Overview: Computer programs for the amateur astronomer plus tools for tracking Halley's Comet. Demos: Tellstar, StarSoft HalleyComet Halley
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First Air Date: Feb 05, 1984Last Air date: Dec 06, 1991Season: 19 SeasonEpisode: 150 EpisodeRuntime: 23 minutesQuality: HDIMDb: 7.00 / 10 by 1 usersPopularity: 11.077Language: English