Crash Course Astronomy: White Dwarfs and Planetary Nebulae

I'll be honest: Every episode of Crash Course Astronomy has been fun to write, edit, and shoot. They all really have. But the past few episodes, and the next few to come, deal with one of my favorite topics in astronomy: What happens when a star decides to give up the ghost. When stars die all sorts of fantabulous things happen: They explode, they leave behind bizarre ultradense objects, they fling gas into space that creates amazing and breathtaking shapes and colors. This week, CCA is about wh...