In set theory space can transformed while preserving distance by translation, rotation, and mirror images. Could our universe have a mirror image?
Why is our universe composed of particles instead of anti-particles? If it were composed of anti-particles we wouldn't know it and would call them particles and call the particles anti-particles.
Maybe after the big bang (or other beginning) there were two separate regions one of which had more particles which destroyed the anti-particles and the other one of which had more anti-particles which destroyed the particles. Call these regions universes.
Imagine the collision of a particle universe with an anti-particle universe. Wouldn't that create a very big bang?
Friday, May 14, 2010
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