All Questions
3
questions with no upvoted or accepted answers
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vote
1
answer
66
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Would "gravity" and the "law of gravity" have a meaning in a universe without matter?
I was discussing the fact that if there was no matter in the universe, just vacuum and radiation, can we say that anything called gravity wouldn't exist?
In that universe, the Friedman equations ...
- 93
0
votes
0
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Transition to Neutron Star
If we're asked to believe that the explosive aspect of a supernova results from a rebound of residual free falling matter off of the stellar core, shouldn't we also be asked to believe that transition ...
user394592
0
votes
1
answer
111
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What if there was no baryon-antibaryon asymmetry in our universe?
We know that the universe goes through different evolutionary phases: radiation, matter and later dark energy epoch.
What would happen if there was no baryon-antibaryon asymmetry? How would the ...
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