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Analyzing Video Footage Of Collapse of Massive Arecibo Telescope

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  • Analyzing Video Footage Of Collapse of Massive Arecibo Telescope

    12:57

    The collapse was on Tuesday morning, but yesterday the NSF made video of the catastrophic collapse available, and so many viewers asked I continue my long tradition of 'coping by analyzing failure' and document what I see in this footage. It's hard to watch because this magnificent structure has always been part of the world of astronomy for me.

    For those that feel moved into action a starting point may well be this petition ask the White House to consider rebuilding the facility.


    Juan R Costa's images of the structure after collapse are available on the NotiCel site, they're the best images of this:

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  • Footage of Arecibo observatory collapse analysed in detail

    11:27

    Arecibo telescope Collapsed on the 1 of December 2020, and footage of the collapse was released by the NSF allowing us to break down these events.
    In this video, the Arecibo observatory collapse was analysed, showing that this event was not a single failure but a series of actions that lead up to the final catastrophic collapse.

    This video analyses the collapse in detail break down each event.

    #Arecibo_Observatory was one of the most iconic scientific instruments in the world and was the first to detect gravitational waves by observing binary pulsars. The Arecibo Telescope was also the largest radar telescope in the world by around 20 times, this will be a big loss to the scientific community.

    it is not often that we are able to observe such a catastrophic collapse so close, this gives us a unique insight into the event that led up to the demise of the Arecibo observatory.

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    Intro: (0:00)
    History of Arecibo's telescope: (0:51)
    Construction of Arecibo observatory: (2:31)
    Events leading up to the Collapse of Arecibo observatory: (2:48)
    Arecibo telescope Collapse Analysed: (4:31)
    Final: (10:58)

  • x
  • Telescope Collapses at Arecibo Observatory in Puerto Rico | NowThis

    3:51

    This shocking footage shows the moment a famous telescope in Puerto Rico collapsed — here’s how it helped scientists make important contributions to astronomy when it was still standing.
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  • Watch the Arecibo Observatorys catastrophic collapse!

    1:58

    The National Science Foundation has released remarkable footage of the Arecibo Observatory's 900-ton platform falling into the 1,000-foot wide (305 meters) dish below. A drone happened to be performing an up-close investigation of the cables that hold the platform above the dish as they snapped.

    Videos released Thursday by NSF show both the drone footage and the view from a camera in the visitor center that shows the platform falling into the dish just above the jungle floor in Puerto Rico. Two massive chunks of the cement towers that the cables were attached to can also be seen falling.

    Two of the cables had previously broken, one in August and another in November, destabilizing the dish.

  • x
  • Arecibo Radio Telescope Collapses!

    5:32

    At around 7:50am this morning the world famous Arecibo radio telescope collapsed after a series of failures weakened its structural integrity over the last few months. It's possible that the final collapse was triggered by transient loads from a seismic event, and we expect to find out more in the coming hours. Based on photos of the destroyed structure I've tried to lay out a sequence of events that explains the distribution of wreckage.

    Footage from the NSF showing the collapse as it happened


    Here some drone footage of the wreckage:

  • Drone footage shows giant Arecibo Observatory collapsing in Puerto Rico

    1:21

    Footage released by the National Science Foundation shows the moment a huge radio telescope collapsed in Puerto Rico on Tuesday. The Arecibo Observatory played a key role in astronomical discoveries for more than half a century but had been scheduled for demolition in November by the US National Science Foundation because of pre-existing damage.

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  • What We Lost When the Arecibo Observatory Collapsed

    4:43

    The Arecibo telescope, an icon in radio astronomy, has collapsed. Here's the legacy it leaves behind.
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    The destruction of this iconic observatory was due to multiple cable malfunctions. The National Science Foundation hasn’t given any further details about the fall, but we do know that at the beginning of November 2020 they’d actually been discussing plans to safely decommission the observatory by gently lowering the central platform. But unfortunately, nature had other plans. Luckily, no one was harmed in the collapse of the observatory, but sadly this ends an era of space exploration.

