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科學好好聽

〈EP.28|宇宙的重力波〉

27 May 2025

Description

本節目提到重力波是宇宙空間彎曲的漣漪,由黑洞合併、超新星爆炸等劇烈事件引起,愛因斯坦預言百年後,美國LIGO於2015年首次偵測到重力波,日本KAGRA也於2020年啟用,其靈敏度更高;重力波觀測透過雷射干涉儀測量極微小的空間長度變化,如黑洞合併時太陽與地球距離僅變化一個氫原子長度,2015年偵測到的重力波來自十三億光年外兩個黑洞合併,首次獲得來自黑洞的訊號,開啟重力波天文學;此外,節目還提到宇宙誕生時的「暴脹」現象也可能引發重力波,若能偵測到將是重大突破,日本天文學家佐藤勝彥的暴脹理論有望因此獲諾貝爾獎。 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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