标签：火星漫游者 相关文章

国家地理-2008-04-06 Mission to Mars 火星任务：巨大的心理考验

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(73) / 评论(0) 分类 国家地理2008年

普通高中课程标准实验教科书 英语必修2 Unit 3

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(157) / 评论(0) 分类 高中一年级英语

VOA慢速英语2014 美国航天局联手波音及SpaceX两公司共建太空船

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(56) / 评论(0) 分类 2014年VOA慢速英语(九)月

VOA标准英语2014--美国宇航局的Maven飞船到达火星

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(56) / 评论(0) 分类 VOA标准英语2014年(九月)

美国有线新闻 CNN NASA精心打造猎户座飞船 未来将载人赴火星

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

发表于:2019-01-18 / 阅读(54) / 评论(0) 分类 CNN美国有线新闻2016年8月

科学美国人60秒 SSS 火星真的会撞地球?

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(70) / 评论(0) 分类 2018年科学美国人4月

【英语时差8，16】NASA火星探测器登陆，科学家开怀

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

发表于:2019-02-15 / 阅读(63) / 评论(0) 分类 英语时差8，16

英语听力文摘 English Digest 154、火星上的海洋

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(60) / 评论(0) 分类 英语听力文摘 English Digest
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