o-acb03-00020
Arecibo radiotelescope: gregorian dome with antenna
C.Lebedinsky/Novapix
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« Radiotélescope d'Arecibo -Dôme gregorien et antenne. »
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o-acb03-00020
o-acb03-00002
Arecibo radiotelescope: gregorian dome and antenna
C.Lebedinsky/Novapix