Dr Mark Sullivan, the astrophysicist leading the Oxford team examining the supernova, said: "This is accessible to anyone with a decent pair of binoculars."

带领牛津大学超新星观测队的天体物理学家马克·沙利文博士说：“只要用个合适的双筒望远镜，每个人就都可以观测到。”

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'I'm not worried,' says veteran running coach Mark Sullivan, who has run more than 150 marathons, joking that 'there are guys who live to be 100 smoking cigarettes and eating cheeseburgers.

参加过150余场马拉松赛的资深跑步教练马克·苏利凡(Mark Sullivan)说：“我一点儿也不担心。”他还开玩笑称：“有人又抽烟又吃芝士汉堡还能活到100岁呢。”

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"Consider your conduct through the lens of the past several weeks, " Director Mark Sullivan reportedly told staff.

BBC: Secret Service Colombia scandal prompts new rules

Julia Pierson, formerly Secret Service chief of staff, will succeed Mark Sullivan, who announced last month that he would retire.

BBC: Obama names first woman head of US Secret Service

The plant remained stable at 100% of capacity, said Mark Sullivan, a spokesman with Constellation Energy Nuclear Group LLC, which owns the plant.

WSJ: Virginia Nuclear Power Plant Loses Power After Quake