不是那種天文學 Astronomy, But Not What You Think!
不是那種天文學天文研究者與大眾之間，似乎隔著幾億光年的距離。 《不是那種天文學 Astronomy, But Not What You Think》是一檔由清大天文研究生團隊製作的 Podcast， 試圖用輕鬆自然的語調，講述那些被誤解、被浪漫化、也被忽略的天文日常。 我們曾於國科會創意科普影片競賽中獲得金獎與創意獎的肯定， 本節目希望以許多大眾熟悉的疑問為起點，串連研究中的真實問題與趣味故事， 介紹從星際塵埃到黑洞、從望遠鏡到電腦模擬的多元議題。 透過聲音，我們邀請你一起看見星空背後的科學與熱情。 各平台收聽連結：linktr.ee/astronomybnwut 支持我們：p.ecpay.com.tw/07D4837 -- Hosting provided by SoundOn
| Publishes | Weekly | Episodes | 77 | Founded | 2 years ago |
|---|---|---|---|---|---|
| Language |  Chinese (Traditional) | Number of Listeners | Categories | AstronomyEducationScience |
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大家有沒有想過，銀河系為什麼長得像一個大漩渦？
既然星系裡的恆星都在繞著中心公轉，而且內外側的角速度還不一樣，
那麼經過幾十億年，螺旋臂難道不會越捲越緊嗎？
這個問題，曾經困擾天文學家很長一段時間。
直到 1960 年代，林家翹與徐遐生（Frank Shu）共同發展了著名的螺旋密度波理論（Spiral Density Wave Theory）。
他們提出了一個重要的想法：
我們看到的螺旋臂，可能就像高速公路上的塞車。
車子會不斷進入、離開壅塞路段，但塞車的區域卻可以持續存在... more
上一集我們說，黑洞其實不是完全黑的。
它有溫度、會產生霍金輻射，
甚至可能在非常、非常漫長的時間之後，整顆蒸發掉。
如果黑洞最後真的消失了，那以前掉進去的東西呢？
按照量子力學，資訊可以被打亂、被藏起來，
卻不應該真正從宇宙中消失。
但霍金的計算，似乎告訴我們：
黑洞蒸發完，資訊也跟著沒了。
於是，一場關於黑洞資訊悖論的爭論，
就這樣持續了幾十年。
這一集，我們從黑洞蒸發、資訊悖論，
一路講到霍金那場著名的世紀賭局，
以及他晚年的研究與《時間簡史》。
也為這... more
黑洞不是連光都逃不出來嗎？
那它怎麼會「蒸發」？
這個問題在 1970 年代，也困擾著霍金本人。
原本只進不出的黑洞，卻開始出現一些非常可疑的熱力學特徵：
它有熵、有溫度，甚至會產生輻射。
而當霍金真的把量子力學放進黑洞附近的彎曲時空裡計算，
他得到了一個連自己都想辦法弄掉的答案：
黑洞真的會輻射。
這就是霍金輻射。
這一集，我們從霍金的早年、Penrose 的奇異點定理，
一路走到 Bekenstein 的黑洞熵，
以及那個讓黑洞不再真正「全黑」的 1974 ... more
你知道每年的 10 月 4 日到 10 月 10 日，其實是「世界太空週」嗎？
而今年，歐洲太空總署 ESA 為了慶祝世界太空週，決定找來一位神秘嘉賓。
黃色的。有兩隻長耳朵。臉頰會放電。比路邊的野狗還要多。
沒錯。
ESA 找來了皮卡丘！！！！
今年 4 月，一隻特製的「太空人皮卡丘」跟著 ESA 太空人前往國際太空站，
在距離地表大約 400 公里的軌道上待了 67 天，繞了地球超過一千圈。
現在，它還正式進入了 Pokémon GO。
所以這一集，
我們就從一隻真的上... more
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Apple Podcasts5理科考試都亂猜的文組生
Taiwan3 months ago - 請lín食咖啡
我chìn甲意天文學
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多謝️！
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Apple Podcasts5A’chhiuTaiwan5 months ago - 第一次donate第一次留言
謝謝三位
Apple Podcasts56xe33Taiwan5 months ago - 66666
好聽I love👍👍👍
Apple Podcasts5Wade基百科Taiwan6 months ago - 超棒的
我是很熱衷天文的高中生，在找相關資料時找到這裡，學姊們講的知識都很淺顯易懂，而且讓我更了解更想去清大物理天文組了！
Apple Podcasts5縲霓Taiwana year ago
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Apple Podcasts | #73 |  United States/Science/Astronomy |
Apple Podcasts | #148 |  Canada/Science/Astronomy |
Apple Podcasts | #154 |  United Kingdom/Science/Astronomy |
Apple Podcasts | #39 |  Australia/Science/Astronomy |
Apple Podcasts | #93 |  France/Science/Astronomy |
Apple Podcasts | #1 | Taiwan/Science/Astronomy |
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