A galactic collision moving at 2 million miles per hour revives a perilous ‘cosmic crossroads.’
2-million-mile-per-hour galactic crash reawakens a dangerous ‘cosmic crossroads’ (Image Credit: Space.com) Using one of the most powerful telescopes on Earth, astronomers have witnessed an intimidating 2-million-mile-per-hour (3.2-million-kilometer-per-hour) smash-up between galaxies at a dangerous “cosmic crossroads,” the site of multiple previous collisions. The collision occurred when the galaxy NGC 7318b ripped through the […]