The universe will completely die in..

Not everything will cease to exist ever. Well, maybe our universe will but I like to see the bigger picture. I like to look at our universe in the way Neil DeGrasse Tyson has explained it before.

Our universe is merely just a small bubble inside an ocean of bubbles which contain other universes. The thought sounds mind boggling, but pretty awesome at the same time.
 
Lima said:
Whilst this stuff is facinating, some people take this stuff way too seriously. It's mostly extreeeeeemely far fetched theories. Sure some of these theories will be correct, but most will be found to be a load of nonsense.
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And that is the basis of science - form theories and test them - many will be wrong and some may be correct. I studied a year of Cosmology and it definitely makes you feel fairly insignificant in the scheme of things
 
The universe will die a cold slow freeze due to the fact that expansion is actually increasing and proven. Matter will separate as the mavity force looses its grip. It will also take much longer than a trillion years for all matter to disappear. Eventually even the black holes will decay (hard to believe but will happen and will take ages, See Stephen Hawkins theories on black holes)

Will there ever be another big bang, sure I reckon so when the membrane dimension bounces off each other and forms another mass of energy / big bang and a new universe.

Membrane dimension is what they may have called parallel universes bouncing off each other in string theory. (not entirely true, but easier to imagine)

Well that is my rough attempt to explain it :)
 
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are galaxys expanding? or not due to mavity? hopefully the latter then we'll still maybe get to play in the millenium falcon at some point :)
 
jimjamuk said:
And that is the basis of science - form theories and test them - many will be wrong and some may be correct. I studied a year of Cosmology and it definitely makes you feel fairly insignificant in the scheme of things
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I fully agree with you. I just find with this topic in particular people seem to argue very passionately about theory as if the theories they were arguing for were stone cold facts.
 
dunker said:
are galaxys expanding? or not due to mavity? hopefully the latter then we'll still maybe get to play in the millenium falcon at some point :)
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Locally galaxies are clustered together and not really expanding. But the actual clusters of galaxies are expanding away from each other. This is the measured affect of the ever increasing expansion they speak of.

Eventually though, even the galaxies will run out of star fuel and because all of the galaxy clusters have expanded to far apart, they cannot refuel with interstellar dust and even the galaxies themselves starve and die out. Then the galaxies will loose their gravitation attraction and the stars / black holes / brown dwarfs will wander away and eventually decay due to Hawkins theories. Eventually the universe will be full of dead stars / black holes and no light at all. What they say a trillion years. It will then take trillion of trillions of years for the black holes to decay to nothing.

The theory is that "Dark Energy" is increasing and is increasing the expansion and everything will end up as dark energy.

What is dark energy, well no one knows yet, but a simple thing to imagine it is why does a vacuum want to expand, what causes it, what forces = dark energy
 
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so we're all stuck inside an ever expanding explosion, we've been stuck in it so long life has evolved to talk about it, amazing :)
 
Mr Badger said:
reality TV
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Was this really a great discovery, I mean really?!?! :p

Also as for the end of life who knows, since the universe was believed to be created from a extremely hot/dense state and it will effectively end that way who's to say the process won't repeat its self
 
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Merlin5 said:
The universe will completely die in a trillion years, give or take.
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Time to cancel the newspaper and the milk then....

Merlin5 said:
Or, does anyone think another big bang would probably be triggered again?
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The only big bang that we are ever likely to see that will destroy us will be some religious nutter and a nuclear bomb, and that will likely happen long before any big bang that the universe could ever throw at us.
 
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