The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary research Sara Hashemi Daily Correspondent An artist’s concept of a white ...

According to their modeling, the researchers estimate the white dwarf could have been about one-tenth the mass of the sun. In contrast, the supermassive black hole itself is on the order of 1 ...

The supermassive black hole at the center of the Milky Way, called Sagittarius A*, is about four times more massive than this one. White dwarfs are among the most compact objects in the cosmos ...