How black holes and shredded stars can illuminate galaxies
In 2014, a strange cloudy object called G2 approached Sagittarius A*, the supermassive black hole at the center of the Milky Way. Astronomers were pretty excited, in part because they thought Sag A*’s intense gravity might tear it apart. That didn’t happen, and the event became a cosmic uproar. G2 survived the flyby by skipping … Read more