Peter4075

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560 reputation

18

bio	website
	location	United Kingdom
	age
visits	member for	1 year, 11 months
	seen	May 10 at 17:51
stats	profile views	108

I live in Essex, England.

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29 Questions

votes activity newest

7	Why doesn't dark energy vary with time?
5	Why do objects follow geodesics in spacetime?
5	Small change in theta - polar coordinates
5	Schwarzschild metric
5	Trying to understand the weak gravitational field metric (1)

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560 Reputation

+10	Don't understand the integral over the square of the Dirac delta function
+5	Hubble time, the age of the Universe and expansion rate
+5	Schwarzschild metric
+5	Is this interpretation of $\psi=\frac{1}{\sqrt{\pi a^{3}}}e^{-r/a}$ correct?

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1 Answer

votes activity newest

2	Getting started general relativity

32 Tags

2 general-relativity × 17	0 cosmology × 5
2 books	0 potential-energy × 3
0 spacetime × 5	0 relativity × 3
0 newtonian-gravity × 5	0 vectors × 3
0 gravity × 5	0 universe × 3

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3 Accounts

	Physics	560 rep	18
$Mathematics Stack Exchange$	Mathematics	224 rep	14
$TeX - LaTeX Stack Exchange$	TeX - LaTeX	197 rep	16

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