That's the startling advice from Michael Hippke, from Germany's Sonneberg Observatory, and physicist John Learned from the University of Hawaii, US.
这条惊人的建议来自德国松内贝格天文观测站的迈克尔·希普克和美国夏威夷大学物理学家约翰·罗恩德。
Sonneberg
原声例句
世界新知聚焦：科学
中文百科
索内贝格
索内贝尔格（德语：Sonneberg）是德国图林根州的一个市镇。总面积45.44平方公里，总人口22222人，其中男性10788人，女性11434人（2011年12月31日），人口密度489人/平方公里。
英语百科
Sonneberg 索内贝格
Sonneberg is a town in Thuringia, Germany, which is seat of the district Sonneberg. It has long been a centre of toy making and is still well known for this. It is the home of PIKO, a model railway manufacturer which became one of the few such enterprises in the Warsaw Pact countries and as such supplied model trains depicting railway stock of all the Soviet bloc countries. Sonneberg is home to the German Toy Museum ("Deutsches Spielzeugmuseum").
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