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Last updated on April 17, 2014 at 16:25 EDT
Arecibo Radio Telescope
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Arecibo Radio Telescope

January 20, 2006
The giant Arecibo radio telescope, famously built above a sinkhole amongst Puerto Rican forest, as seen in a detail from a HRC image. The dish measures 305 meters across and is made up of almost 40 000 separate panels. Suspended 150 meters above the dish is an antenna platform suspended by 18 individual cables, held by three anchorages. This Proba satellite image was acquired 9 June 2004.

The Project for On-Board Autonomy (Proba) is a technology demonstration mission of the European Space Agency. HRC is a miniaturized Cassegrain telescope imaging 25 sq km black and white scenes using the target point and store capability of the spacecraft.

Technical Information:
  • Satellite: Proba
  • Instrument: HRC
  • Acquisition: 09-Jun-2004
  • Center coordinates: lat. 18.22, lon. -66.37