    The initial idea for Arecibo actually started in the 1950s by Professor William Gordon from Cornell University. Gordon had the desire to study the ionosphere, which is the layer of our Earth’s atmosphere that can reflect radio waves. The funding for this revolutionary project came from the Defense Advanced Research Projects Agency or DARPA in 1959, when Cornell University signed a contract to conduct development studies centered around large-scale radar probes. Four years later in 1963, construction was completed in the limestone hills of Arecibo, Puerto Rico.

    The completed project featured a 817-metric-ton equipment platform, which was suspended over 152 meters above its massive 305 meter spherical reflector. Making it the world’s largest single radio telescope. Well, until 2016 when China developed its own single radio telescope called the Five-Hundred-meter Aperture Spherical Radio Telescope or FAST.

    #arecibotelescope #arecibocollapse #seeker #science


    Read More:

    Arecibo Observatory Telescope Collapses, Ending Era Of World-Class Research

    Arecibo's 900-ton equipment platform, suspended some 500 feet above the dish, fell overnight after the last of its healthy support cables failed to keep it in place.

    Arecibo telescope collapses, ending 57-year run

    'I feel sick in my stomach,' Lugo says, fighting back tears. '“Truthfully, it was a lot of hard work by a lot of people trying to restore this facility. It’s disappointing we weren’t successful. It’s really a hard morning.'

    Why losing Arecibo is a big deal for astronomy

    Arecibo’s observing days may be over, but that doesn’t mean data from the telescope won’t make any more contributions to science, Schmelz says. Some of radio astronomy’s most exciting discoveries have emerged from the reanalysis of old telescope data.

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  • What Happened to Arecibo Observatory And What Did It Discover?

    15:29

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    Hello and welcome! My name is Anton and in this video, we will talk about the top discoveries of the incredible Arecibo Observatory that has recently been shut down.
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  • Arecibo radio telescope goes dark after mysterious destruction

    3:06

    A massive radio telescope made famous as the backdrop for a pivotal scene in the James Bond film GoldenEye and other Hollywood hits was found suddenly out of commission after cables mysteriously snapped and smashed into the facility's main dish. Jeff Glor hears from the Arecibo Observatory's director about what scientists are doing to get the telescope operational.

  • x
  • The wondrous life—and death—of Puerto Rico’s Arecibo Observatory

    4:35

    If a telescope’s 900-ton platform falls in a forest, it most definitely makes a sound. On 1 December 2020, a monumental collapse at Puerto Rico’s Arecibo Observatory unleashed a monstrous roar across the tree-covered karst landscape. In the rubble lay key components of a telescope that had delivered some of the most important scientific discoveries of the past half-century: indirect evidence of gravitational waves, a map of the surface of Venus, and detection of the first exoplanets.

    But Arecibo was more than just a scientific powerhouse. It was also a cultural icon. The telescope’s singular appearance led to cameos in movies, including Contact and Goldeneye. This video is a virtual tour of the technological advances that led to the telescope’s profound achievements—and a visual timeline of the momentous events that made up its life and death.

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  • Goodbye Arecibo, Your Spirit Is Now In Chinas FAST Telescope

    14:37

    On the island of Puerto Rico, nestled in the hills surrounding the city of Arecibo, stands the most famous radio telescope in the world, which over the years has become a Pop icon of scientific research.
    Without forgetting the strong emotional drive that the great antenna has always represented in the world for SETI research.
    But the news that more than any other seems to us able to give the measure of this extraordinary acceleration is that after just five years of work China has completed the construction of FAST - that is what with its 519 meters in diameter must be considered today the largest single antenna radio telescope in the world - thus appropriating a record that for more than half a century was held by the radio telescope of Arecibo with its parabola of 305 meters!

