The First Moments

Mar 30, 2009 ... the idea that the Universe is expanding, as Edwin Hubble first discovered in the 1920s — distant galaxy clusters are moving away from one ... Jun 9, 2021 ... How do we know? We have found the radiation left over from when the first atoms formed (the cosmic microwave background radiation) and ... 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 ... Dec 10, 2008 ... ... the universe. As its equations cannot cope with such infinities, general relativity fails to describe what happens at the big bang. Oct 5, 2023 ... Essentially, the universe came into existence kicking and screaming where it was both extremely hot and extremely dense, but also started ... Jan 4, 2024 ... There can't have been infinite empty space before space came into being and expanded out from a point. ... Did big bang happen only one ... Jan 27, 2023 ... There was the singularity or the pre big bang mass before the big bang. The mass of the singularity or the pre big bang mass was equal to say 99 ... Jul 1, 2007 ... It is practically impossible to draw conclusions about fluctuations of the Universe before the Big Bang: the relevant parameter is suppressed by ... one may meaningfully ask what happened before the bang. Also philosophers have questioned the implications that big bang cosmology may have for time's beginning ... Jan 19, 2012 ... Then there are problems that are fairly specific to cosmology. Standard cosmology, or what was considered standard cosmology twenty years ago, ...