Home Science Astronomy Introduction to AstronomyScienceAstronomyIntroduction to AstronomyWelcome 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?"By Watch and Study - Feb 18, 2016409 RELATED ARTICLESMORE FROM AUTHOR PhysicsEpic Space Rescues ft. BrainCraft AstronomySpace Elevators AstronomyTractor Beams: Almost Real! AstronomyFootball Disease, Moon Base Dreams, and the Deepest Vents Ever! AstronomyA Brief History of the Universe: Astronomy #44Tell us what you think!