Introducing Janus, the exotic 'two-faced' white dwarf star
Scienets have observed a white dwarf star, named for the two-faced ancient Roman god, that appears to have two sides with completely different compositions.
An artist's concept shows the two-faced white dwarf star nicknamed Janus.(photo credit: K. Miller, Caltech/IPAC/Handout via REUTERS)ByREUTERS