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Ian Ridpath

Ian Ridpath is an English writer and editor on astronomy and space. He is author of a standard series of observing guides for amateur astronomers: the Collins Stars & Planets Guide (known in the US as the Princeton Stars & Planets Field Guide); Collins Gem Stars; and The Monthly Sky Guide, all illustrated by Wil Tirion, the world's foremost celestial cartographer. He is editor of the authoritative Oxford Dictionary of Astronomy and of the last three editions of Norton's Star Atlas, the longest...See more