The telescope, a partnership of NASA and the European and Canadian space agencies, homed in on PMR 1, a planetary nebula nicknamed the Exposed Cranium for being the spitting image of a brain scan. The nebula lies about 5,000 light-years away from Earth in the Vela constellation.
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新中国成立后,1952年至1966年,李锡铭同志历任北京市石景山发电厂党总支副书记、代书记,石景山发电厂党委书记。他以厂为家,致力于工厂的建设和发展,想方设法提高电力产能,使石景山发电厂成为全国电力行业的重要标杆企业。“文化大革命”期间,他一度受到冲击和迫害,但共产主义信念毫不动摇,对林彪、“四人帮”2个反革命集团进行了坚决抵制。1970年4月,他回到石景山发电厂生产组协助工作,其后历任厂革委会副主任、党委副书记,党委书记、革委会主任,积极带领广大干部职工恢复生产,保持了生产和职工队伍的稳定,得到干部职工的拥护。