EPISODE · Jun 27, 2018 · 13 MIN
奥陌陌,第一位来自其他星系的客人 | Karen J. Meech
from TEDTalks 科学与医疗 · host TED
2017年10月,太空生物学家凯伦 J · 梅赫接到了一个电话,那是每个天文学家都在等待的电话:美国国家航空航天局(NASA)定位了首位来自其他星系的访客。一颗跨越星际的彗星——长800米,最终被命名为奥陌陌,在夏威夷语中是“侦查员”或者“信使”的意思——带来了一系列有趣的问题:它是新星系形成时的岩石残骸,还是被超新星爆炸撕裂的物质,或者是外星科技存在的证据,又或者完全是另外的东西?在这次引人入胜的演讲中,梅赫讲述了她的团队如何与时间赛跑,试图揭开这位远道而来的不速之客的神秘面纱。Translated by Alvin LeeReviewed by Yuanqing Edberg
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