A star spinning at 15,000 miles per second tests Einstein theory of relativity

The Milky Way galaxy is anchored by a supermassive black hole named Sagittarius A*, that has a mass over four million times greater than the sun. While Sagittarius A* exerts an influence on everything inside its cosmic neighborhood, astronomers have detected one particular cosmic thrall that may offer a glimpse into some of the universe’s most profound and puzzling concepts. As researchers detail in a study published today in the journal Nature, a star dubbed S301 exists so close to Sagitt