schwarzschild metric Sep 28 '11
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