Why are meteor showers like the Perseids so common? Turns out, space isn't as empty as you might think. It's littered with debris that forms those spectacular meteor shower we look forward to each year.
Solar eclipses are rare and you can never predict when an aurora will illuminate the sky. But there's one cosmic light show we can always count on. Meteor showers. They happen around the same time each year and have been doing so for centuries. But despite their brilliance and beauty it doesn't take much to make a meteor shower. You just need three ingredients, the sun, Earth and a comet.
