All Questions
3
questions
2
votes
2
answers
387
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Is there a relation between spacetime curvature and radiation?
To my understanding, the curvature of spacetime is determined by the stress-energy tensor.
I was wondering if we could calculate some of those components using radiation.
Is it possible that objects ...
1
vote
1
answer
2k
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Can electromagnetic radiation (i.e. photons) produce gravity? [duplicate]
I don't want to play with physical laws in a frivolous way.
Assuming that the nature of matter and energy is the same, can a high density of highly energetic photons produce a gravity force?
We do ...
-2
votes
1
answer
564
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future light cones and light paths
I understand that an event, in a four dimensional space-time, produces a light cone. As time increases the cones gets larger on either side of the event (past and future). For example the if the sun ...