Chris VaughanCHRIS 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. HisAstronomy Skylights blog at www.AstroGeo.ca is read worldwide, and he is a regular contributor to SkyNews magazine, Space.com, and popular astronomy apps. Read More Read Less