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  2. Ultimate fate of the universe - Wikipedia

    en.wikipedia.org/wiki/Ultimate_fate_of_the_universe

    The universe could then consist of an infinite sequence of finite universes, with each finite universe ending with a Big Crunch that is also the Big Bang of the next universe. A problem with the cyclic universe is that it does not reconcile with the second law of thermodynamics , as entropy would build up from oscillation to oscillation and ...

  3. Chronology of the universe - Wikipedia

    en.wikipedia.org/wiki/Chronology_of_the_universe

    Cosmic inflation expands space by a factor of the order of 10 26 over a time of the order of 10 −36 to 10 −32 seconds. The universe is supercooled from about 10 27 down to 10 22 Kelvins. [18] The strong interaction becomes distinct from the electroweak interaction. Electroweak epoch ends 10 −12 s 10 15 K (150 GeV)

  4. Timeline of the Universe - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_Universe

    The timeline of the Universe lists events from its creation to its ultimate final state. For a timeline of the universe from the present to its presumed conclusion, ...

  5. A time traveler’s guide to the end of the universe - AOL

    www.aol.com/time-traveler-guide-end-universe...

    In the far future long after star formation has ceased the universe will be populated by sparse degenerate remnants, mostly white dwarfs, though their ultimate fate is an open question.

  6. Big Rip - Wikipedia

    en.wikipedia.org/wiki/Big_Rip

    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.

  7. Big Crunch - Wikipedia

    en.wikipedia.org/wiki/Big_Crunch

    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.

  8. Future of an expanding universe - Wikipedia

    en.wikipedia.org/.../Future_of_an_expanding_universe

    Infinite expansion does not constrain the overall spatial curvature of the universe.It can be open (with negative spatial curvature), flat, or closed (positive spatial curvature), although if it is closed, sufficient dark energy must be present to counteract the gravitational forces or else the universe will end in a Big Crunch.

  9. Cosmology - Wikipedia

    en.wikipedia.org/wiki/Cosmology

    The Hubble eXtreme Deep Field (XDF) was completed in September 2012 and shows the farthest galaxies ever photographed at that time. Except for the few stars in the foreground (which are bright and easily recognizable because only they have diffraction spikes), every speck of light in the photo is an individual galaxy, some of them as old as 13.2 billion years; the observable universe is ...