Hesperus (planet)
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Hesperus was a human colony planet. It was one of many prepared by Mechonoids but subsequently forgotten, with humans never arriving.
Two hundred and seventy years after colonisation and arrival of the Mechonoids, several hundred Daleks, Spider Daleks and reprogrammed Movellans arrived on Hesperus and fought the Mechanoids. (PROSE: War of the Daleks)