Quantum Fluctuations

... before time: what existed before the fabled big bang. Semi-Technical ... the universe began,” which is angering traditional advocates of big bang model. Mar 31, 2020 ... Understanding how the universe began has been a goal for scientists, philosophers, and theologians for millennia. Jun 25, 2012 ... ... the universe, yet all of them happened at the same time. and ... Before the so called Big Bang there was nothing, no space, no time ... The initial singularity is a singularity predicted by some models of the Big Bang theory to have existed before the Big Bang. The Big Bang should have created equal amounts of matter and antimatter. So ... One of the greatest challenges in physics is to figure out what happened ... Until 14 billion years ago, the universe was contracting. It reached a minimum size at the Big Bang (which we call t = 0) and has been expanding ever since. ( ... Nov 11, 2010 ... Other Big Bangs: Maybe the universe has expansion/collapse cycles? Each cycle would start with a Big Bang, expand, level out, contract, and end ... There is no 'at the same time as' until the universe has differentiated to the point where one event can be temporally related to other events via an observer. Oct 22, 2019 ... It might arise from a pre-existing state that does have a singularity, it might have existed in its inflationary form forever, or the Universe ... Sep 6, 2023 ... Cosmologists call this a singularity. What was the universe like at the beginning of the big bang? According to the theory, it was extremely ...