All Questions
3
questions
0
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242
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How to pick what coordinates transformations to apply in general relativity?
I've been challenged by coordinate transformations lately, as most of you know during solving any problem in GR we have to go through lots of transformations, my question is how we decide the best ...
7
votes
2
answers
2k
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Is the de Sitter Universe static?
In the book Tolman R.C. Relativity, thermodynamics, and cosmology (3pr., Oxford, 1949) I read that the de Sitter Universe is static as well as the Einstein Universe.
But the de Sitter Universe is ...
6
votes
2
answers
397
views
Are orbits possible in de sitter space?
Since the de sitter space has constant positive curvature does that mean that objects can't orbit around other objects?