Studying the Einstein Ring Phenomenon:
Astronomers Infer SDP. 81 Foreground Galaxy Black Hole Contains over 300 Million Times the Sun’s Mass 天文學家解讀愛因斯坦環現象：
推論SDP.81前景星系的黑洞質量大於3億個太陽
Related Articles:
[phys.org] Astronomers "weigh" a galaxy's black hole by studying the einstein ring phenomenon
[中國時報] 遙遠星系黑洞質量測量法 中研院天文所發現
[國語日報社] 中研院發現 40億光年外黑洞 以愛因斯坦環推估 質量逾三億個太陽
【中視新聞】 科學補給站~ 測出最遠黑洞 40億光年3億太陽大
Come ti peso i buchi neri supermassicci
Researchers calculate mass of black hole
THE INNERMOST MASS DISTRIBUTION OF THE GRAVITATIONAL LENS SDP.81 FROM ALMA OBSERVATIONS
