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In physical cosmology, the Big Rip is a hypothetical cosmological model concerning the ultimate fate of the universe, in which the matter of the universe, from stars and galaxies to atoms and subatomic particles, and even spacetime itself, is progressively torn apart by the expansion of the universe at a certain time in the future, until distances between particles will infinitely increase.
Big Bang – Physical theory; Big Bounce – Model for the origin of the universe; Big Crunch – Hypothetical scenario for the ultimate fate of the universe; Big Rip – Cosmological model; Chronology of the universe – History and future of the universe; Cyclic model – Cosmological models involving indefinite, self-sustaining cycles
Phantom energy is a hypothetical form of dark energy satisfying the equation of state = with <.It possesses negative kinetic energy, and predicts expansion of the universe in excess of that predicted by a cosmological constant, which leads to a Big Rip.
The Big Crunch is a hypothetical scenario for the ultimate fate of the universe, in which the expansion of the universe eventually reverses and the universe recollapses, ultimately causing the cosmic scale factor to reach absolute zero, an event potentially followed by a reformation of the universe starting with another Big Bang.
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The Big Bounce hypothesis is a cosmological model for the origin of the known universe.It was originally suggested as a phase of the cyclic model or oscillatory universe interpretation of the Big Bang, where the first cosmological event was the result of the collapse of a previous universe.
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definitely been a big thrill, but little else had really changed. Late in 1980 we decided to try to buy a place of our own and in the process discovered that between us we had a negative net worth. It hadn’t proven easy for either of us to build a career in London, and although we weren’t too depressed about it all, the path ahead was not ...