单词：accretion disks
单词：accretion disks 相关文章
In January 2000, John Dubinski set out to calculate the final fate of our galaxy, the Milky Way, and that of our nearest neighbor, Andromeda. The Andromeda galaxy is actually falling towards the Milky
超大质量黑洞
Mars Lander Will Peer Inside Planet Absolutely spectacular missionand its not a rover, its a lander. Its designed to land and deploy several instruments. 这是一个绝对壮观的使命......它不是漫游者，而是着陆器。旨在登陆和部署
2018年科学美国人5月
Greenspan Predicts US Job Growth Soon Barry Woods U.S. central bank chief Alan Greenspan told a congressional committee Thursday that the United States must resist protectionism . Mr. Greenspan told t
VOA2004（上）--各类新闻
By Kevin Billinghurst Stockholm 09 October 2007 The 2007 Nobel Prize for Physics has been awarded to Albert Fert of France and Peter Gruenberg of Germany for discoveries that have helped fuel explosive growth in the storage capacity of computer hard
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DAVID GREENE, HOST: Researchers have been looking at how Americans are sitting and how bad it is for our health. Some have even called sitting the new smoking. And they say it's contributing to an epidemic of back pain. But what if the problem isn't
2018年NPR美国国家公共电台8月
Mars is a planet of outsized splendor. Despite being only half as big and a tenth as heavy as Earth, it bears the solar systems tallest mountain, longest canyon and largest crater. At 22 and 12 kilometers wide, however, its inner moon Phobos and oute
2016年Scientific American(八)月
The glowing region is the accretion disc, star debris falling inward, would turn round in the maelstrom heated by frictions to such high temperatures that it glows white hot. So at the center of our galaxy, we do have a black hole. We now know that t
自然百科2011年
火山爆发 The Eruption of Volcano abundant adj. 丰富的，富余的 accretion n. 增长 accumulation n. 积聚，堆积物 active volcano 活火山 Alaska Volcano Observatory 阿拉斯加州火山观
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今天Larry和李华在一家电脑商店买东西，李华会学到两个常用语：whatchamacallit和mooch。 (Computer Store SFX) LH: Larry, 你想买什么呀？ LL: I need to get one of those wh
美国之音《流行美语》
By Mike O'Sullivan Los Angeles 12 March 2008 The battle between two rival high definition formats for video disks has been decided in favor of Blu-ray, which was jointly developed by Sony, Samsung, Philips and other companies. Mike O'Sullivan reports
VOA标准英语2008年（三月）
The battle between two rival high definition formats for video disks has been decided in favor of Blu-ray, which was jointly developed by Sony, Samsung, Philips and other companies. A U.S. manufacturer based in Washington State has embraced the new t
VOA双语新闻 2008年3月
The next time someone asks you how tall you are, keep in mind that your answer might depend on the time of day. You see, in the morning, when you wake up, you're taller than at night, when you go to bed. How can this be? Well, the spine is made of tw
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Lesson 250 Can I borrow your pen? 1.Can I borrow your pen?我可以借用你的笔吗？ 2.Can I borrow your bike?我可以借用你的自行车吗？ 3.Can I borrow your car?我可以借用你的汽车吗？ 4.Can I borrow your dictionary?我可以借
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Bob had had plenty of problems with his old computer. He said he'd buy the insurance. You probably want us to make recovery disks, too, said Joe. If anything goes wrong, you'll need them to restart your computer. The insurance doesn't include the dis
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