Daniel Pomarède

Two-faced star with helium and hydrogen sides baffles astronomers: https://theguardian.com/science/2023/jul/19/two-faced-star-with-helium-and-hydrogen-sides-baffles-astronomers-janus

Credit animation : K. Miller, Caltech/IPAC

See also:
➡️ the Nature paper by Ilaria Caiazzo and co-authors: https://nature.com/articles/s41586-023-06171-9
➡️ the Keck Observatory Science News: https://keckobservatory.org/janus

#universe #astronomy #astrophysics #astrodon #dwarf #star #dwarfstar #janus #whitedwarf #stars

Two-faced star with helium and hydrogen sides baffles astronomers

White dwarf nicknamed Janus could be in transition from one element dominating at its surface to the other

The Guardian
Jul 20, 2023 at 10:34amWeb
Show threadGurre VildskäggJul 20, 2023
@pomarede I'm very far from an astronomer and I don't at all understand how that could be possible.
Will be looking forward to the youtube videos explaining it (at a level I can understand) from Anton Petrov and/or Dr. Becky.