Astronomy Cast Ep. 294: Arecibo Observatory
Channel: astrospherevids
Date: 19/04/2013

The mighty Arecibo Radio Observatory is one of the most powerful radio telescopes ever built - it's certainly the larger single aperture radio telescope on Earth, nestled into a natural sinkhole in Puerto Rico. We're celebrating the 50th anniversary of the construction of the observatory with a special episode of Astronomy Cast.