What existed before the Big Bang? - BBC
Strangely enough, some cosmologists believe a previous, cold dark empty universe like the one which lies in our far future could have been the source of our very own Big Bang. The first matter....
Stephen Hawking Says He Knows What Happened Before the Big Bang
Mar 2, 2018 · At the time of the Big Bang, all the matter in the universe was smooshed into an incredibly hot, infinitely dense speck of matter. But what happened before that? It turns out, famed physicist...
Initial singularity - Wikipedia
The initial singularity is a singularity predicted by some models of the Big Bang theory to have existed before the Big Bang. [1] The instant immediately following the initial singularity is part of the Planck epoch, the earliest period of time in the history of our universe.
What Existed Before the Big Bang? - HowStuffWorks
Sep 6, 2023 · Roughly 13.7 billion years ago, the entire universe existed as a singularity, a point smaller than a subatomic particle, according to the Big Bang theory [source: Wall]. But what existed just before that moment? Did Our Universe Bubble Out of a Previous One? The question predates modern cosmology by at least 1,600 years.
What happened before the Big Bang? - Live Science
Apr 21, 2020 · In the beginning, there was an infinitely dense, tiny ball of matter. Then, it all went bang, giving rise to the atoms, molecules, stars and galaxies we see today. Or at least, that's what we've...
The Myth Of The Beginning Of Time | Scientific American
Feb 1, 2006 · Most cosmologists insisted that it simply made no sense--that to contemplate a time before the big bang was like asking for directions to a place north of the North Pole. But developments in...
What Came before the Big Bang? - Scientific American
Aug 1, 2014 · The universe before the big bang could have been fluctuating very differently than it did afterward, and those details did not survive the bounce.
What was before the Big Bang? Everything you need to know
Around 13.82 billion years ago, matter, energy, space – and time – erupted into being in a fireball called the Big Bang. It expanded and, from the cooling debris, there congealed galaxies – …
What happened before the Big Bang? | Space | EarthSky
Mar 27, 2019 · Bottom line: We don’t know what happened before the Big Bang, but some cosmological theories suggest a contraction prior to it. Perhaps an earlier universe was contracting.
What happened before the Big Bang? - Live Science
Apr 17, 2019 · Before the bang. 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, for some reason, the Big Bang...