It was the Roaring ’20s, a time of moral decadence. An era best categorized by bootleggers, booze, flappers and jazz. Ladies’ dresses and hairstyles became shorter, music became ...

causing the comet to blow out a forked tail—likely due to a relatively ice-free notch in its surface. The twin streaks give the comet the appearance of devil horns. That descriptor is an ancient ...