White dwarfs are dead stars. A single white dwarf contains roughly the mass of our sun in a volume no bigger than our planet. Our sun will become a white dwarf someday. Source: https://earthsky.org/astronomy-essentials/white-dwarfs-are-the-cores-of-dead-stars…
Tag: black dwarf
What are brown dwarfs?
A brown dwarf is more massive than a planet, but less massive than a star. Exactly how much more and less? Source: https://earthsky.org/space/definition-what-are-brown-dwarfs…
The end of the universe may be marked by ‘black dwarf supernova’ explosions
A spectacular fireworks show will light up an otherwise pitch black universe. Source: https://www.livescience.com/black-dwarf-supernovae-end-universe.html