标签：小行星 相关文章

英语听力：探索发现 科学新发现：我们的大气层-24

This is a genuine iron meteorite, this is believed to have once been part of the core of a long dead planet or asteroid, and this was found right here in this strewn field, this remarkable little shapes, indentations on the surface are called thumbpr

发表于:2018-12-03 / 阅读(52) / 评论(0) 分类 探索与发现2014年

国外媒体:世界末日距离我们还有多远?

世界末日距离我们还有多远？ 近期，法国的研究人们员对地球未来的环境状况有着不甚理想的预计和预测。 French researchers are predicting doom for Planet Earth. They believe neighboring planets could stray out of orbit and collide with the Earth billions of

发表于:2018-12-07 / 阅读(53) / 评论(0) 分类 国外媒体新闻

Alien Neighbors 寻访外星人 7

“And so with Magellan we’ve got the first chance, one of the first chances, ok, to really get a complete map and view of it.” The Venusian landscape has a desert-like appearance, but it’s a go

发表于:2018-12-07 / 阅读(61) / 评论(0) 分类 寻访外星人

72. Saving the World p.498

A student is talking to her teacher. S: I hear that scientists are planning to study asteroids and meteors, right? T: Yes. They want to determine whether Earth is in danger of being struck by such a r

发表于:2018-12-08 / 阅读(388) / 评论(0) 分类 赖世雄中级美国英语

CNN 2011-05-19

The space shuttle Endeavour taking off on its final endeavor. The launch was delayed due to mechanical problems, but NASA officials said those were all fixed. The shuttle and its crew are headed to the international space station. This is a 16-day mi

发表于:2018-12-20 / 阅读(66) / 评论(0) 分类 CNN2011年(五)月

侏罗纪搏击俱乐部 第169期:十年间谜团依旧未解

How big an asteroid would it take to distribute this much Iridium around the entire planet? 到底要多大的小行星才能将这么多铱散布在整个星球上？ And they come up with a very rough number of something on the order of ten kilomet

发表于:2018-12-28 / 阅读(32) / 评论(0) 分类 侏罗纪搏击俱乐部

侏罗纪搏击俱乐部 第170期:大气层变成了披萨炉

Using science as a guide, we attempt to recreate the final moments of the dinosaurs. 我们以科学为指引，试图重建恐龙的最后时刻。 The first effect was the impact itself. 第一个效果是撞击本身。 So when a 10-kilometer diam

发表于:2018-12-28 / 阅读(31) / 评论(0) 分类 侏罗纪搏击俱乐部

侏罗纪搏击俱乐部 第172期:地球在撞击下颤抖

5 minutes to impact. 距离撞击五分钟。 The sky is now illuminated by the glowing orb as it draws closer. 随着小行星的靠近，天空现在被耀眼的火球照亮。 The asteroid begins to heat up as it comes into contact with our atmosp

发表于:2018-12-28 / 阅读(42) / 评论(0) 分类 侏罗纪搏击俱乐部

侏罗纪搏击俱乐部 第117期:何为双目视力?

Along with its enormous size, one feature set T-Rex apart from all other meat eaters- true binocular vision. 除了其巨大的身躯外，有一个特点让霸王龙从所有肉食者中脱颖而出真正的双目视力。 It had forward focusing vi

发表于:2018-12-28 / 阅读(39) / 评论(0) 分类 侏罗纪搏击俱乐部

VOA慢速英语--科学家发现太阳系中最古老的天体

Alien Asteroid Could Be Oldest Object in Our Solar System Astronomers have been closely watching an object that travels in an orbit around our sun. Astronomers say this object -- an asteroid -- circles the sun in the same orbital path as the planet J

发表于:2019-01-03 / 阅读(116) / 评论(0) 分类 2018年VOA慢速英语(六)月

太阳系其他星球水资源远胜地球 木星水量最大

在太空放眼望去，地球这颗美丽的蓝色星球似乎在太阳系拥有得天独厚的优势，尤其是覆盖地表的大片大片的海洋资源，但事实上，据科学家研究发现，木星才是水资源最丰富的星球，相比太

发表于:2019-01-08 / 阅读(37) / 评论(0) 分类 阅读空间

VOA慢速英语2014 宇航员在水下实验室训练

AS IT IS 2014-08-06 Astronauts Train in Underwater Laboratory 宇航员在水下实验室训练 Four astronauts recently completed training to help prepare for a planned visit to an asteroid, or space rock. The four trained in a special laboratory fi

发表于:2019-01-12 / 阅读(51) / 评论(0) 分类 2014年VOA慢速英语(八)月

VOA慢速英语2016 美国政府批准私人登月计划

US Government Approves Private Moon Shot 美国政府批准私人登月计划 The United States government has given a private American company permission to send a commercial flight to the moon. 美国政府批准了私人航天公司向月球表面发

发表于:2019-01-12 / 阅读(38) / 评论(0) 分类 2016年VOA慢速英语(八)月

美国有线新闻 CNN 2016-8-17

If you think Mars would be a cool place to visit, you are right. Its average temperature is negative 80 degrees Fahrenheit. And just like in the movie The Martian, NASA is trying to see if they can grow potatoes in Mars-like soil. It's also spending

发表于:2019-01-18 / 阅读(61) / 评论(0) 分类 CNN美国有线新闻2016年8月

经济学人70:甲烷释放可能是恐龙称霸地球的原因

Science and Technology The rise of the dinosaurs Pardon! 科技 恐龙的崛起 恕我直言! A geological burp may have led to the dinosaurs' domination 地质上的甲烷释放可能是恐龙称霸地球的原因 THE s, famously, went out with a ba

发表于:2019-01-26 / 阅读(49) / 评论(0) 分类 经济学人科技系列

经济学人184:恐龙的崛起 恐龙称霸地球的原因

Science and technology 科学技术 The rise of the dinosaurs 恐龙的崛起 Pardon! 恕我直言! A geological burp may have led to the dinosaurs'domination 地质上的甲烷释放可能是恐龙称霸地球的原因 THE dinosaurs, famously, went

发表于:2019-02-08 / 阅读(43) / 评论(0) 分类 经济学人科技系列

英文短篇故事（纽约）413 The Sky Is Falling

An asteroid hurtled past Earth. It was 13 times closer to Earth than the moon is. Then a huge meteorite exploded above a city in Russia. The shock wave shattered thousands of windows. Then a white fireball over San Francisco startled witnesses. Then

发表于:2019-02-15 / 阅读(36) / 评论(0) 分类 英文短篇故事（纽约）

英闻天下——283 An Asteroid Misses Earth, Causes No Public Panic

Meanwhile, a 45-meter wide asteroid has hurtled safely past earth after it came within 27-thousand kilometers, making it the closest known flyby for a rock of its size. The asteroid, named 2012 DA14 came closer to earth than many communication and we

发表于:2019-02-21 / 阅读(57) / 评论(0) 分类 英闻天下

【英语时差8,16】流星体

In his book Cosmos, the late scientist Carl Sagan talks about the way in which the earth is regularly struck by material from outer space. These collisions with space debris can be minoras in a shooting star on a summer nightor amazingly destructive,

发表于:2019-03-06 / 阅读(91) / 评论(0) 分类 英语时差8，16

VOA慢速英语2019 以色列登月太空飞船成功发射

Israeli Spacecraft Makes History with Successful Moon Launch An Israeli spacecraft is on its way to the moon. 一艘以色列太空飞船正在飞向月球。 The unmanned moon landing vehicle was launched Thursday night from Cape Canaveral Air Force

发表于:2019-03-09 / 阅读(201) / 评论(0) 分类 2019年VOA慢速英语(二)月
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