What animal's heart can weigh as much as a small car?

Blue whale

Who dreamed the sun, moon, and stars bowed down to him? Which first-person shooter game popularized 'capture-the-flag' multiplayer mode with Spartans fighting online? In which year did "Counter-Strike: Global Offensive (CS:GO)" release? The Great Fire of London occurred in which year? Who succeeded Queen Elizabeth I to the English throne?