Radio beam pierces Venus's cloudy veil


By Stuart Clark ASTRONOMERS have glimpsed the surface of Venus for the first time in 10 years by turning the world’s two largest radio telescopes into a giant radar scanner. Most astronomy is based simply on observing the light or other radiation reaching us from objects in space. This can’t tell us about the surface of Venus because it is hidden by thick clouds. A team led by Donald Campbell of Cornell University, using the Arecibo telescope in Puerto Rico,
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