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If the Big Bang happened 13.7 Billion years ago, how is the edge of the observable universe 16 Billion light years away? Did the universe expand faster than the speed of light?
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http://m.youtube.com/watch?v=AjMhGRMhO6s That shit is bad to the bone. I know where the arizona skunk ape is hiding! |
It doesn't matter where our vantage point is. Yes, two objects moving away from each other at a constant velocity, in opposite directions, in classical physics at the speed of light would be 2c (v1+v2=2v). But this equation breaks down when we talk about relativity, and we get the following formula.
v = (v1+v2)/(1+v1*v2/c^2) Now you see when velocity is low, it is very close to the v1+v2 formula. But as the velocities approach c, the limit goes to c. |
v = (v1+v2)/(1+v1*v2/c^2)
v = (c+c)/(1+(c*c)/c^2) v = 2c / 1+1 v = 2c/2 v = c |
C is not a number. .neither is v
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That's only so that the formula fits whats observable, cause Einstein used light as a base constant. And they only could measure light. He was a smart guy for not making assumptions.
We now also know that light behaves more weirdly and can be slowed down/sped up. I wonder how many physicists have thought to take that into consideration? Not saying his equations are bad, but they do not explain everything possible. Only a finite set of probabilities. Based on light. |
Let me see if I can explain this better.
Let's say we have one photon at the "north pole" of the universe, and one at the "south pole". Both of them traveled straight from the "center" of the universe at the speed of light. According to the Velocity-addition formula using theory of special relativity, the max distance between them is still time * c, not time * 2c |
so it doesnt matter if we're not at the "center" of the universe, any edge we can measure is still capped by the big bang. I was wondering how this is possible that they measure the expansion at 16 billion and the universe age at 13.7, on the off chance any of you are an actual scientist like me ofc.
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err trillion* not billion obv
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