The Limits of Observation

Dec 10, 2008 ... ... the universe. As its equations cannot cope with such infinities, general relativity fails to describe what happens at the big bang. Jan 19, 2012 ... Then there are problems that are fairly specific to cosmology. Standard cosmology, or what was considered standard cosmology twenty years ago, ... Some studies suggest that the state of the universe before the Big Bang is unknown and requires assumptions, while other studies propose scenarios like ... ... before and blah blah blah blah blah, but at the time of the poem, there was a belief that what existed before the big bang was something called the singularity. By most popular accounts, the universe started with a bang some 13.8 billion years ago. But what happened before the Big Bang? And how do we know it happened at ... Mar 31, 2020 ... Understanding how the universe began has been a goal for scientists, philosophers, and theologians for millennia. 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 ... Jan 9, 2022 ... For Penrose, each cycle involves random quantum events turning out a different way—meaning each cycle will differ from those before and after it ... Oct 24, 2019 ... Kaiser and his colleagues attempted to work out what the earliest phases of reheating — that bridge interval at the end of cosmic inflation and ... Mar 4, 2019 ... ... big bang), and before the oldest-known galaxies existed (400 million years after the big bang). The ultraviolet light emitted by the first ...