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    The idea to build FAST (we will see later the meaning of this name) was born from a previous adhesion of China to the troubled Square Kilometer Array (SKA) project, when it was still assumed that the radio telescope wanted by the international scientific community could be built in the Asian country. In the end, it was decided that SKA would be built in two separate sites, in South Africa and Australia, and that it would use not a single mirror but a large expanse of smaller radio antennas. So, in 2006, China decided to set up on its own and take advantage of the experience gained to build its own radio observatory, extraordinarily large not only for reasons of political prestige, but also because of the need to impose a new dimensional standard to the scientific research of radio waves.
    But let's go in order, and enjoy step by step the stages of this extraordinary realization, starting from the description of the place where it was erected, i.e. Pingtang County, in the southern province of Guizhou.
    This part of the territory is formed by a continuous expanse of low mountains separated by cavities of karstic origin, mostly of almost circular shape.
    Just inside one of these, the Dawodang depression, 800 meters wide and chosen among many others scattered throughout China, it was decided in 2007 to house the antenna of a radio telescope similar to that of Arecibo, whose parabola, as we said at the beginning, was also built in a natural hollow. The area is definitely sparsely populated. The nearest cities are Anshun, more than 130 km northwest, and the great Guiyang, 150 km north, and therefore few are the artificial radio signals that could interfere with the observations. The obligation to respect the radio silence, also turning off cell phones, will have to be observed about ten kilometers before the arrival at the site, so that the Chinese government had to move to another location (not without controversy) the about 9 thousand people who lived less than 5 km from the installation.
    The staff of resident scientists and technicians, about seventy people in all, will move for emergencies with two helicopters always available on the square of the control center, while the visitors, who are expected to be very numerous, will almost all arrive by bus, since the area is forbidden to private traffic.
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  • Arecibo Observatory telescope, a Puerto Rico landmark, collapses after damage

    37

    After sustaining severe damage from a broken cable, the famed Arecibo Observatory telescope in Puerto Rico has collapsed. CBSN's Anne-Marie Green and Vladimir Duthiers have more.

  • What Happened To The Arecibo Observatory?

    2:01

    Arecibo was the second largest ground-based telescope. This telescope had a 305 m inverted spherical dome which was made of 38,778 perforated aluminum panels. Since its completion in November 1963 it was used for the radar and radio astronomy and was a part of Search for extraterrestrial intelligence program.

    Recently some of its cables broke and 900-tonne platform fell, crashing on the dish.

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  • Arecibo Observatory: Drone footage reveals devastation of collapse

    3:02

    Arecibo Observatory: Drone footage reveals devastation of collapse

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    In August, two cables which held together the Arecibo Observatory in Puerto Rico snapped. Researchers had initially hoped the observatory, which has served astronomers for almost 60 years, could be salvaged, but in November, authorities at the US National Science Foundation (NSF) said it would have to be decommissi...

  • Aerial Video Shows Damage After Arecibo Radio Telescope Collapses | NBC News NOW

    1:09

    The telescope's 900-ton receiver fell into the 1,000-foot wide reflector dish after cables holding it snapped. The famed telescope was used to study distant planets and find asteroids and also held a special place in pop culture.
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    Aerial Video Shows Damage After Arecibo Radio Telescope Collapses | NBC News NOW

  • Our JULY 2020 Visit to Arecibo: The Arecibo Observatory Has Collapsed ????

    7:14

    Tour of The Arecibo Observatory July 2020, before damage and collapse. We visited in July of this year and I had no idea it would become a farewell video. Due to catastrophic damage recently, The Arecibo Observatory has collapsed and is destroyed. I'm heartbroken...

    I have much more high-definition, raw b-roll video of the observatory and visitors center from July 2020. Contact brickimmortar@gmail.com for licensing.

    Scott Manley's Detailed Breakdown:
    More Arecibo Info:

    Timestamps:
    00:00 Arecibo Radio Telescope Approach and Intro
    01:21 Arecibo Observatory 2020 Damage News Updates
    02:10 Overlooking Dish From Visitor Viewing Platform
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    06:01 Farewell Arecibo, You'll Always be a Star!

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  • A Farewell to the Arecibo Observatory | SciShow News

    5:41

    This episode is sponsored by Awesome Socks Club, a sock subscription for charity. Go to to sign up between now and December 11th to get a new pair of fun socks each month in 2021. 100% of after-tax profit will go to decrease maternal and child mortality in Sierra Leone, which is one of the most dangerous places to be pregnant in the world.

