Betelgeuse Explained
![](https://i.ytimg.com/vi/LrrNu_m_9K4/mqdefault.jpg)
33:12
Why We May Be Surrounded by Older Alien Civilizations
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20:06
The Star That Can't Exist
![](https://i.ytimg.com/vi/nAJN1CrJsVE/mqdefault.jpg)
21:34
The Final Barrier to (Nearly) Infinite Energy
![](https://i.ytimg.com/vi/RUOBvpCPaFs/mqdefault.jpg)
55:50
Bételgeuse, l’étoile mystérieuse par Pierre Cruzalèbes
![](https://i.ytimg.com/vi/P_fHJIYENdI/mqdefault.jpg)
24:52
The Most Useful Thing AI Has Done
![](https://i.ytimg.com/vi/vFNgd3pitAI/mqdefault.jpg)
15:01
What would we see at the speed of light?
![](https://i.ytimg.com/vi/TAQKJ41eDTs/mqdefault.jpg)
23:06
Is the Sun Unusual?
![](https://i.ytimg.com/vi/sbUgb2OPpdM/mqdefault.jpg)
27:49