3 宇宙之光與微波背景
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3 宇宙之光與微波背景
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本篇論述電磁波譜，闡釋了「光」的範疇，從最短波長的伽馬射線到最長波長的無線電波，並指出我們肉眼可見的光僅佔其中一小部分。 文章接著解釋了宇宙的早期歷史，重點介紹了宇宙微波背景輻射 (CBR)，這種輻射是宇宙誕生約 38 萬年後，光子首次能夠自由穿梭於宇宙時的殘留物。 最後，本文描述了 CBR 是如何被意外發現的，它如何證實了大爆炸理論，並提供了一個窺探早期宇宙並推斷其基本屬性的寶貴窗口。留言告訴我你對這一集的想法： https://open.firstory.me/user/cmc7mm5p90a6z01ry7gtrdmjg/comments
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