The catastrophic collapse of the Arecibo telescope on 1 December 2020 was captured by a control tower camera and a drone.
Take a look at the just-released footage, and find out what it showed!
Arecibo Telescope : A Brief History
The Arecibo Telescope is a 305 meter wide radio telescope, with a steerable receiver hanging 150 meters over the spherical reflector dish.
Built over a natural sinkhole, it was completed in November 1963 and was the world’s largest single-aperture telescope for 53 years.
Culturally, the Arecibo Telescope is famous for the SETI (Search for Extraterrestrial Intelligence) program, and being featured in the 1995 James Bond film, Goldeneye; and the 1997 sci-fi film, Contact.
Scientifically, the Arecibo Telescope allowed for numerous discoveries in astronomy :
- discovered the first binary pulsar in 1974, for which Hulse and Taylor won their 1993 Nobel Prize in Physics
- produced first radar maps of the surface of Venus in 1981
- discovered the first millisecond pulsar (PSR 1937+21) in 1982
- discovered ice at the north and south poles of Mercury in 1992
- discovered the first ever exoplanet in 1992
- discovering the first ever repeating fast radio burst (FRB) in 2016
Arecibo Telescope : Scheduled For Decommissioning
The Arecibo Telescope was damaged by hurricanes and storms over the years, as well as budget cuts.
The end came when an auxiliary support cable for the hanging platform broke on 10 August 2020, causing a 30 metre gash in the reflector dish.
Before a new cable could be installed, one of the two main support cables broke on 7 November 2020, shattering part of the dish.
On 17 November 2020, the National Science Foundation announced that it was impossible to repair the Arecibo telescope, and it will be recommissioned instead.
Unfortunately, before that could happen, the remaining support cables failed, and the hanging platform collapsed into the dish on 1 December 2020.
Watch : Arecibo Telescope Before & During The Collapse!
The National Science Foundation just released footage of the Arecibo telescope, before and during the collapse.
The footage was captured by a video camera from the control tower (Tower 12), and a drone inspecting the cables at the top of Tower 4.
Here is how the National Science Foundation described the footage of the collapse :
According to the NSF’s initial findings, the top section of all three support towers broke off, and both the 900-ton hanging instrument platform and its support cables fell onto the dish.
The observatory’s learning center sustained significant damage from the falling cables, although fortunately, no one was injured in the incident.
This is what the Arecibo telescope looked like, after the hanging platform crashed into the reflector dish below.
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