Announcing Crash Course Astronomy!

I've been hinting for some time about a secret project I've been working on, and the time has finally come to announce it: I'm writing and hosting an online astronomy video series! The series will air on the PBS Digital Studios YouTube network starting in January, and -- get this -- is done as part of Hank and John Green's Crash Course video series. Yes, that Hank and John Green, the Vlog Brothers. Hank approached me about it last summer, and we quickly worked out the details. I recently starte...