All Questions
Tagged with big-bang space-expansion
321
questions
15
votes
4
answers
2k
views
Are scientists missing the point with distant cosmic objects, or is it just me?
I was reading this article this morning:
http://www.bbc.co.uk/news/science-environment-13539914
Scientists have discovered a gamma-ray burst whose light has taken 13.14 billion years to reach Earth. ...
- 259
1
vote
2
answers
1k
views
If the Big Bang theory suggests that the Universe is "expanding" then what is it expanding INTO? [duplicate]
I am a software engineer and not an astrophysicist but I want to know if anyone is working on sorting out what exists outside the universe?
So what about outside spacetime? what is there? or shall I ...
- 127
30
votes
5
answers
6k
views
If the universe is expanding, what is it expanding into? [closed]
If the universe is expanding, what is it expanding into?
When the big bang happened where did it occur?
When the big bang happened how did it occur?
Where did the energy come from? Energy can not be ...
- 441
9
votes
3
answers
939
views
The Big Bang in an infinite universe
If the universe is spatially infinite (and assuming, if it makes a difference, that we don't have eternal inflation), what actually happened 13.7 billion years ago? Was the energy density infinite (or ...
- 3,356
26
votes
7
answers
4k
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Why did the universe not collapse to a black hole shortly after the big bang?
Wasn't the density of the universe at the moment after the Big Bang so great as to create a black hole? If the answer is that the universe/space-time can expand anyway what does it imply about what ...
- 517
14
votes
3
answers
5k
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What does it mean that the universe is "infinite"?
This question is about cosmology and general relativity.
I understand the difference between the universe and the observable universe. What I am not really clear about is what is meant when I read ...
- 13.5k