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What are the arguments for the Big Bang theory?
Three key pieces of observational evidence lend support to the Big Bang theory: the measured abundances of elements, the observed expansion of space, and the discovery of the cosmic microwave background (CMB). The CMB refers to the uniform distribution of radiation that pervades the entire universe.
Was there any matter before the Big Bang?
In the beginning, there was an infinitely dense, tiny ball of matter. Then, it all went bang, giving rise to the atoms, molecules, stars and galaxies we see today. Or at least, that’s what we’ve been told by physicists for the past several decades.
What were things like before the Big Bang?
It’s possible that before the Big Bang, the universe was an infinite stretch of an ultrahot, dense material, persisting in a steady state until, for some reason, the Big Bang occured. This extra-dense universe may have been governed by quantum mechanics, the physics of the extremely small scale, Carroll said.
What are 3 problems with the Big Bang theory?
Limitations of the Big Bang Theory
- The Flatness Problem: WMAP has determined the geometry of the universe to be nearly flat.
- The Horizon Problem:
- The Monopole Problem:
Is the criticism of the Big Bang theory unwarranted?
Proponents of the big bang theory say that such criticism is unwarranted for two reasons. The first is that the big bang doesn’t address the creation of the universe, but rather the evolution of it. The other reason is that since the laws of science break down as you approach the creation of the universe,…
Could we find evidence that the Big Bang never happened?
Some point to possible ‘scars’ left by a previous universe’s black holes on our cosmic microwave background. Others predict we might find signs that the physics-breaking boundary we call the Big Bang never happened. There are a lot of interesting ideas out there explaining how our Universe evolved.
Why doesn’t the first law of thermodynamics apply to the Big Bang?
The first is that the big bang doesn’t address the creation of the universe, but rather the evolution of it. The other reason is that since the laws of science break down as you approach the creation of the universe, there’s no reason to believe the first law of thermodynamics would apply.
Did the Big Bang create space and time?
Opinions expressed by Forbes Contributors are their own. This article is more than 3 years old. The Big Bang created space and time. Before that, there was no space.