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zakruti.com » Knowledge, science, education » TED-Ed
The woman who stared at the sun - Alex Gendler

The woman who stared at the sun - Alex Gendler

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Rating: 4.5; Vote: 2
Get to know the legacy of Hisako Koyama, whose drawings of the sun s surface helped scientists reconstruct 400 years of sunspot activity. In 1944, amateur astronomer Hisako Koyama s latest endeavor was sketching the sun s shifting surface. She spent weeks angling her telescope towards the sun and tracking every change she saw with drawings. Little did she know, these drawings were the start of one of the most important records of solar activity in human history. Alex Gendler details the incredible legacy of Koyama's work. michale: Uh excuse me TedEd last time I checked, it's hydrogen into helium, you guys have said oxygen at 1: 15, correct it before conspiracy theories start again,
Date: 2021-05-24

Comments and reviews: 8


1: 15 its Hydrogen atoms (not molecules) fusing into other Hydrogen atoms (not molecules) causing a fusion reaction that creates Helium atoms (not molecules. Also they are not gases at that state they are liquid or maybe in-between liquid and solid. Truth is we dont know. But absolutely not gases
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It's not oxygen molecules that fuse to make Helium atom but rather hydrogen atoms 1: 14
There is no fusion of molecules or even formation of molecules inside or anywhere near the core of stars. Stars are mostly made up of atoms since the extreme heat doesn't allow such bond formation.

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2: 23, by rotation, does it mean the spots actually move due to rotation or seem to move due to rotation? i. e. like moves due to coriolis force kind or moves like cities do kind?
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Awesome video as always. but on 1: 14 made me question myself. I know oxygen is created by the slow fusion of carbon and helium but Helium is produced by fusing 4 hydrogen atom.
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I think you made a mistake at 1: 14, you said oxygen molecules fuse into helium but I'm pretty sure that's supposed to be hydrogen molecules into helium.
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00: 01: 15 I think there is a mistake here. It's hydrogen not oxygene that fuses into helium.
And I think its atoms and not molecules that fuse

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Can all the people here stop commenting about that Oxygen mistake. There are a million other comments I think they got the point.
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You need to fix your video. It's hydrogen, not oxygen. You don't know how fusion works so I can't take your video seriously
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