Sgr A*, in turn, is dwarfed by some supermassive black holes detected in other large galaxies such as one with a mass 6.5 billion times greater than that of the sun in a galaxy called Messier 87. That ...

Discovered by Charles Messier in 1764, M20 is a star-forming nebula located 9,000 light-years away from Earth in the constellation Sagittarius. The Orion Nebula (also known as Messier 42 or NGC 1976) ...

According to the researchers, data on the trajectory of these stars indicates they were flung out of the Large Magellanic Cloud after a ... aside from the one called Sagittarius A*, or Sgr A* ...