    On December 1, 2020, Arecibo's long-story came crashing down to an end. While it's sad to see this monumental observatory go, it's worth looking back over the many discoveries it's made over the last 60 years.



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  • Arecibo collapse part 1

    44

  • Watch the Arecibo telescope collapse | Science News

    1:37

    After suffering damage in recent months, the Arecibo Observatory radio telescope in Puerto Rico collapsed on December 1. Cables that suspended a platform of scientific instruments above the dish snapped, causing the platform to fall into the dish.
    Read more:

    Video: Arecibo Observatory/NSF

  • The Collapse of the Arecibo Radio Telescope

    1:58

    Footage courtesy of the Courtesy of the Arecibo Observatory (a U.S. National Science Foundation facility) of the final catastrophic collapse of the instrumental platform.

    Fortunately nobody was hurt.

  • x
  • Watch Collapse of the Arecibo Observatory in Puerto Rico

    1:44

    Dec.07 -- This is the moment the receiver of the telescope at the Arecibo Observatory in Puerto Rico fell and damaged the reflector dish earlier this week. No injuries were reported. This happened on Dec. 3.

  • Shocking Footage of Arecibo Telescope Collapse | A Tribute to Arecibo

    3:44

    After being in operation for 57 years, the Arecibo observatory has finally met its demise. On December 1, at 8 AM local time, the 900-ton instrument platform suspended above the collecting dish collapsed as the suspending cables weakened over time. The collapse occurred 2 weeks after the National Science Foundation decided to dismantle the telescope due to 2 cable failures earlier this year.

    In its 57 years of operation, the observatory endured many hurricanes, humidity, and earthquakes. These factors caused a support cable to breakdown, causing a huge setback in the telescope’s operations. As engineers came out with a plan to stabilize the structure, another cable broke down on November 6th, causing massive damage to the collecting dish and the platform suspended above it. Following 2 cable breakdowns within a year, the National Science Foundation (NSF) declared the structure too weak dangerous to be repaired, and hence it was to be dismantled.

    But the telescope couldn’t survive until the scheduled dismantlement. Just within 2 weeks after NSF announced its plan, the rest of the cables broke down because of the excessive load they were bearing due to the collapse of 2 cables earlier.

    Being one of the oldest telescopes in the world, Arecibo was an asset to science. Here are some of the most contributions that the telescope made in its nearly six decades of operation.

    In 1964, a team of researchers used the telescope to determine the correct rotational period of Mercury. They found that Mercury spins on its axis once every 59 days, and not 88 days as previously thought.

    In 1968, Arecibo was used to determine the periodicity of the crab pulsar. This provided the first solid evidence for the existence of neutron stars.

    In 1974, researchers using the Arecibo telescope discovered the first binary pulsar. This discovery was awarded the 1982 Nobel Prize in Physics.

    In 1982, the first-millisecond pulsar PSR B1937+21 was also discovered using this telescope. Spinning 642 times per second, it was the fastest spinning pulsar until the discovery of PSR J1748-2446ad in 2006.

    In 1989, the observatory directly imaged an asteroid for the first time in history: 4769 Castalia.
    In 1993, pulsar PSR B1257+12 by Polish Astronomer Aleksander Wolszczan. It later led him to the discovery of three planets orbiting the pulsar. This was the first time an exoplanet was found.
    In 2008, detection of prebiotic molecules methenamine and hydrogen cyanide were reported from the observatory’s radio spectroscopy measurements of the distant starburst galaxy Arp 220.

    This news has not only saddened the scientists who have worked at the Arecibo observatory, but even the residents of Puerto Rico are also shocked. The telescope was a major tourist attraction, driving over 90,000 tourists every year. No doubt, it’s an end of an era!

  • Arecibo Observatory Collapse Video

    2:32

    Video of the collapse of the Arecibo Observatory on December 1, 2020. The collapse was not unexpected. A cable broke in August, and while it appeared it would be possible to repair the facility at the time, that changed when a second cable failed on November 6th. By November 19th it became apparent that a total failure was likely and there wasn't going to be a safe way to conduct the repairs. Each of the main cables weighs around 15,000 pounds, and so replacing the broken cables when the others were already carrying higher loads wasn't going to be possible. Hopefully, funding will become available to rebuild the facility since it was the 2nd largest radio telescope and the largest radar telescope.

