All Questions
7
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No symmetries in the universe at the Big Bang...?
I apologize in advance if this is a stupid question but...
According to some scenarios about the beginning of the universe (namely cosmological inflation), in layman terms, everything was born out of ...
6
votes
2
answers
317
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What exactly is the problem that Inflation solves?
There's copious documents about how Inflation solves the problem that General Relativity predicts a lumpy CMB. That influation 'smooths' out the curvature fluctuations and, so, predicts a CMB at ...
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0
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61
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What is the relationship between the Cosmological Constant and the Cosmological Principle?
I believe I've misunderstood a relationship between the cosmological constant and the cosmological principle having read:
Einstein introduces his cosmological constant which attributes, in the ...
1
vote
3
answers
272
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Is there a contradiction between isotropy and the Big Bang? [duplicate]
Disclaimer: I'm not asking whether the Big Bang happened at a point. I'm asking whether the fact that the universe is isotropic and that the Big Bang happened contradict each other.
To be honest I am ...
0
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How can the universe be homogeneous and isotropic while it has started with a big bang? [duplicate]
We assume the universe has been shaped by a explosion "Big Bang" but from what I understand explosions make the environment "not" homogeneous and "not" isotropic.
If that's right how can we assume the ...
5
votes
2
answers
3k
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Why isn't our universe symmetric?
Why were random variations introduced in the spherically symmetric universe after Big Bang which made it non-symmetrical. Since the outcome of a coin toss depend on factors such as torque applied, air ...
1
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2
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179
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Could the universe have evolved WITHOUT the non-determinism of quantum mechanics? [closed]
(I'm going to make a few conjectures here - please answer the question in light of them as if they were true, even though of course they may be overly simplistic or wrong)
Assuming that:
the ...