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Learn about the history, design, research, and cultural significance of the Arecibo Telescope, a 305-meter radio telescope in Puerto Rico. The telescope was decommissioned and collapsed in 2020 after 57 years of operation.
Arecibo Observatory is an observatory complex in Puerto Rico owned by the US National Science Foundation. It was home to the world's largest single-aperture telescope, which collapsed in 2020, and other radio telescopes, a LIDAR facility, and a visitor center.
Learn about the world's largest single-unit radio telescope in Puerto Rico, its scientific achievements and its tragic collapse in 2020. Find out how the observatory studied extrasolar planets, Mercury, pulsars and more with radio waves.
The iconic radio telescope in Puerto Rico fell down in December 2020 after years of damage and neglect. A team of engineers is investigating what went wrong and how to prevent similar...
The iconic radio telescope at Arecibo Observatory in Puerto Rico fell in December 2020, leaving a huge crater and a cleanup challenge. A new documentary and a report update the site's status...
The Arecibo Observatory in Puerto Rico, with its 900-ton platform and massive dish, was a symbol of scientific exploration, tracking distant exoplanets and searching for extraterrestrial life.
Although 57 years old, Arecibo was still a scientific trailblazer. Its powerful radar could bounce radio waves off other planets and asteroids, revealing the contours of their surfaces. Other antennas could heat plasma in Earth's upper atmosphere, creating artificial aurorae for study.
Learn how Arecibo Observatory, the world's largest single radio telescope dish for 57 years, was built, used, and collapsed from the stories of researchers who worked there. Discover the...
The Arecibo Observatory's 305-metre-wide telescope dish, once revered by astronomers, now sits in pieces. Credit: Ángel Enrique Valentín for Nature
In other words, every radio signal Arecibo ever sent — every radar beam it bounced off of Mercury or Venus or near-Earth asteroids, and even the famous interstellar radio message it sent to the ...