Good theory, but there would be the question of what is at the end of them - Back to Square one!
More universes?
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How do you know space goes on forever? Where does that say anywhere? Its just an inference probably made by scientists... I mean Space could not even be really called space, it could end somewhere.. We just dont know it. IMO they should call it something else....Wheres the proof?
It doesn't.
Big Bang. Our universe started from something. Therefore in order to expand, it must move it's boundaries, which are all curved. Therefore...the universe does have an edge and doesn't go on forever.
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How do THEY know sace is expanding anyway they could just be lying. Or it could have gone as far as it can and stopped. Not because it cant go on anymore but it just stopped. There are a lot of strange things out there and everything is just a theory of some dude with mad hair. How can they possibly know what would happen in such situasions if they cant go there and study it. Same goes for black holes.
Evidence exists that shows that certain areas of the sky are actually growing more faint every passing year. In approximately 180,000,000,000 years, there won't be a single star in the night sky because the universe has grown so much that stars are spaced so far apart that no light ever be able to traverse the distance before the universe implodes.
As for black holes;
See the big yellow cluster of stars in the very middle? That's where up to 10,000 black holes exist, all within 3 light years of the Galaxy's supermassive black hole, Sagitarius A, sucking away at the galaxy's core.
Meh I wasnt disappointed, If I a not so smart person, typical person thought it up, then a scientist most likely did. do you know who he(maybe she) is?
I love space.
Murray Gell Mann had the idea of quarks forming hedrons (for example nucleons such as the proton or neutron).
If you are interested in this stuff you should get "a brief history of time" or "the Universe in a nutshell" by Stephen Hawking. He manages to explain very complicated things without any equations and in a very interesting way.
There is also another book, by Kip Thorn, (something like "space warps and time curvatures") which covers the same topics but is a bit more detailed and shows interesting ways how physics can be or are used in science fiction.
Would this not be an O though rather than a U? an O is all round, wheras a U has a beginning and an end!
With a 'U', the wormhole theory can be explained. An 'O' shape could have wormholes, but they would take only a little less time to traverse than if you were to go around the 'O' to the point you would reach with the wormhole. With a 'U', the two legs could be quite close and so a wormhole could significantly decrease the time it takes to get from one end to the other compared to going around the conventional way.
With a 'U', the wormhole theory can be explained. An 'O' shape could have wormholes, but they would take only a little less time to traverse than if you were to go around the 'O' to the point you would reach with the wormhole. With a 'U', the two legs could be quite close and so a wormhole could significantly decrease the time it takes to get from one end to the other compared to going around the conventional way.
Makes sense, though I would have thought an O shape would be eternal.
Talking of which (galaxies and what not) it was mentioned earlier that the stars in the sky are getting futher away due to the universe expaning. Though, it is the universe expanding, not our galaxy, and it is the galaxy that has the stars of which we can see in the night sky...
But also.. If you're travelling (generally travelling at whatever speed) you slow time down... Crap.. You didn't go back in time.. You only slow it down.. Nevermind.. Anyways.. I think there are no such thing as more universes, because what's between them? There's just one big universe. The sphere theory seems to be the one I believe in.
Talking of which (galaxies and what not) it was mentioned earlier that the stars in the sky are getting futher away due to the universe expaning. Though, it is the universe expanding, not our galaxy, and it is the galaxy that has the stars of which we can see in the night sky...
I thought they figured out the whole expanding universe-theory by watching other galaxies.
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