New discovery could be a dying red giant star that swallows an orbiting neutron star.

New discovery could be a Thorne-Zytkow object


A Thorne-Zytkow object, Kip Throne and Anna Zytkow theorized back in 1975, could come to exist when a dying red giant star swallows an orbiting neutron star. The result would be, the researchers suggested, a star with another smaller star embedded in its core and which would overall resemble other known types of stars but would emit a different and unique chemical signature

Read more at: [link to phys.org]