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SlideshowReport

Radio Telescope

Description
Recall that the secondary mirror or prime focus on most telescopes blocks incoming light
or other radiation. This new radio telescope at the National Radio Astronomy Observatory
in Green Bank, West Virginia, has its prime focus hardware located off-center from the telescope’s
100-m x 110-m oval reflector. By using this new design, there is no such loss of signal. Such configurations are
also common on microwave dishes used to receive satellite transmissions for home televisions.
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