The Gregorian Dome reflector and delay line feed antenna is suspended 490 feet above the radio telescope dish of the Arecibo Observatory in Puerto Ric
The Gregorian Dome reflector and delay line feed antenna is suspended 490 feet above the radio telescope dish of the Arecibo Observatory in Puerto Rico.
Size: 5760px × 3840px
Photo credit: © Jon G. Fuller, Jr. / Alamy / Afripics
License: Licensed
Model Released: No
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