  • Arecibo Observatory destruction captured by drone and control room

    1:39

    The Arecibo Observatory suffered a massive collapse on Dec. 1, 2020. A control room camera and drone captured the devastation. -- Full Story:

    Credit: Space.com | footage courtesy: Arecibo Observatory / National Science Foundation | produced & edited by Steve Spaleta (

  • Arecibo Observatory in Puerto Rico collapses as engineers feared

    3:32

    | World News Today
    The massive Arecibo Observatory in Puerto Rico collapsed in on itself overnight. The catastrophic failure had been predicted by engineers after the telescope suffered two major cable malfunctions over the last couple of months, risking the integrity of the observatory’s entire structure.

    Pictures of Arecibo surfaced online this morning, revealing that the massive 900-ton platform that is normally suspended above the observatory was no longer there. The National Science Foundation, which oversees Arecibo, confirmed to The Verge that the platform did come crashing down onto the telescope’s giant 1,000-foot-wide dish. No injuries have been reported, according to the agency.

    “NSF is working with stakeholders to assess the situation,” the agency tweeted. “Our top priority is maintaining safety. NSF will release more details when they are confirmed.”
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  • What happened to Arecibo Observatory Telescope ?

    11:19

    The Arecibo Observatory and Arecibo Telescope suddenly collapsed at the first day of December of 2020. The Arecibo Observatory was one of the most important structures in the world of science and space tech, and Arecibo Telescope was the most important space telescope to exist.

    This structure was situated in Puerto Rico and owned by United States Science Foundation. It was adjoined with Search for Extraterrestrial Intelligence (SETI) program and contributed in science through gaining few nobel prizes and making few groundbreaking discoveries.

    Despite of being so crucial, Arecibo’s funding had been slowly and gradually dried up for 14 years since 2006. This was mixed up with disputes over the exact nature of how reduced funding would be continued that led to the resignation of an executive as well. Arecibo was also damaged in 2017 by the ravages of Hurricane Maria. Those natural attack and neglect in maintenance made the structure weak. Damaged cable, missing cable, broken cable of the structure is the visible reason of its fall. However, collapse of the structure was actually the result of overlooking by upper management.

    The scale of the crash was horrendously huge, and a drone was able to capture the once-in-a-lifetime event of the collapse. For such a historically important and impactful telescope, it is very painful to know that it was not taken care of that very well at all. We can only hope that a repetition of such events does not happen with newer radio telescopes. These wonders of mankind should be retired with respect at the end of their service lives for their contributions in pushing humanity towards the endless frontiers of space.

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    #AreciboObservatory #Telescope #Collapse

  • What Happened at Arecibo Observatory

    1:26

    On December 1, we all woke up to terrible news – the Arecibo Observatory had collapsed.

    What you may not have known is that Arecibo has been under UCF's management in cooperation with the National Science Foundation since 2018 and contributed to significant breakthroughs in space research.

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  • ARECIBO Observatory: Historical Tribute

    4:41

    Hi. I'm a Gay Travel YouTuber located in Orlando, Florida. In this episode I pay tribute to the soon to be decommissioned Arecibo Observatory in Puerto Rico. This amazing world-famous site has been studying the universe for 57 years. I am sad to see it go away, so I put together this historical tribute video to the Arecibo Observatory. Let's Go!

  • Dramatic Footage of the Collapse of Arecibo Observatory’s 305-Meter Telescope

    1:54



    Credit: Courtesy of the Arecibo Observatory, a U.S. National Science Foundation facility

  • The Moment Arecibo Observatory Collapsed Captured on Video

    10:11

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    Hello and welcome! My name is Anton and in this video, we will talk about the final moments of the Arecibo Observatory collapsing in Puerto Rico.
    Find the NSF footage used here:
    Credit: Courtesy of the Arecibo Observatory, a U.S. National Science Foundation facility
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  • Arecibo Telescope Collapse - Drone Footage

    1:52

    Close-up drone footage of cable failure leading to the total collapse of the Arecibo Observatory at 7:55 a.m. local time on December 1, 2020. What a sad end to this fantastic instrument.

