There are other lensed background galaxies in the image as well, and the astronomers used those to get the mass of 146-ig.
在图中还有其他背景性的透镜星系，而天文学家正是通过它们计算出了146 - IG的质量。
A British man who lived in the Alps as a goat for three days has won one of this year's Ig Nobel prizes.
一名英国男子获得了本年度搞笑诺贝尔奖，他像一只羊一样在阿尔卑斯山上生活了三天。
Expands network, management, and professional capabilities through membership and participation in professional organizations as identified and approved by the Director and IG leadership.
在总监及国际组领导的同意之下，加入会员或参与专业机构活动，扩展人脉、管理和专业能力。
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