From the speed of light to moving mountains ¿ and everything in between ¿ Zoom reveals the universe's never-ending journey

Bob Berman, one of Americäs top astronomy writers, contributed the popular ¿Night Watchman¿ column to Discover for seventeen years. He is the author of The Sun¿s Heartbeat and is currently a columnist for Astronomy, a host on Northeast Public Radio, and the science editor of the Old Farmer¿s Almanac. He lives in Willow, New York.