Discovery of Massive Black Hole Gaia BH3

Ten U.S. and 2 United Arab Emirate astronauts have completed 2 years of training. Astronomers discovered a black hole with a mass 33 times greater than the sun, located 2,000 light-years from Earth in the constellation Aquila. This black hole, named Gaia BH3, is the largest known stellar black hole in the Milky Way.