Arecibo Telescope

Historical eventDecember 12020

Arecibo Telescope

The Arecibo Telescope collapses.

Everything on December 1Original source

In context

When
Tuesday, December 1 20206 years ago
Category
Historical eventA dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
Era
21st century · 2020s
Recorded from
Wikipedia “On this day” feed

At a glance

Dates: From 2020.

What happened

The Arecibo Telescope was a 305 m (1,000 ft) spherical reflector radio telescope built into a natural sinkhole at the Arecibo Observatory located near Arecibo, Puerto Rico. A cable-mounted, steerable receiver and several radar transmitters for emitting signals were mounted 150 m (492 ft) above the dish. Completed in November 1963, the Arecibo Telescope was the world's largest single-aperture telescope for 53 years,

December 1 through the years

Other entries on the same calendar day, in order.

  1. 2000Vicente Fox
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  3. 2005Perm Oblast
  4. 2006Same-sex marriage in South Africa
  5. 2009Treaty of Lisbon
  6. 2011Almaty Metro
  7. 2018Oulu child sexual exploitation scandal
  8. 2019Arsenal Women 11–1 Bristol City Women
  9. 2019Vivianne Miedema
  10. 2019COVID-19 pandemic
  11. 2020Arecibo Telescope

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Everything we record for 2020 →

Sources

Cite this page

“Arecibo Telescope”, What's On This Date, https://whatsonthisdate.com/app/event/arecibo-telescope-2020-december-1, accessed October 27, 2026.

Cite the underlying source as well — the source links above go to the record this entry is adapted from.

Questions about this entry

When did Arecibo Telescope happen?

December 1 2020 — 6 years ago, on a Tuesday.

Where does this text come from?

Wikipedia “On this day” feed. Summaries are short adaptations that link back to the source, not reprints.

How do I cite this page?

Use the ready-made citation near the sources at the bottom of the page, and follow the source link to cite the underlying record as well.

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