Linked Questions

22
votes
5answers
7k views

Did spacetime start with the Big bang?

Did spacetime start with the Big Bang? I mean, was there any presence of this spacetime we are experiencing now before big bang? And could there be a presence/existence of any other space-time before ...
0
votes
2answers
510 views

Big Bang Anybody? [duplicate]

Possible Duplicate: Did time exist before the creation of matter in the universe? on causality and The Big Bang Theory I was recently watching a Discovery special on the Big Bang theory, and ...
2
votes
3answers
480 views

Did time begin with the big bang? [duplicate]

Did time begin from big bang? If not then what existed before big bang? If time had a beginning, then does it have a end, or pause because if time had a pause then we would not have known about it, ...
0
votes
0answers
128 views

After the Big Bang Planck time [duplicate]

What happened before the Planck time in the big bang? I have seen a timeline for after the big bang but there is no description of what happened before the Planck time.
1
vote
1answer
86 views

About Time and the Big Bang [duplicate]

In a TV ducumentary, I heard that time started with Big Bang, and it is meaningless to talk of "before". This was given without any further explanation, in the peculiar, irritating style of ...
2
votes
0answers
75 views

Is time infinite? [duplicate]

If time has a beginning, must it not exist for some amount of "time"? If not, it exists from the point when existence started and if there was ABSOLUTELY no existence there may not exist something ...
277
votes
6answers
37k views

Did the Big Bang happen at a point?

TV documentaries invariably show the Big Bang as an exploding ball of fire expanding outwards. Did the Big Bang really explode outwards from a point like this? If not, what did happen?
14
votes
7answers
18k views

How can something happen when time does not exist?

I saw this documentary hosted by Stephen Hawkins. And if I didn't get it wrong, it says that there was no time before the big bang, time was created there. So how can anything happen when there is ...
1
vote
4answers
718 views

How can the big bang occur mathematically?

As we know time began with the big bang. Before that there was no time, no laws, nothing. Mathematically how can an event take place when no time passes by? How did the big bang took place when there ...
0
votes
1answer
365 views

Origin of Universe [duplicate]

The universe is believed to have originated from absolutely nothing, and we know it is still expanding. Physics says "something can arise from nothing". I understand how mass and energy are related ...
0
votes
1answer
812 views

Does the Big Bang need a cause? [duplicate]

Possible Duplicate: on causality and The Big Bang Theory Asking here in layman's terms.. When theoretical physicsists discuss the origin of our Universe, the wider consensus appears to be that ...
3
votes
1answer
304 views

If the Big Bang theory is true, what caused it to explode?

According to the Big Bang theory, all the matter in the universe was amassed together at one single point. If this was the case, why was it able to explode? The density of the mass would create a ...
-2
votes
3answers
257 views

Is Space conserved [closed]

Can space be created or destroyed? Is space conserved? I am not asking for matter,energy and time. Its just a question about conservation of space PS: I am asking for what was there before big bang. ...
-1
votes
1answer
117 views

On the beginning of energy-dependent time

In this episode of through the wormhole with Morgan Freeman which is titled," when did time begin?", , an Italian physicist makes the following comment about time(not verbatim but it's the point he ...