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zakruti.com » Knowledge, science, education » Crash Course
A Brief History of the Universe: Crash Course Astronomy #44

A Brief History of the Universe: Crash Course Astronomy #44

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Rating: 4.0; Vote: 1
Thanks to the wonders of physics, astronomers can map a timeline of the universe-s history. Today, Phil-s going to give you an overview of those first few minutes (yes, MINUTES) of the universe-s life. It started with a Big Bang, when the Universe was incredibly dense and hot. It expanded and cooled, going through multiple stages where different kinds of matter could form. It underwent a phenomenally rapid expansion called inflation, which smoothed out much of the lumpiness in the matter. Normal matter formed atoms between 3 and 20 minutes after the bang, and the lumps left over from inflation formed the galaxies and larger structures we see today. Crash Course Astronomy Poster
Date: 2022-04-04

Comments and reviews: 10


Two things came to mind when watching this video 1)Big Bang theory is when the computer system went from a blank black screen to the -power- button being turned on and all electric power was distributed throughout the entire solar system. They say -years on earth are only seconds in heaven-. 2) what comes to mind next when talking about in-depth -expansion-, is that the Big Bang is just like a woman becoming pregnant and her uterus expanding as the cells grow and develop into tissue, organs, organ systems. maybe we are not at the end of -Mother Earth-s- 9 months to deliver. or maybe we are, and that is why we are In the age of -Ascension-. -seconds in heaven are like years on earth- -Mother Earth- -we are a universe within a universe- our bodies are the same -as above so below- etc.
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4: 20 The quote Phil stated used to be found on older maps of the world, prior to our discovering of Antarctica and realizing a boat did not simply float away into nothingness. Cartographers (map makers) would often place this Latin quote in the far off corners of the then unknown world. Many believed and misquoted it as _Here be dragons_ when it actually read _Here be lions_ instead. The idea being, unknown creatures of oddity were located in these areas because in reality, they had absolutely zero idea of what truly was found there.
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Thank you for making this video, and I have some questions.
1) What created the space that the big bang was able to explode into?
2) You said that everything started as a big bang, does anyone know if all the mass that was produced by this went out in space in equal dimensions? Such as when you drop a stone into a pool of water.
3) Does anyone have any idea what area of the universe this so called big bang started?
4) Why doesn't our moon look like earth? It is basically the same distance from the sun that we are.

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I like to believe that the Big Bang is a cosmological event that happens after an unforeseen black hole of unimaginable size collides with another celestial body causing it to explode outwards in all directions causing a shock wave. That shock wave would be the cosmic background radiation that we cannot see past. We will never see past is because it blows away all matter it encounters on the other side. I-m sure there-s a way to prove this mathematically but I-m no Albert Einstein unfortunately.
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HEY why when the universe was young and compact didn't it collapse back into a black hole? Surely the density right after inflation, when it was a meter or so across, was enough to form a black hole. So why didn't it? Why did it keep expanding?
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If everything was tightly packed and dense back then wouldn-t those conditions be fit for formations of black hole? Maybe the early formation of the cosmos-s explains what-s inside the black hole?
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With so many information flowing through my head. I had to make enough room for them, with a such limited available space left. Maybe I had to remove some of its feature. So. Goodbye my hair.
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I enjoyed this episode very very much. You've explained in such a professional manner things that I knew them before but the recapitulation is always important.
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The particles in our bodies were in the very hot sea of electrons and quarks, next to the particles of the entire Universe. wrap your mind around that!
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in the beginning there was nothing then evrything. quantum law information can not be created or destroyed wat do they mean with noting and evrything: D
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