The Isotropy Problem

Aug 27, 2022 ... It's like the alphabet soup of physics. And before that? We don't know. We don't know because we have never tested what matter does at energy ... Apr 22, 2020 ... In this scenario, the horizon is defined as how far observers can see before the bounce occurs. “The distance that light can propagate before ... Dec 10, 2008 ... ... the universe. As its equations cannot cope with such infinities, general relativity fails to describe what happens at the big bang. Nov 23, 2010 ... Image credit: Gurzadyan and Penrose. (PhysOrg.com) -- In general, asking what happened before the Big Bang is not really considered a science ... Feb 20, 2024 ... Stars are mostly made of hydrogen. The Big Bang theory explains the most basic observed properties of our universe. What happened before the Big ... Events before the Big Bang, are simply not defined, because there's no way one could measure what happened at them. This kind of beginning to the universe, and ... Apr 8, 2011 ... Not knowing what came before the Big Bang doesn't stop physicists from theorizing. In the eternal inflation scenario, the known universe bubbled out of a ... The initial singularity is a singularity predicted by some models of the Big Bang theory to have existed before the Big Bang. 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 ... Oct 5, 2023 ... Essentially, the universe came into existence kicking and screaming where it was both extremely hot and extremely dense, but also started ...