Overview: From the furthest reaches of space to our own cosmic backyard, we count down the discoveries that changed everything we know about our universe.
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First Air Date: Apr 25, 2010Last Air date: Apr 02, 2023Season: 11 SeasonEpisode: 94 EpisodeRuntime: 42 minutesQuality: HDIMDb: 8.20 / 10 by 104 usersPopularity: 33.015Language: English