Galaxies From Nothing
All the large-scale structure in the universe may owe its existence to nothing. Sponsored by the Dyson 360 Eye Robot #ad: http://bit.ly/2cGqBRV Support Veritasium on Patreon: http://bit.ly/VePatreo...
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We take it for granted that our universe contains planets, stars and galaxiesbecause those are the things we see but the only reason these big structuresexist is because of the nature of nothingness - empty space. But tounderstand why we have to go back to the beginning. The very beginning. The big bang.You know, I always thought that in the Big Bang the observable universestarted as a point and then just expanded steadily more or less to thepoint that we're at today but that's not actually how it happened.There were four different phases in the universe's expansion. To start it was expandingsteadily but then after just a tiny fraction of a second the expansion justblew up and the whole universe increased in size by like ten to the twenty...
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We take it for granted that our universe contains planets, stars and galaxiesbecause those are the things we see but the only reason these big structuresexist is because of the nature of nothingness - empty space. But tounderstand why we have to go back to the beginning. The very beginning. The big bang.You know, I always thought that in the Big Bang the observable universestarted as a point and then just expanded steadily more or less to thepoint that we're at today but that's not actually how it happened.There were four different phases in the universe's expansion. To start it was expandingsteadily but then after just a tiny fraction of a second the expansion justblew up and the whole universe increased in size by like ten to the twenty...
