单词：spaceborne meteorological radar
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So in 1994 a small unmanned orbiter Clementine 于是柯蕾曼堤号无人太空船 was sent back to the moon, 在1994年再度前往月球 the first spacecraft to make the journey in more than 20 years. 这是20多年来首度展开这趟旅程的太空
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Water Is Buried Beneath Mars Surface, Study Says A huge lake of salty water appears to be buried deep in Mars, scientists reported this week. The presence of water raises the chances of finding life on the red planet. The discovery is based on observ
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Scientists Deliberate Cleaning Space Junk WASHINGTON Everything that we launch into an orbit around the earth eventually becomes space debris. Scientists say the increasing number of unusable objects circling our planet is threatening functioning sat
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Broadcast: Feb 01, 2003 The U.S. Space Shuttle Columbia broke apart in mid-air Saturday minutes before it was to return to Earth. The U.S. space agency, 1) NASA, says none of the seven astronauts aboa
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Every year satellites are damaged or destroyed by objects orbiting the Earth's atmosphere. An Australian company is now using the latest laser technology to track these objects in order to reduce cosmic damage. Li Dong has the details. Even in space,
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By Lisa Schlein Geneva 12 February 2008 Russia is warning of a new arms race if a treaty banning the deployment of weapons in outer space is not achieved. Russia and China have jointly presented a draft treaty to the U.N. Conference on Disarmament th
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