Deeeeeep Thinking with Hank and John Green

This coming Thursday is the premier of Crash Course Astronomy, where, over the course of 40+ short YouTube videos, I'll be waxing prosaic about all sorts of cosmic thinkery. I have a syllabus I'm working from for the show, which I put together along with the help of a team of folks (including my dear friend and all-around astronomy wonder Michelle Thaller). The very last few episodes will be dealing with some Very Big Concepts: The evolution and eventual future of the Universe itself. It's somet...