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1. www.space.com › 25126-What is the Big Bang Theory? | Space

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   Jul 26, 2023 · The Big Bang Theory explains how the universe began with an infinitely hot and dense single point that inflated to form the ever-expanding cosmos we see today.

   • Cosmic Microwave Background

     The cosmic microwave background (CMB) is primeval radiation...

2. www.space.com › 31192-what-triggered-the-big-bangWhat Triggered the Big Bang? It's Complicated (Op-Ed) - Space.com

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   Nov 23, 2015 · The 1st few seconds of the Big Bang: What we know and what we don't 5 failed alternatives to the Big Bang theory and why they didn't work

3. en.wikipedia.org › wiki › Big_BangBig Bang - Wikipedia

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   The Big Bang is a physical theory that describes how the universe expanded from an initial state of high density and temperature. [1] The notion of an expanding universe was first scientifically originated by physicist Alexander Friedmann in 1922 with the mathematical derivation of the Friedmann equations .

4. physics.mit.edu › news › it-all-started-with-a-bigIt all started with a Big Bang – the quest to unravel the ...

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   2 days ago · At the Big Bang, distances and volumes drop to zero, all parts of the universe fall on top of each other and the energy density of the universe becomes infinite. Our mathematical equations, which describe the evolution of space and the expansion of the cosmos, become infested by zeros and infinities and stop making sense.

5. en.wikipedia.org › wiki › History_of_the_Big_Bang_theoryHistory of the Big Bang theory - Wikipedia

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   The history of the Big Bang theory began with the Big Bang's development from observations and theoretical considerations. Much of the theoretical work in cosmology now involves extensions and refinements to the basic Big Bang model. The theory itself was originally formalised by Father Georges Lemaître in 1927. [1]

6. en.wikipedia.org › wiki › The_Big_Bang_TheoryThe Big Bang Theory - Wikipedia

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   The Big Bang Theory is an American television sitcom created by Chuck Lorre and Bill Prady, both of whom served as executive producers and head writers on the series, along with Steven Molaro. It aired on CBS from September 24, 2007, to May 16, 2019, running for 12 seasons and 279 episodes.

7. People also ask

   What is the Big Bang theory?

   • We've all heard of the Big Bang theory (I'm talking about the cosmological model, not the TV show), but it's important to understand what that theory is and what it's not. Let me take this opportunity to be precisely, abundantly, emphatically, ridiculously, fantastically clear: The Big Bang theory is not a theory of the creation of the universe.

   What Triggered the Big Bang? It's Complicated (Op-Ed) - Space.com

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   Is there a question mark on the Big Bang theory?

   • In the beginning, there was a question mark. All else followed. The end. We've all heard of the Big Bang theory (I'm talking about the cosmological model, not the TV show), but it's important to understand what that theory is and what it's not.

   What Triggered the Big Bang? It's Complicated (Op-Ed) - Space.com

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   Who invented the Big Bang theory?

   • The first cosmological theory of the Big Bang type dates back to 1931, when Belgian physicist and Catholic priest Georges Lemaître proposed a model based on the radioactive explosion of what he called a “primeval atom” at a fixed time in the past.

   How did the Big Bang get its name? Here’s the real story - Nature

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   When should I say the Big Bang theory?

   • Say it before you go to sleep, and first thing when you wake up. The Big Bang theory is a model of the history of the universe, tracing the evolution of the cosmos to its very earliest moments. And that's it. Don't try to stuff anything else into that framework. Just stop. You can keep your meta safely away from my physics, thank you very much.

   What Triggered the Big Bang? It's Complicated (Op-Ed) - Space.com

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   Is there evidence for the Big Bang theory?

   • The best we can do is say that there is strong evidence for the Big Bang Theory and that every test we throw at it comes back in support of the theory. Mathematicians prove things, but scientists can only say that the evidence supports a theory with some degree of confidence that is always less than 100%.

   What is the Big Bang Theory? | Space

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   Is the Big Bang theory a scientific model?

   • The Big Bang theory is a scientific model, just like any other scientific model. We believe the theory is on the right track because it's — gasp — supported by extensive evidence. You don't have to take my word for it.

   What Triggered the Big Bang? It's Complicated (Op-Ed) - Space.com

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8. www.nature.com › articles › d41586/024/00894-zHow did the Big Bang get its name? Here’s the real story

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   Mar 25, 2024 · The first cosmological theory of the Big Bang type dates back to 1931, when Belgian physicist and Catholic priest Georges Lemaître proposed a model based on the radioactive explosion of what he...