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What happened at the Arecibo Observatory? New inquiry …
Arecibo Observatory - Wikipedia
Arecibo Observatory | Telescope, Collapse, Discoveries, & Facts
Arecibo Observatory collapses ahead of planned demolition
The rise and fall of Arecibo Observatory – an oral history
Arecibo Observatory: Watching for asteroids, waiting for E.T. - Space.com
Arecibo Observatory: A year after telescope's collapse, an icon …
A new era for Arecibo: legendary observatory begins next phase
Video: Arecibo Observatory Telescope Collapses, Ending Era Of ... - NPR