What Would Happen If Comet Swift-Tuttle Hit the Earth?

Shooting stars may fill you with child-like wonder, but these celestial showstoppers are also reminders that Earth is hardly alone in space, and some of those cosmic objects can be downright dangerous. The Perseid meteor shower, which appears every year in mid-August, occurs when Earth passes through a trail of debris left by Comet Swift-Tuttle. In 1973, based on calculations … Continue reading →