Smallest Star Ever Found Beats All Records and Formed in a Bizarre Way

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Hello and welcome! My name is Anton and in this video, we will talk about a discovery of the smallest by volume star we've ever seen
Links:
https://www.nature.com/articles/s4155...
https://arxiv.org/abs/2009.08611
#stars #astronomy #whitedwarf

0:00 Record smallest star ever - hot subdwarf
1:45 Size comparison
3:00 How this was found
3:48 How this star formed
5:00 Binary population synthesis
6:10 Shortest binary orbit ever

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Images/Videos:
ESO/L. Calçada, INAF-Padua/S. Zaggia - https://www.eso.org/public/images/eso... CC BY 4.0
Jingchuan Yu, Beijing Planetarium
Mark Garlick https://www.markgarlick.com/

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