Become a KCTS 9 Passport member for just $5 a month to access thousands of hours of PBS programs and specials
Your donation supports an essential community service, is tax-deductible, and helps make the programs you depend on possible
Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with your naked eye.
Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?"