"The Core Black Hole, also known as Sagittarius A*, is a supermassive black hole at the center of the galaxy. It is over four million times the mass of Sol Terra's sun."@en . . "The Core Black Hole, also known as Sagittarius A*, is a supermassive black hole at the center of the galaxy. It is over four million times the mass of Sol Terra's sun."@en . "Core Black Hole"@en . .