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Recent observations conclude, from 7.5 billion years after the Big Bang, that the expansion rate of the universe has probably been increasing, commensurate with the Open Universe theory. [9] However, measurements made by the Wilkinson Microwave Anisotropy Probe suggest that the universe is either flat or very close to flat.
22 billion years in the future is the earliest possible end of the Universe in the Big Rip scenario, assuming a model of dark energy with w = −1.5. [21] [22] False vacuum decay may occur in 20 to 30 billion years if the Higgs field is metastable. [23] [24] [25]
22.3 billion The estimated time until the end of the universe in a Big Rip, assuming a model of dark energy with w = −1.5. [122] [123] If the density of dark energy is less than −1, then the universe's expansion will continue to accelerate and the observable universe will grow ever sparser.
Luckily for us Matt Caplan, a theoretical physicist from Illinois State University, recently conducted a study to determine how the end of the universe is likely to go down.
The Big Bang event 13-14 billion years ago initiated the universe, and it has been expanding ever since. ... Is the mismatch at the lower end - 4-5% - or the higher end - 10-12% - of what the ...
The heat death of the universe (also known as the Big Chill or Big Freeze) [1] [2] is a hypothesis on the ultimate fate of the universe, which suggests the universe will evolve to a state of no thermodynamic free energy, and will therefore be unable to sustain processes that increase entropy.
The universe's expansion passed an inflection point about five or six billion years ago when the universe entered the modern "dark-energy-dominated era" where the universe's expansion is now accelerating rather than decelerating. The present-day universe is quite well understood, but beyond about 100 billion years of cosmic time (about 86 ...
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.