First up, a setback for the European Space Agency. Working together with Russia, the ESA is testing its ability to land a spacecraft on Mars. Its scientists are hoping to find out whether life has ever existed there. But the latest lander it sent nam

发表于:2018-12-02 / 阅读(87) / 评论(0) 分类 CNN美国有线新闻2016年10月

When We Fly to Mars, Microbes Will, Too 飞向火星的不止是你,还有我 A humid bathroom is the perfect habitat for mold. But there are ways to avoid it. We can just open the window and let some fresh air in! Not so easy on a space station th

发表于:2018-12-02 / 阅读(102) / 评论(0) 分类 2017年Scientific American(十)月

Cramped quarters, no privacy, and the stress of working together every day. Psychology, more than aerospace engineering, may be the key to sending human crews to Mars. This is Mars on Earth, a station that was built to help us learn how to live on t

发表于:2018-12-05 / 阅读(69) / 评论(0) 分类 国家地理2008年

Over time I have been changed quite a lot. I began as a calculating machine in France in 1642. Although I was young I could simplify difficult sums. I developed very slowly and it took nearly two hundred years before I was built as an analytical mac

发表于:2018-12-29 / 阅读(153) / 评论(0) 分类 高中一年级英语

Outer space is fascinating. Throughout history, human beings have looked up at the stars and wondered just what was out there. In this episode, Harp and Maura chat about a variety of topics relating to outer space. Would you like to take a trip to Ma

发表于:2019-01-01 / 阅读(72) / 评论(0) 分类 英语博客-北美风情

Word had quickly got around. The French and British are sending reinforcement. Some go in small groups. This time they are around two hundred. At time of this week, there have been many more. After two days the British government will give a soldier

发表于:2019-01-02 / 阅读(43) / 评论(0) 分类 英伦广角

Unit 3 WHO AM I? Over time I have been changed quite a lot. I began as a calculating machine in France in 1642. Although I was young I could simplify difficult sums. I developed very slowly and it took nearly two hundred years before I was built as a

发表于:2019-01-10 / 阅读(140) / 评论(0) 分类 高中英语新课标人教广东高一

By Paul Sisco Washington, D.C. 03 January 2007 watch Screening report Ever since the September 11th terrorist attacks on the United States, the need for airport security has led to a steady increase in the use and improvement of technology. One new

发表于:2019-01-11 / 阅读(91) / 评论(0) 分类 2007年VOA标准英语(一月)

NASA Chooses Boeing, SpaceX to Fly Astronauts 美国航天局联手波音及SpaceX两公司共建太空船 Three years after the United States ended the space shuttle program, the American space agency today announced the return of human space flight

发表于:2019-01-12 / 阅读(53) / 评论(0) 分类 2014年VOA慢速英语(九)月

Dawn Spacecraft Nears Rendezvous With Dwarf Planet Ceres 黎明号探测器成功将接近谷神星轨道 LOS ANGELES NASAs Dawn spacecraft is set to reach the dwarf planet Ceres in March and begin gathering clues about whether the icy body may have

发表于:2019-01-14 / 阅读(46) / 评论(0) 分类 VOA标准英语2015年(一月)

NASA's MAVEN Spacecraft Arrives at Mars 美国宇航局的Maven飞船到达火星 NASAs newest Mars probe, called MAVEN, has successfully entered its designated orbit around the red planet. Scientists will use its sophisticated instruments to try to

发表于:2019-01-14 / 阅读(54) / 评论(0) 分类 VOA标准英语2014年(九月)

科幻电影为新晋科学家助力 In The Martian, Mark Watney is a U.S. astronaut who has to survive alone on Mars after his crew leaves the planet without him, thinking he died in a storm that swept him away. 在《火星救援》中,马克沃特

发表于:2019-01-14 / 阅读(50) / 评论(0) 分类 VOA标准英语2016年(一月)

RACHEL MARTIN, HOST: You know it's going to be a good morning when NPR science correspondent Joe Palca is here in the newsroom. Sure enough, as I was doing all this last-minute prep for the show this morning in the wee dark hours, Joe comes into the

发表于:2019-01-17 / 阅读(88) / 评论(0) 分类 2018年NPR美国国家公共电台7月

Chaotic Orbits Could Cause Catastrophic Collision Isaac Newton said, I can calculate the motion of heavenly bodies, but not the madness of people. He meant that while people can be unpredictable, the planets are just the oppositethey glide through sp

发表于:2019-01-20 / 阅读(68) / 评论(0) 分类 2018年科学美国人4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

发表于:2019-01-20 / 阅读(71) / 评论(0) 分类 2016年Scientific American(八)月

The most powerful atom smasher ever built could make some bizarre discoveries, such as new forces of nature or even extra dimensions of space, after it's switched on in August. The Large Hadron Collider, or LHC, basically consists of a ring of superc

发表于:2019-01-22 / 阅读(71) / 评论(0) 分类 自然百科2008年

T-Rex is impressive and it's powerful, but compare to Ankylosaurus, it is relatively lightly built. Protective plates made of bone and cartilage covered this lumbering creature from head to tail. Light, but extremely strong, the hide of Ankylosaurus

发表于:2019-01-23 / 阅读(56) / 评论(0) 分类 探索与发现2013年

Don: Hey, Yael, Have you heard? We've discovered two new oceans? Yael: Where? D: On Mars. Well, they aren't there any longer, but they were there a few billion years ago. Y: I thought scientists weren't sure if Mars had oceans or not. D: They weren't

发表于:2019-02-24 / 阅读(56) / 评论(0) 分类 英语听力文摘 English Digest

A Deep Hole in the Pole AMANDA望远镜(新华社电讯稿用的是南极介子和高能中微子探测器阵列名字),被埋藏在南极冰块下1.5公里深处。路透社2001年3月21日报道,这台望远镜首次探测到中微子。中微

发表于:2019-02-24 / 阅读(81) / 评论(0) 分类 英语听力文摘 English Digest

France says it turned away nearly 3.5 thousand people from its borders since a state of the emergency with introduced after last month attacks in Paris. The French interior minister Bernard Cazeneuve said they were refused entry because they posed a

发表于:2019-03-06 / 阅读(104) / 评论(0) 分类 英语听力精选进阶版