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quote:Originally posted by DoctorBeaverI've read those links & i'm just as confused as ever. So, answer me this... if photons travel at the speed of light there must come (or have been) a time when some reach the edge of the universe. What happens then? Do they just go phut? Or do they cause the universe to start expanding at the speed of light with the photons forming the edge?
quote:There are twice as many numbers as multiples of 2 so
quote:Originally posted by gsmollinThen Alan Guth discovered inflation, and that's exactly what happened.
quote:Originally posted by chimera...And he makes a decent case, solving indeed both 'horizon' and 'flatness' problems, gsmollin. (These two problems arise from our normal big bang model, and are explained by Alan Guth's inflation model - although in all honesty the current accepted model is not the same as his original, far from it.)...... BTW Einstein had his own VSL in 1919, did you know that? Different from Magueijo's, and totally ignored as an aberration these days, if remembered at all....
quote:Originally posted by gsmollin I knew that. I think it is most interesting that inflation was "invented" during a panicky time in Guth's post-doc career, when he discovered his GUT was not working. It's been said that necessity is the mother of invention. I didn't know that. Do you have a source for this?
quote:Originally posted by DoctorBeaverI have to agree. His work is certainly more readily understandable than Hawking