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More than 50 years ago William E. Gordon started with a vision to build the largest radio telescope on earth.
Learn more about the Arecibo Observatory

Who we are, our history, mission and values

Latest News

Blog media:
Arecibo Observatory Space Academy busca estudiantes de Puerto Rico
El Observatorio de Arecibo busca estudiantes en Puerto Rico
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AOSA Stories
My name is Wilbert Andres Ruperto Hernández and I’m 16
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The Arecibo Observatory Asteroid Day
What began as a passion of a handful of individuals, a
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The Arecibo Observatory Science & Visitors Center reopens with new interactive exhibits
The exploration of the earth and the Solar System, the
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El Observatorio de Arecibo prende el cielo con su sistema de LIDAR
Científicos del departamento de ciencias atmosféricas en el