Tuesday, 21 March 2017

This Star Is Orbiting a Black Hole at 1% of the Speed of Light

47 Tucanae X9 is a star system located almost 15,000 light years away. Scientists have been studying it for years—since 1989—but this week they found something shocking: the system’s star is incredibly close to a black hole and orbits it at an extraordinary speed.
Read the full article: This Star Is Orbiting a Black Hole at 1% of the Speed of Light