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In quiet Guizhou, big dish can listen

By Cheng Yingqi | China Daily | Updated: 2015-11-23 08:18

Mankind started watching the sky with telescopes since Galileo Galilei some 400 years ago.

Then, gradually, we found out that besides visible light, there are more wavelengths that can be used to explore messages coming from the universe - for example, radio waves.

However, a major obstacle keeps us from hearing weak cosmic signals: Urbanization and the wide application of electronic devices that came with the advancement of technology.

In quiet Guizhou, big dish can listen

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