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Originally Posted by bojan
Craig,
That holds if antimatter has negative gravity on itself...
But article suggest that antimatter attracts antimatter, but repulses "normal" matter and that is the situation that should be detectable and I am talking about.
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Where there is matter present, anti-matter would be repelled. There is always matter present in space .. even in voids.
Quote:
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Originally Posted by bojan
Now, because photons are both "anti" AND "normal", and clearly they are "attracted" to matter, they also had to be attracted to antimatter.
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Photons aren't attracted to anything !
A photon's path is bent due to curvature of spacetime.
Quote:
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Originally Posted by bojan
BTW, anyone knows what is the total mass of the photons in the Universe?
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Zero.