    Here are two great videos with details about the observatory from before and after the collapse, posted by Scott Manley. He also explains purpose and capabilities of the observatory, including its unique radar capabilities.



    This video was posted by the National Science Foundation and has been edited for different sequencing and better sound. Link:

  • Arecibo Collapse 12/1/20

    1:54

    Excellent footage released by the National Science Foundation.

    Drone footage at :56 shows cables parting just before complete collapse.

    Great article here:

  • Caught On Video! The Collapse Of The Telescope At The Arecibo Observatory

    3:05

    San Juan, Puerto Rico - 12/6/2020 - The Arecibo Observatory is home to one of the most powerful telescopes on the planet. The instrument platform of the 305-meter telescope at Arecibo Observatory in Puerto Rico fell at approximately 7:55 a.m. Puerto Rico time on December 1st...and it was all caught on camera!
    Story source -

  • Arecibo telescope’s collapse

    1:02

    The iconic radio telescope at the Arecibo Observatory in Puerto Rico has collapsed, leaving astronomers and the Puerto Rican scientific community to mourn its demise.

    Engineers had warned that the 900-tonne platform suspended above the telescope’s 305-metre-wide dish could fall at any moment, given that one of the main cables supporting it had snapped in early November. Last month, the US National Science Foundation (NSF), which owns the observatory, had announced it would shut down the telescope permanently, citing safety concerns over its instability, and damage too extensive to repair.

    The final collapse happened just before 8 a.m. local time on 1 December. No one was injured.

    Drone footage of the collapse, released by the NSF two days later, shows cables snapping at the top of one of the three towers from which the instrument platform was suspended. The platform plummets downward and crashes into the side of the dish. The tops of all three towers also snap off.

    Prior to the failure, engineers had been exploring options to relieve some of the tension in the cables, including by relaxing other support cables to tilt the towers around the dish. The NSF had not yet decided to move forward with that plan when the platform collapsed.

    Some nearby buildings, including the control room and the visitor centre, survived the collapse. An educational centre, however, seems to have been substantially damaged by the falling platform and cables.

    Questions remain about whether the cables were maintained properly over the years. The cable that failed in November, precipitating the final collapse, dated back to the observatory’s construction in 1963.

    Full video :
    More information:

    #collapse #drone #telescope

  • Arecibo Telescope : Before And During The Collapse

    4:07

    The catastrophic collapse of the Arecibo telescope on 1 December 2020 was captured by a control tower camera and a drone.

    Details :

    As the National Science Foundation described the collapse footage :

    This video, that starts with a view of the top of Tower 4, was taken from the vantage point of an Arecibo Observatory drone, utilized for monitoring the condition of Tower 4 support cables.

    Four cables are seen in the center of this video. The top cable does not support the telescope platform, but instead supports the catwalk described in the narrative for the previous video. The three lower cables are, from left to right, M4-1, M4-2, and M4-3.

    Note that a number of individual wire strands of the M4-1 and M4-2 cables are noticeably broken at the beginning of this video. The M4-3 cable does not appear to have any broken wires at the beginning of this video.

    The first indication of the coming failure is the breaking of another M4-2 wire, accompanied by a puff of smoke and chips of paint flying away from the surface of the cable. Four seconds later the entire M4-2 cable appears to disintegrate.

    The failure of M4-2 is followed a fraction of a second later by the demise of M4-1, followed a fraction of a second later by the failure of M4-3.

    The drone operator then swings the drone around to view the reflector dish and fallen platform, azimuth arm, Gregorian dome and the falling cables and catwalk.

    The top section of Tower 12, near the Visitor Center, can be seen tumbling down the hill to the left of the operations building. The Tower 12 backstay cables that connect the top of Tower 12 to the ground cause damage behind Tower 12, well away from the edge of the telescope dish.

