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Supermassive Black Holes 超大质量黑洞 - 14

It means that Silk and Ree's theory may be right and if it is also right that supermassive black holes helped trigger star formation, then it must mean that all giant black holes and their galaxies ar

发表于:2018-12-07 / 阅读(242) / 评论(0)

超大质量黑洞

北师大版高中英语模块7--Unit 20 lessons3-2

[00:01.51]Einstein had already become world- famous [00:04.21]when a young ex-lawyer, [00:06.06]returning from the First World War, [00:08.04]started work at the Mount Wilson Observatory [00:10.39]in California.Using the most high-powered [00:13.50]t

发表于:2019-01-10 / 阅读(284) / 评论(0)

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VOA标准英语2009-European Space Agency Seeks Secrets of Universe

The European Space Agency has launched into orbit, two space observatories that will help scientists understand the information of the universe. A visitor watches an Ariane rocket in an exhibition at the Gasometer in Oberhausen, western Germany, 01

发表于:2019-01-13 / 阅读(38) / 评论(0)

VOA标准英语2009年(五月)

英文歌曲：Mary J. Blige - Feel Inside

It's a hundred dollar cash Give your hundred percent You can do the math 20 20 vision But you just don't see it Laze up just every boot, i'm more good Keys in that thing, interior or wood Now ending hills is on the rearview But piece of mon is what I

发表于:2019-01-14 / 阅读(34) / 评论(0)

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托福考试：TOEFL模拟试题

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(53) / 评论(0)

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TED演讲:用玩具创造世界(7)

Now as we pull away from this world -- we're going to keep pulling away from the star now. 现在，我们将视线从这个世界里移出来--我们从这个星球移出来了 One of the things that always frustrated me a little bit about astronomy

发表于:2019-02-21 / 阅读(34) / 评论(0)

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