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American National Science Foundation(NSF) ・SRI International・National Association of Astronomical Universities・ Radio Observatorio in Arecibo, Puerto Rico, which is operated by the University of Puerto Rico MetropolitanArecibo ObservatoryThen, on December 1, 2020, an accident occurred in which a receiver weighing more than 900 tons fell 140 meters and crushed the primary mirror. NSF has released a new video that captures the situation of this accident.
Arecibo News Media | National Science Foundation
https://www.nsf.gov/news/special_reports/arecibo/
Drone images show the shocking collapse of the Arecibo Observatory – The Verge
https://www.theverge.com/22150330/arecibo-observatory-collapse-drone-footage-video
Exact moment of the collapse of the Arecibo telescope captured on video
https://mashable.com/article/arecibo-telescope-collapse-video/
Built in 1963, the Arecibo Astronomical Observatory radio telescope has reigned as the “world’s largest radio telescope” for more than 50 years. The observatory has been active in numerous planetary observations, but in 2020Two major accidentsIn NovemberDecided dismantlingdoing. At around 7:53 a.m. local time on December 1, 2020, before the details of this decommissioning plan were decided, an accident occurred in which a receiver weighing more than 900 tonnes suspended in the air fell and broke. the primary mirror of the radio telescope. did.
More than 900 tons of receiver at the Arecibo Observatory fall and crush the primary mirror-GIGAZINE
The Arecibo Astronomical Observatory video after the accident was released by the general public and the media, but NSF has released a new video that captures the moment of the accident. It seems that the image of the moment of the collapse was taken with two cameras, the camera of the operations control center of the Astronomical Observatory of Arecibo and the camera of the drone.
The first video was taken with a camera installed in the Operations Control Center of the Arecibo Astronomical Observatory. Suspended in the air is the receiver for the Arecibo Observatory radio telescope. The receiver weighed about 900 tons and was suspended 150 meters above the ground with 18 cables.
This receiver is suspended by multiple cables, but suddenly sways when blown away by the wind …
The cable is broken. You can see that the wire that runs to the left of the receiver is broken while blowing dust.
Since the wire that runs to the right of the receiver is not broken, it falls like a pendulum …
Gashan
In the end, both the receiver and the cable disappeared from the screen.
From here, it will be the image of the drone that was shooting the top of the tower by fixing the cable.
Suddenly one of the cables broke when I thought that something like smoke had risen from the part where the cable was attached.
Then disconnect the two remaining cables.
When the drone operator hastily turns the camera in the direction of the missing wire …
You can see that the receiver has already landed on the main mirror.
As it is a drone, I will continue to increase the altitude as it is, and the video will end after capturing the full image of the Arecibo Astronomical Observatory at the time of the accident.
“I think we were lucky. The drone operator saw the moment of the accident and managed to point the camera,” Ashley Saudeller, NSF program manager, told a news conference. It is a coincidence that he managed to film the moment of the accident.
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