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zakruti.com » Knowledge, science, education » Crash Course
Exploring the Universe: Crash Course Big History #2

Exploring the Universe: Crash Course Big History #2

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Rating: 4.0; Vote: 1
In which John Green, Hank Green, and Emily Graslie teach you about what happened in the Universe after the big bang. They'll teach you about cosmic background radiation, how a bunch of hydrogen and helium turned into stars, formed galaxies, created heavy elements, and eventually created planets
Date: 2022-04-04

Comments and reviews: 8


Hiii John and Hank
You guysss are just amazinggggg
But I have a doubt
You said that everything that is there is formed by the remains of a dead staror the gases released by the star and we too have been formed that way only thing is we have changed form. So that how earth has life right? But May I ask that if the stars emitted such super formative gases(I don't think that's a word) but basically something that has formed everything why is it that only Earth being formed as a planet has life? These gases formed other planets too and so are there chances of life on those planets as well? Is that possible?

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This has nothing to do with the video but before the video played there were two adds that were shown and the irony of the two being shown together was amazing. The first one was a really insightful educational video about nutritional needs and how an overemphasis in society in reducing fat content has led to an overabundance of unhealthy amounts of sugar flavorings in our diets. The second add shown was trying to sell an an extremely unhealthy and sugary beverage that is the exact kind of thing the first add was warning against.
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. and already science has moved on. We now 'know' that the gold in your ring, was more likely formed in the merger of two neutron stars, rather than a supernova. (PS. I also think that the gold we can mine, was sprinkled across the surface of the planet by meteors, in the second heavy bombardment, as the stuff in the original planet formation has sunk to the centre of the Earth. I think)
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All these people watching this video getting their minds blown, and I'm like seriously I've been watching Morgan Freeman's Through the Wormhole since I was eight years old.
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if that were true there would be many earths and many people elsewhere where are they and why would bacteria turn into something that has to work harder to exist?
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- the universe is cooking -, only the point obnect, when compared to with the whole universe, the earth is in ' global warming- -? How is that possible?
Thanks.

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(Spoiler alert this comment is cornier then a bowl of popcorn)
If we learn about the Big Bang, are we technically learning about our matters ancestry?

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all of the elements execept some very un-heavy elements were created! uh what about the ones created by. atom colliders?
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