Spectral Index of CMB Fluctuations

By working backwards, they hypothesized that the Universe was denser and hotter in the past. If you make a naive extrapolation, you can go all the way back to a ... Mar 6, 2023 ... How would atheists explain this existence?” Well, before the Big Bang, all the matter and energy already existed, but in a much smaller, denser ... Jan 19, 2012 ... Then there are problems that are fairly specific to cosmology. Standard cosmology, or what was considered standard cosmology twenty years ago, ... Dec 16, 2024 ... Discover what scientists now think preceded the massive explosion that kickstarted the universe -- an event we call the Big Bang. 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 ... 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 ... May 29, 2012 ... There's scientific consensus that our universe exploded into existence almost 14 billion years ago in an event known as the Big Bang. Dec 2, 2018 ... What existed before the big bang? Did something have to be be there in order to go boom? – Ethan, 10, Sydney. Ethan, what a question. To ... What caused the Big Bang? What happened that first moment at the beginning ... the universe before stars. Share this Page. Share on Facebook · Share on ... Apr 18, 2019 ... We've all heard that the universe began with the Big Bang — a colossal explosion that ushered it into existence. But what if the Big Bang wasn't ...