Crash Course on Our Solar System & Beyond
Want to know why we don't have to worry about our sun burning out?
2011-07-06 19:00:00 - Aat van Rees
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.