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The photon epoch started after most leptons and anti-leptons were annihilated at the end of the lepton epoch, about 10 seconds after the Big Bang. [1] Atomic nuclei were created in the process of nucleosynthesis , which occurred during the first few minutes of the photon epoch.
In physical cosmology, assuming that nature is described by a Grand Unified Theory, the grand unification epoch was the period in the evolution of the early universe following the Planck epoch, starting at about 10 −43 seconds after the Big Bang, in which the temperature of the universe was comparable to the characteristic temperatures of grand unified theories.
The chronology of the universe describes the history and future of the universe according to Big Bang cosmology.. Research published in 2015 estimates the earliest stages of the universe's existence as taking place 13.8 billion years ago, with an uncertainty of around 21 million years at the 68% confidence level.
In cosmological models of the Big Bang, the lepton epoch was the period in the evolution of the early universe in which the leptons dominated the mass of the Universe.It started roughly 1 second after the Big Bang, after the majority of hadrons and anti-hadrons annihilated each other at the end of the hadron epoch. [1]
The epoch CÐ −43.2683 was 10 (−43.2683) seconds, which represents the Planck time since the Big Bang (Time Zero). There were an infinite number of cosmological decades between the Big Bang and the Planck epoch (or any other point in time). The current epoch, CÐ 17.6389, is 10 (17.6389) seconds, or 13.799(21) billion years, since the Big ...
A visual representation of the division order of universal forces. In physical cosmology, the quark epoch was the period in the evolution of the early universe when the fundamental interactions of gravitation, electromagnetism, the strong interaction and the weak interaction had taken their present forms, but the temperature of the universe was still too high to allow quarks to bind together ...
Still, collectors value it for its quirky aesthetic and novelty — being able to play both games and a movie simultaneously was a big deal at the time. Units in mint condition can sell for close ...
10 Seconds is a television game show that aired on The Nashville Network from March 29 to September 24, 1993. After the last episode aired, the show went in reruns until March 25, 1994. After the last episode aired, the show went in reruns until March 25, 1994.