标签：火星发现有水 相关文章
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
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
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
国家地理2008年
Chapter 8 Finding the Way 第八章 问路 Part 1 Vocabulary 第一部分 词汇 1.landmark 1.地标 2.lose one's way 2.迷路 3.direction 3.方向 4.city map 4.市区地图 5.traffic lights 5.红绿灯 问路 6.block 6.街区 7.at the corner 7.在转角
实境旅游英语
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
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
英语博客-北美风情
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
高中英语新课标人教广东高一
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
2014年VOA慢速英语(九)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
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
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
2018年NPR美国国家公共电台7月
play pause stop mute unmute max volume 00:0003:20repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. If you think Mars would be a cool place to visit, you ar
CNN美国有线新闻2016年8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
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
2016年Scientific American(八)月
Scientists on Thursday released results of a landmark study to record the diversity of life in and around Australias reefs. The scientists from the Census of Marine Life have reported finding hundreds of new species of marine life off two islands on
自然百科2008年
Some parts of China are dangerously short of water. A recent report confirms that the average per capita water availability in China is 2,000 100 cubic metres per year, just a quarter of the world average. Among the countrys 34 provinces, municipalit
CCTV9英语新闻2014年05月
New images sent back by NASA's Phoenix Mars Lander during its first full day operating in the Martian northern polar region showed most of its science instruments in good health. The one snag on the lander occurred when the protective sheath around t
英语时差8，16
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
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
英语听力精选进阶版