edthecynic
Censored for Cynicism
- Oct 20, 2008
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No the expanding of space is just matter moving at speed. It's speed can be calculated by measuring the distance of travel against time. There was time before the big bang, but we have no way of measuring how long the universe existed in singularity form.
Nothing in the laws of physics suggests the big bang wasn't part of a cycle. Consider the big crunch theory.
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You have no way of knowing there was a singularity or a big bang for that matter. These are both THEORIES.
And yes, there is something in physics which suggests the so-called "Big Crunch" theory is irrelevant. The expansion of the universe is accelerating, not slowing down. Previously, we believed the universe began with a Big Bang, and the relative velocity was slowing down... eventually, it was speculated the universe would then cease to expand and begin to contract back in on itself (the Big Crunch). Now, we no longer believe this theory is valid. In fact, some physicists like Stephen Hawking have even questioned whether there was a Big Bang. Quantum physics suggests our universe may have been the result of collision with another universe or fusion from another universe, and not a Big Bang at all.
Einstein proved that time is relative, meaning that time is simply our perception of the expansion of the universe. This means time did not exist BEFORE the universe. At least not in any concept we currently recognize as time.
In the Big Crunch, after the universe has expanded to its maximum point it then accelerates as it is pulled by gravity toward the super massive universal black hole, in the same way that a ball thrown straight up in the air slows as it rises til it reaches a point where it rises no more, then it falls back to the ground accelerating as it falls from the pull of gravity. The black energy theorized to be accelerating the movement at the extremes of the universe is more likely to be the black gravity of the also theoretical super massive universal black hole. In any case the Big Crunch Theory is still alive and well and making a come back despite your pontification of its demise.