Crash Course on Our Solar System & Beyond

Want to know why we don't have to worry about our sun burning out?  It's because long before that happens the sun will expand so enormously that the earth will be cooked to a cinder!  And again, don't fret, that wont happen for another 4-5 Billion years. Take a tour through the solar system, learn about the event horizon of black holes and find out when our galaxy began.