单词：Stephen William Hawking
单词：Stephen William Hawking 相关文章
By their very definition,black holes are 1) objects which are not supposed to 2) emit anything .It therefore seemed that the area of the 3) event horizon of a black hole could not be regarded as its 4
疯狂英语2002年
Physicist Stephen Hawking said people should return to the Moon and go to Mars because leaving Earth may be the only way to save humanity. Hawking said that as Earth faces climate change and pressure on natural resources, human beings need to reach b
2017年VOA慢速英语(七)月
Black holes got their name because light can't escape them, beyond a certain radiusthe event horizon. But in 1974 Stephen Hawking proposed that quantum effects at the event horizon might cause black holes to benot completely black. Hawking said that
2016年Scientific American(八)月
SCIENCE IN THE NEWS - Stephen Hawking and Black Holes / Quantum Theory By Caty Weaver Broadcast: Tuesday, August 17, 2004 VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Dought
科技之光
第一档：Companion of Honour (荣誉勋爵)。 全世界只有65人，授予对国家有重要意义并做出突出贡献的人，获得者可在名字后面加CH后缀。比如，霍金教授的名字加头衔是Stephen William Hawking, CH, CBE,
英美文化
RACHEL MARTIN, HOST: One of the most famous scientists of our time has died. Stephen Hawking was a theoretical physicist whose early work on black holes transformed how scientists think about the nature of the universe. But his fame wasn't just a res
2018年NPR美国国家公共电台3月