Is there planets in other universes???
need, have call "another universe" area of "space-time" infinitely curved respect our own universe. number of plausible conditions precipitate existance of area of space-time independent of our own. if area of space-time amounted "bubble" single light year across instance, or smaller if wish. enough qualify own universe , explain why , how might occur.
first of if envision travelling in straight line through space analogous travelling upon curved surface of earth, universe analogous object floating in air or higher above earth, or interestingly enough object buried in ground. no matter how long travel across surface of earth can never reach object floating in air.....or object buried underground.
example although crude illustrates point travel through space-time in our universe, bound topography of space-time. proof of argument around , time. called gravity. trying reach or indeed see universe, attempting reach moon without ever leaving surface of earth.
our vision restricted space-time. cannot see outside of our universe because light alleged universe trapped in fabric of space-time of universe......and has follow own laws of physics do. unless become capable of tearing "hole" through space-time enabling "pass across" "null-space" or "subspace" or "hyperspace"or whatever term call it, lies between our universe , other universe, never able interact in way. includes means must follow contours of topography of space-time, or "gravity" short.
until not able confirm or deny degree of accuracy existence of other universes, although mathematically, has been shown not plausible, highly probable, several different possible configurations might different ours, including universes last fraction of second in comparison ours, universes expand infinity forever, , universes static , unchanging in way forever.
unfortunately may several hundred years before able test of accepted theories, assuming of course....that last long.
any other univeres 1 in
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