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科學好好聽

〈EP.27|星系是怎麼形成的〉

26 May 2025

Description

本節目提到宇宙由數千億個星系組成,星系分為螺旋星系、橢圓星系和不規則星系,其中螺旋星系如銀河系由核球、星系盤和星系暈組成;宇宙初期星系如何形成仍是謎團,但已知最遠的星系EGS8p7在宇宙誕生六億年後形成,天文學家致力尋找更早期的星系以了解恆星誕生之謎;宇宙中星系分布不均勻,呈現「宇宙的大尺度結構」,受重力影響形成星系群、星系團和超星系團,而我們的太陽系位於銀河系,屬於本星系群,也是室女座超星系團的一員,宇宙的大尺度結構正因暗能量持續膨脹。 Music from #Uppbeat (free for Creators!): https://uppbeat.io/t/augustine/happy-thoughts (https://click.pstmrk.it/3s/uppbeat.io%2Ft%2Faugustine%2Fhappy-thoughts/vZub/Mhq9AQ/AQ/9a81cc98-33e3-4393-988c-e260893fbecf/4/dtHb1EMCam) License code: 8OVD4G7T97U9LV7C Music from #Uppbeat (free for Creators!): https://uppbeat.io/t/augustine/morning-delight (https://click.pstmrk.it/3s/uppbeat.io%2Ft%2Faugustine%2Fmorning-delight/vZub/Xxq9AQ/AQ/ca281cb2-e180-44ce-940b-77e13433f497/4/LsEyUh3NZJ) License code: TWE91SVFFA9Q2WDW -- Hosting provided by SoundOn

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