Just like the embers of an abandoned campfire can only cool down with time, the white dwarf Sun will gradually become dimmer ...

If these weird episodes are the result of an orbiting white dwarf, a type of stellar remnant left behind when a star with around the mass of the sun dies, then this dead star is performing an ...

The white dwarf, or dead star, in question is the compact companion of the star HD 49798, which is located around 1,700 light-years away from Earth with a mass around 1.5 times that of the sun.