Star Hiding in Plain Sight Turned Out To Be The Most Extreme Quasar We've Ever Seen

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Canada Anton Petrov
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Hello and welcome! My name is Anton and in this video, we will talk about a discovery on an extremely powerful quasar forming the most powerful energy source in the universe
Links:
https://www.eso.org/public/news/eso2402/
https://www.eso.org/public/archives/releases/sciencepapers/eso2402/eso2402a.pdf
https://arxiv.org/abs/2310.02330
https://arxiv.org/abs/2402.01844
#quasar #blackhole #astronomy

0:00 Most powerful black hole ever seen
0:50 We thought it was just a star though
1:30 First images from 1980s
2:10 Recent GAIA Observations ignored it too
2:40 Recent Australian observations accidentally discovered it's a quasar
3:40 Largest accretion disk ever seen - 7 light years
4:00 Insane properties
5:10 No explanations
5:25 Produces insane energy - supernova/second
6:50 Energy efficiency...important for SETI
7:40 Some galaxies hide their quasars well
8:55 Conclusions about galactic evolution

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