皇冠体育app unveils huge radio telescope in Shanghai
(chinadaily.com.cn) Updated: 2012-10-29 10:33
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A 70-meter-high radio telescope, the fourth largest in the world, is unveiled at Shanghai Astronomical Observatory on Oct 28, 2012. The radio telescope, which will be used for space observation, differs from optical ones in that they use radio antennae to track and collect data from satellites and space probes.[Photo/Asianewsphoto] |
