Spoiler: Bit graphic prison description I'm not sure what the "you were warned BEFORE" thing is in reference to... Maybe written by someone who meant to say before they got to prison?
When it's flying through space, it's called a meteor. When it hits the ground on Earth, it's called a meteorite. Though I learned it in school, it was reinforced by the Dinosaur TV show when insurance agent explained why their "Meteor Insurance" didn't cover anything when a meteorite destroyed their TV.