Evolution

Apr 21, 2020 ... One of the earliest string theory notions is the "ekpyrotic" universe, which comes from the Greek word for "conflagration," or fire. In this ... 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 ... Jan 19, 2012 ... Then there are problems that are fairly specific to cosmology. Standard cosmology, or what was considered standard cosmology twenty years ago, ... Mar 16, 2023 ... The strongest evidence for a Universe before the Big Bang · they were generated by the Sachs-Wolfe effect and are due to inflation, · they were ... May 5, 2006 ... ... the universe must be at least a trillion years old with many big bangs happening before our own. With each bang, the theory predicts that ... Jul 14, 2013 ... ... the universe before the CMB was emitted about 380k after the big bang. ... what happened before the bang or what will happen in the far future. Aug 19, 2024 ... According to the once-popular idea of the cyclic (or oscillatory) Universe, the current expansion of space could one day revert into a ... Oct 24, 2014 ... The pre-bang universe has become the latest frontier of cosmology. The new willingness to consider what might have happened before the bang is ... The initial singularity is a singularity predicted by some models of the Big Bang theory to have existed before the Big Bang. 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.