CHRIS VAUGHAN is an award-winning Astronomer and Earth Scientist with a lifelong passion for visual observing. He operates the David Dunlap Observatory's 74" telescope, volunteers for RASC, and visits schools with his Digital Starlab planetarium. His Astronomy Skylights blog at www.AstroGeo.ca is read worldwide, and he is a regular contributor to SkyNews magazine, Space.com, and popular astronomy apps.