All Questions
2
questions
4
votes
2
answers
5k
views
Does "Infinite Universe" Imply Infinite Mass?
In accordance with the FLRW Metric with a curverature of $k=0$ (as observationally supported by several of NASA's experiments including WMAP, Planck satellite, DASI, etc.) the universe is spatially ...
- 1,140
3
votes
1
answer
311
views
Time Energy symmetry in General Relativity (not asking about energy conservation)
In General Relativity is there a TE symmetry similar to CPT symmetry in the Standard Model ? It's pretty easy to understand that by flipping charge and parity you merely get a time reversed equivalent ...
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