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actually u might know of it its called string theory and according to the theory everything is made of small small circular vibrations of energy names strings and in theory if u could shirnk down to the size of a string then u could ultimatly pass through one of these strings and enter another demenshion and they came up with this theory due to subatomic particles errr i cant rember the name of the ones that they have tracked but there are some that if they could ultimatly track named gravitons they could prove this theory they are tracking these subatomic particles going just poping up and idssapearing and they beleive that when a atom is destroyed (the atom smashers) that a gravaton will appear for a split moment and then return to its other demenshion... The universes fate is intimately connected to its shape which in turn depends on a single number Omega: the ratio of the average mass density of the universe to the critical value required to just maintain equilibrium. (this u already mentioned) An open universe, corresponding to omega less than one, will expand forever. Matter will spread thinner and thinner. Galaxies will exhaust their gas supply for forming new stars, and old stars will eventually burn out, leaving only dust and dead stars. The universe will become quite dark and, as the temperature of the universe will approaches absolute zero, quite cold. The universe will not end, exactly, just peter out in a Big Chill. (this was also already mentioned also) The expansion of a closed universe, with an Omega greater than one, will slow down until it reaches a maximum size, when it begins its inward collapse. Like a video of the Big Bang and expansion run backward, the universe will become denser and hotter until it ends in an infinitely hot, infinitely dense Big Crunch--perhaps providing the seed for another Big Bang. BUT one theory that has not been mentioned is Recent speculation now includes a pervasive growing field of mysterious repulsive energy that rips virtually everything apart. Although the universe started with a Big Bang, analysis of recent cosmological measurements allows a possibility that it will end with a Big Rip. As soon as few billion years from now, the controversial scenario holds, dark energy will grow to such a magnitude that our own Galaxy will no longer be able to hold itself together. After that, stars, planets, and then even atoms might not be able to withstand the expansive internal force. IN oter words atoms and matter as we know it will litteraly be riped apart due to its expanshion u can read all about this at http://urbanlegends.about.com/gi/dynamic/offsite.htm?site=http://antwrp .gsfc.nasa.gov/apod/ap030510.html and also at http://urbanlegends.about.com/gi/dynamic/offsite.htm?site=http://antwrp .gsfc.nasa.gov/apod/ap030510.html
"Look now how mortals are blaming the gods for they say that evils come from us but in fact they themselves have woes beyond their share because of their own follies"
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