Arecibo Telescope

The Arecibo Telescope is now destroyed by a collapse.[1]

The radio telescope was a 305 m (1,000 ft) spherical reflector dish built into a natural sinkhole at the Arecibo Observatory which was completed in November 1963.

For more than 50 years, the Arecibo Telescope was the world's largest single-aperture telescope. In July 2016 the Five-hundred-meter Aperture Spherical Telescope (FAST) in China was put into service.

On 19 November 2020, the National Science Foundation announced that they would close and dismantle the telescope.[2][3][4] On 1 December 2020, the telescope collapsed.[5][6]

References
  1. BBC News.
  2. "NSF begins planning for decommissioning of Arecibo Observatory's 305-meter telescope due to safety concerns [News Release 20-010]". www.nsf.gov. Archived from the original on November 19, 2020. Retrieved November 19, 2020.
  3. Clery, Daniel (November 19, 2020). "Famed Arecibo telescope, on the brink of collapse, will be dismantled". Science | AAAS. Archived from the original on November 19, 2020. Retrieved November 19, 2020.
  4. Witze, A (November 2020). "Legendary Arecibo telescope will close forever - scientists are reeling". Nature. 587 (7835): 529–530. Bibcode:2020Natur.587..529W. doi:10.1038/d41586-020-03270-9. PMID 33214727.
  5. "Giant Arecibo radio telescope collapses in Puerto Rico". The Guardian. Associated Press. 1 December 2020. Retrieved 1 December 2020.
  6. Coto, DÁNICA (December 1, 2020). "Huge Puerto Rico radio telescope, already damaged, collapses". Associated Press. Retrieved December 1, 2020 – via Yahoo!.
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