Good afternoon, my swellcast family. Good afternoon. Today, I wanted to talk about black holes, and I know you're like, oh, my God. Here she goes with this science stuff. Well, you know what? I love science, and what I want to talk about today is because astronomers believe that each galaxy has a black hole at its center. And ours, the Milky Way galaxy, is no exception. So, what is a black hole, you say?