All Questions
Tagged with big-bang-theory universe
37
questions
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627
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What is beyond the observable universe? [closed]
What is beyond the edge of the observable universe? Scientists say that the Big Bang is the cause of all creation in the known universe, but it would seem the bang must have happened in the center of ...
- 133
4
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3
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How can the universe be expanding faster than speed of light? [duplicate]
So the story goes like this:
A long time ago, 13.799±0.021 billion years to be exact, something happened. It was a big bang, loud explosion and universe came to existence. It grew and grew, and now ...
- 701
0
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1
answer
296
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Why do we we even exist? [closed]
It came to my mind one day that why does this universe even exist and why do we even exist and like we are enclosed in the so called atmosphere and a floating rock in space called the Earth, so is ...
- 111
4
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473
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What existed before the big bang [closed]
What existed before the big bang?
What all thing are there inside big bang object ?.
- 141
2
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1
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230
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How can we use hypervelocity stars to determine the origins of the Universe?
I was reading this article finding evidence of Universe's origin, which describes that in 1 trillion years we may lose the ability to determine how the universe was created.
The answer seems to be ...
- 231
3
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1
answer
903
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What was "space" like before big bang?
I have a simple question which I think about often but have no answer.
If The Big Bang is true, than if the whole space was just a point 14 billion years ago, then what was around that point, some ...
0
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1
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241
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Second Big Bang [duplicate]
Just say you are immortal and will live forever. Since the universe is claimed to be unstable, what would happen after it ends? Would all of the universe's mass just fly back into another compressed ...
- 103
1
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404
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How do we know that the Universe is still expanding now?
Yes, I know that most galaxies have a red shift and that means they are moving away from us.
The problem is that the farthest galaxies are 13.8 billion light years away. That means that the info is ...
- 113
2
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1
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345
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A universal reference point [duplicate]
I would like to use a system of co-ordinates (x,y,z,t) based on a specific well known point. My original choice (the center of the universe in the big bang theory, Bigbang0), was wrong as the universe ...
- 137
0
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2
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229
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Could we estimate the age of the universe based on the planar property of the Solar System?
The Big Bang scattered planets and stars everywhere in three dimensions.
But after billion years of moving and interacting with each others through gravity, planets moved on the same plane.
Given ...
- 119
5
votes
2
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293
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Is mass+energy conserved when a new universe forms inside a black hole?
My understanding is that there are credible theories out there in which the formation of a singularity in a black hole also represents the beginning of a new universe via a big bang. We can't see the ...
- 369
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2
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855
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Calculating the age of the universe
Is the calculated age of the universe that of the visible universe or the entire universe? I dont know how the age is calculated but if it is believed that all we see visibly IS the entire universe ...
- 113
4
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1
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Big Bang / Big Crunch cycle?
I've been reading some of Stephen Hawking's work on the theory of the expansion (and ultimate contraction) of the universe and was curious if anyone has every hypothesized that the universe has ...
- 143
3
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3
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579
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How is the universe bordered?
This answer says that some models describes the universe as finite. How do those models describe the universe's border?
Does the border (theoretically) exist?
Is it a solid border? Do they predict ...
user2734
6
votes
2
answers
630
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Outside of a Universe and its origin
Per the Big Bang Theory, the universe was formed from a dense singular point which existed 13 billion years ago and has been expanding ever since. This suggests that the point should have existed ...
- 171