A galaxy cluster merger 1 billion years ago created a shockwave 60 times larger than the Milky Way, offering insights into complex galactic physics. Astronomers have a thing for big explosions and collisions, and it always seems like they are trying to one-up themselves in finding a bigger, brighter one.  There’s a new entrant to … Continue reading Astronomers See an Enormous Shockwave – 60x Bigger Than the Entire Milky Way Galaxy