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 earth will be cooked to a cinder! Take a tour through the solar system, learn about the event horizon of black holes and find out when our galaxy began. To start, double-click on the track named "Sol" below.
This is great educational material and I was very pleased with how it was done. Great graphics!