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知識的饗宴 遇見科學23. 舞動旋臂的星系
觀看人次：
1923
簡介
梵谷畫作星空 (Starry Night) 裡，居中纏繞旋轉、充滿旺盛流動力量的星星，就像是真實宇宙裡耀眼壯麗的螺旋星系。我們地球所處的銀河系也是螺旋狀的星系。在可觀測的宇宙裡有三百億個星系，不少星系的模樣就像銀河系般，有個美麗的螺旋結構，這類星系是怎麼形成？運動？維持她舞動的旋臂？
本集節目將帶領觀眾從銀河系來認識螺旋星系，並藉由林家翹與徐遐生提出的密度波理論；以及中研院天文所袁旂博士團隊的星系電腦模擬，進一步探究那舞動的旋臂，如何在星空調色盤上，持續揮灑著過去、現在和未來的故事圖畫。
關於
分級:
普遍級片長:
49 min發音:
華語發行:
2006-12導演:
林克隆,李國豪,公視基金會, 中央研究院
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