TED:人类首张黑洞照片是如何拍摄出来的?(附视频&演讲稿)

IfwecouldbuildthisEarth-sizedtelescope,wecouldjuststarttomakeoutthatdistinctiveringoflightindicativeoftheblackhole'seventhorizon.Althoughthispicturewouldn'tcontainallthedetailweseeincomputergraphicrenderings,itwouldallowustosafelygetourfirst...