Tensor-Scalar Theories

Apr 12, 2020 ... Cosmologist Alexander Vilenkin believes the Big Bang wasn't a one-off event, but merely one of a series of big bangs creating an endless number of bubble ... Mar 16, 2014 ... 1: What the Big Bang was not: An explosion of a seed into a pre-existing space. The explosion is created by a process that generates tremendous ... 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 17, 2019 ... It's possible that before the Big Bang, the universe was an infinite stretch of an ultrahot, dense material, persisting in a steady state until, ... Apr 30, 2019 ... Professor Avi Loeb of the Harvard-Smithsonian Center for Astrophysics and colleagues have proposed a new test for inflation, the theory that ... The most popular theories about the earliest phases of the Big Bang describe a process called inflation that started from a so-called so-called 'false vacuum', ... Dec 9, 2024 ... To those who lived before the 20th century, even if these events took place an hour later, everything would happen in the same way: the time ... Mar 14, 2019 ... Around 13.7 billion years ago, our Universe sprang into existence, but what was around before the Big Bang? In an episode of Star Talk ... 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 ... Jan 14, 2024 ... Prior to this expansion the universe was very hot and dense. There are theories that it was infinite then since there seems to be several ...