These tiny layers let carbon from the core reach the surface through semi‑convective mixing. The envelope structure, combined with the low carbon abundance, fits only a rare white dwarf merger origin.

The discovery of a rare type of white dwarf star system provides new understanding into stellar evolution. White dwarfs are small, dense stars typically the size of a planet. They are formed when a ...

Astronomers have recently observed a planet being torn apart by its “zombie” white dwarf star, a phenomenon that challenges current understanding of stellar evolution. This intriguing event, reported ...

Cataclysmic variables (CVs) are close binary systems in which a white dwarf accretes material from a companion star, typically a low‐mass, main-sequence star. The accretion process, often mediated by ...

White dwarf stars (WDs) are the most numerous members of the stellar graveyard. It is widely accepted that more than 97% of the stars in the universe will evolve into WDs. These numerous objects are ...

Astronomers have discovered a rare type of red dwarf star system, only the second of its kind to have been found. The discovery will help provide astronomers and scientists with a better understanding ...

The discovery of a rare type of white dwarf star system provides new understanding into stellar evolution. The discovery of a rare type of white dwarf star system provides new understanding into ...