Quick question: How long would it take for the light to go out on earth if the sun stopped working? 30 seconds? 2 seconds? 8 minutes? If you said 8 minutes - you're right! To be exact, it would take 8 minutes and 20 seconds before we knew that the sun stopped burning. But that's not happening anytime soon - you have plenty of time for your kid to learn a whole lot more about the closest star to earth, like 7 or 8 billion years! You'll learn that and WHOLE lot more about how the sun works on this episode of Who Smarted? And sign up for our episode activity guides for free at www.WhoSmarted.com See omnystudio.com/listener for privacy information.