Arecibo Photo Gallery

The Observatorio de Arecibo was the world's largest and most sensitive radio telescope. The 305m dish was built in a massive natural sinkhole. The antenna weighed 1,000 tons.

plaque dish dish Arecibo Paul looking at the dish dish Arecibo Arecibo

pylon

Back to home page

©2010, 2019, 2026 Mermaid Underwater Photographic. All Rights Reserved.

Contact us at mermaid@underwater.org.

Last modified 11 April 2026