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外星人到哪兒去了？
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史帝芬韋柏 |
TED2018
• April 2018
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宇宙非常古老，極度廣大，具有數兆個星球——所以，外星人在哪裡？天文學家史帝芬韋柏有一項解釋：我們在宇宙中是孤獨的。在這場能拓展思維的演說中，他詳細說明了一個星球若要有外星文明，會需要清除多麼大的障礙——並說明了我們可能的宇宙孤獨也是很美麗的理由。「宇宙的沉默正在吶喊：『我們是走運的生物。』」韋柏說。
science
astronomy
time
universe
physics
exploration
Planets
space
aliens
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Talk details
宇宙非常古老，極度廣大，具有數兆個星球——所以，外星人在哪裡？天文學家史帝芬韋柏有一項解釋：我們在宇宙中是孤獨的。在這場能拓展思維的演說中，他詳細說明了一個星球若要有外星文明，會需要清除多麼大的障礙——並說明了我們可能的宇宙孤獨也是很美麗的理由。「宇宙的沉默正在吶喊：『我們是走運的生物。』」韋柏說。
science
astronomy
time
universe
physics
exploration
Planets
space
aliens
This talk was presented at an official TED conference.
Read our curation guidelines.
About the speaker
Stephen Webb
Writer, scientist
See speaker profile
Stephen Webb is a science fiction fan who's passionately interested in what the future might hold for our species.
史帝芬韋柏's resource list
This talk was presented at an official TED conference.
Read our curation guidelines.
