[地名] 魏特施塔特 ( 德 )

World's First Nuclear Fusion Reactor 50 Percent Complete At the Geneva Superpower Summit in November 1985, American President Ronald Reagan met with the Soviet Union's General Secretary Mikhail Gorbachev. 在1985年11月的日内瓦超级大国首脑会

发表于:2019-01-03 / 阅读(111) / 评论(0) 分类 2018年VOA慢速英语(一)月

Life feeling a bit ordinary? Travel choices a bit tame? Head beyond the asteroid belt for an out-of-this-world experience. Welcome to Jupiter, home of high-adrenaline adventure. Plunge into its mysterious depth. You drop through the clouds, it would

发表于:2019-01-08 / 阅读(105) / 评论(0) 分类 自然百科2012年

Jupiter is a planet that knows how to exert its influence on the solar system, and how to impress even the season traveler. You can fly around the earth in a jumbo jet in less than two days. Try this on Jumbo Jupiter and youll be in the air for three

发表于:2019-01-08 / 阅读(109) / 评论(0) 分类 自然百科2012年

When the space hardened Voyagers I and II flew past in 1979 on their way to the outer solar system, Jupiters great mysteries only deepened. How were these powerful magnetic storms generated inside a giant ball of gas? Why was one moon boiling with vo

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 自然百科2012年

Picture a suicide dive into the mysterious depth? Relax, Galileo's already done it for you. We separated the probe from the Galileo mother ship. We were flying in toward Jupiter, basically a ballistic bullet. The Galileo probe went in at an unbelieva

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 自然百科2012年

This could be the most terrifying sight in the solar system: clear skies above a bottomless pit, an infernal drop into the depth of Jupiters endless sky. You may have raindrops evaporating into the hot interiors of Jupiter, but there is no ocean down

发表于:2019-01-08 / 阅读(104) / 评论(0) 分类 自然百科2012年

In a landmark decision, a court in Australia has given a paralyzed man the right to die by allowing him to refuse food and water. Christian Rossiter has begged to be allowed to die after accidents left him a quadriplegic. Christian Rossiter has said

发表于:2019-01-14 / 阅读(107) / 评论(0) 分类 VOA标准英语2009年(八月)

A New Course At Arkansas Colleges: How To Not Get Pregnant KELLY MCEVERS, HOST: Most teen births in this country are actually to young adults - women who are 18 and 19-years-old. The highest rate is in Arkansas. It's a Bible Belt state that pushes ab

发表于:2019-01-17 / 阅读(134) / 评论(0) 分类 2016年NPR美国国家公共电台8月

GUY RAZ, HOST: It's the TED Radio Hour from NPR. I'm Guy Raz. And on the show today, Truth and Lies - ideas about navigating a world where facts seem to be up for debate, whether it's science or history or even a presidential election and why some pe

发表于:2019-01-17 / 阅读(153) / 评论(0) 分类 2017年NPR美国国家公共电台6月

One day we might develop the magnetic field technology necessary to keep a human alive within Jupiters radiation environment. But in the near future, our exploration will continue by machine. The robotic program isnt about robots. Its a profoundly hu

发表于:2019-01-22 / 阅读(108) / 评论(0) 分类 自然百科2012年

Every time we send aspacecraft to answer questions, we end up asking more. Clearly, a return to Jupiter isn't to stars. (Here we go.) In 2003, with fuel andpower running low, Galileo's 14-year odyssey was brought to an end,deliberately to ensure Euro

发表于:2019-01-22 / 阅读(98) / 评论(0) 分类 自然百科2012年

As these robot submarines accomplish great missions, the possibility of one day melting our way into Europas deep ocean is moving from fiction toward fact. Lets just imagine, there were on a little spacecraft with the capability to melt to the ice, w

发表于:2019-01-22 / 阅读(98) / 评论(0) 分类 自然百科2012年

If gravity measurement showed no solid core, then Jupiter formed early like the Sun, with a core then its birth came later when solid materials were created. By measuring water content, Juno should also reveal how hot the solar system was, when Jupit

发表于:2019-01-22 / 阅读(109) / 评论(0) 分类 自然百科2012年

Take a night flight, like Galileos, over the surface of Io and the view down to the churning lava lakes would be unforgettable. Imagine then a visit to the surface. The landscape might look quite a bit like a red and yellow sulfur-painted version of

发表于:2019-01-22 / 阅读(101) / 评论(0) 分类 自然百科2012年

Gas escaping into space from the plumes is energized by Jupiters magnetosphere, creating an intense band of ionizing radiation that bombards a surface already soaked in emissions. If you went out relatively unprotected with, like a normal spacesuit f

发表于:2019-01-22 / 阅读(120) / 评论(0) 分类 自然百科2012年

I would like to visit Jupiter one day,I think it would be a good place to take a vacation, but not on July of 1994. That would have been a terrible time. In July, 1994, the fragmented comet Shoemaker-Levy 9 that David helped / discover began its fa

发表于:2019-01-22 / 阅读(104) / 评论(0) 分类 自然百科2012年

When Galileo took a closer look at Europa, the picture changed. Europa is a fascinating object. If you imagine descending onto a world that looks every place like the frozen ways of the Arctic and the Antarctic, youll get a pretty good impression of

发表于:2019-01-22 / 阅读(114) / 评论(0) 分类 自然百科2012年

the processes that hit Io or operating on Europa as well, but on a less dramatic scale. and so was this constant change(s) in Jupiter's gravitational pull that is distorting the surface and that's generating heat in the interior. This is a clue to Eu

发表于:2019-01-22 / 阅读(109) / 评论(0) 分类 自然百科2012年

HARI SREENIVASAN: Now we turn to president-elect Trump's transition to the White House and how his team is tackling the handover of executive reins. For that, we are joined by Alex Isenstadt of Politico. So, Alex, you're reporting on this every today

发表于:2019-02-13 / 阅读(128) / 评论(0) 分类 PBS访谈社会系列

Belgiums former prime minister says the launch of Forbes Afrique magazine is an indication of dramatic economic growth under way in Africa. Guy Verhofstadt, who is also leader of the Liberals and Democrats in the European parliament, said there are s

发表于:2019-02-14 / 阅读(128) / 评论(0) 分类 英语新闻
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