EPISODE · Apr 4, 2017 · 12 MIN
怎样拍摄一张黑洞的图片 | Katie Bouman
from TEDTalks 科学与医疗 · host TED
在银河系的中心，有一个靠吞噬高温气体为生的超级黑洞。它将一切接近它的东西吞噬殆尽——连光也不例外。我们看不见黑洞本身，但可以观察到黑洞表面视界线留下的投影，而一张黑洞影子的照片，可以帮助我们找到宇宙重要问题的答案。科学家们曾经认为，拍摄这样一张黑洞的照片需要地球大小的天文望远镜——直到凯蒂·伯曼和一支由天文学家组成的队伍想出了一个聪明的解决办法。Translated by Anney Ye
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