We think the one that got the dinosaurs was about five miles wide. Where are they? There's something called the Kuiper belt, which — some people think Pluto's not a planet, that's where Pluto is, it's in the Kuiper belt.
Hay algo llamado el Cinturón de Kuiper, el cual — algunas personas piensan que Plutón no es planeta, ahí es donde está Plutón, en el Cinturón de Kuiper.