That is Earth in eight hundred years. Or, perhaps, in half a century. Or even in a year. And that’s not science fiction: if some known asteroids hit it, our planet can really get rings like those around Saturn. What’s more, in the distant past, Earth already had them, and not only once. In this video, you’ll find out: where do planets get such space accessories from? Why do we owe our lives to the rings of Earth? And why wouldn’t you want our planet to have them back soon?