| The world's two largest radio
telescopes have combined to make detailed
radar images of the cloud-shrouded surface
of Venus and of a tiny asteroid that passed
near the Earth. The images mark the first
scientific contributions from the National
Science Foundation's (NSF) new Robert
C. Byrd Green Bank Telescope in West Virginia,
which worked with the NSF's recently-upgraded
Arecibo telescope in Puerto Rico. The
project used the radar transmitter on
the Arecibo telescope and the huge collecting
areas of both telescopes to receive the
echoes.
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