    Tech ARP | | forums.techarp.com

  • Drone footage of Collapse Arecibo Observatorymain

    1:58

    Credit: Courtesy of the Arecibo Observatory, a U.S. National Science Foundation facility.

    This video, that starts with a view of the top of Tower 4, was taken from the vantage point of an Arecibo Observatory drone, utilized for monitoring the condition of Tower 4 support cables. Four cables are seen in the center of this video. The top cable does not support the telescope platform, but instead supports the catwalk described in the narrative for the previous video. The three lower cables are, from left to right, M4-1, M4-2, and M4-3. Note that a number of individual wire strands of the M4-1 and M4-2 cables are noticeably broken at the beginning of this video. The M4-3 cable does not appear to have any broken wires at the beginning of this video. The first indication of the coming failure is the breaking of another M4-2 wire, accompanied by a puff of smoke and chips of paint flying away from the surface of the cable. Four seconds later the entire M4-2 cable appears to disintegrate. The failure of M4-2 is followed a fraction of a second later by the demise of M4-1, followed a fraction of a second later by the failure of M4-3. The drone operator then swings the drone around to view the reflector dish and fallen platform, azimuth arm, Gregorian dome and the falling cables and catwalk. The top section of Towe 12, near the Visitor Center, can be seen tumbling down the hill to the left of the operations building. The Tower 12 backstay cables that connect the top of Tower 12 to the ground cause damage behind Tower 12, well away from the edge of the telescope dish.

  • Arecibo Telescope Collapse

    52

    Videos Credit: Arecibo Observatory, US National Science Foundation

  • Drone Footage of Arecibo Observatorys Collapse

    1:58

  • Arecibo telescope collapse - Prof Simon

    2:55

    Arecibo telescope collapse footage by NSF.

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  • Arecibo Observatory Collapse

    1:54

    The iconic radio telescope at the Arecibo Observatory has collapsed, leaving astronomers to mourn its demise. Engineers warned that the 900-ton platform suspended above the telescope’s 305-meter-wide dish could fall at any moment, since one of the main cables supporting it had snapped in November. The US National Science Foundation (NSF), which owns the observatory, had announced it would shut down the telescope permanently, citing safety concerns over its instability, and damage too extensive to repair. Video courtesy the National Science Foundation (NSF).

  • Arecibo Observatory to be decommissioned

    1:07

    The National Science Foundation announced on Nov. 19,2020 that they will decommission the Arecibo Observatory in Puerto Rico. Damage to the observatory was deemed to dangerous to repair. -- Arecibo radio telescope, an icon of astronomy, is lost:

    Credit: Space.com / footage courtesy: National Science Foundation / produced & edited by [Steve Spaleta](

  • Footage shows catastrophic collapse of iconic Puerto Rico telescope

    1:37

    Dramatic video from captures the moment when a 816-tonne platform came crashing down on the Arecibo Observatory, shattering one of the world’s largest telescopes and striking a crushing blow to the global scientific community.

    The catastrophic collapse happened on Dec. 1, less than two weeks after the U.S. National Science Foundation (NSF) warned that such a disaster was imminent. The NSF had already shuttered operations at the facility after a suspension cable snapped and slashed a hole in the dish last month.

    The telescope was the largest of its kind when it opened in 1963, and it has contributed to all manner of astronomical discoveries over the years, from asteroids to planets to mysterious radio signals in space. It also won a place in pop culture as the set for such films as Contact and GoldenEye, the first James Bond movie starring Pierce Brosnan.

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    #AreciboObservatory #GlobalNews #PuertoRico

  • Imágenes: Dramático fin del Observatorio de Arecibo ????¿Cómo hemos llegado a esto?

    4:59

    #ciencia #Arecibo #astronomía Exoplanetas.com
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    Imágenes del colapso del Observatorio de Arecibo. Crédito: Cortesía del Observatorio de Arecibo, una instalación de la Fundación Nacional de Ciencias de EE. UU.
    Fotos: University of Central Florida

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  • Arecibo Radio Telescope Instrument Structure Collapse

    1:54

    The exact moment of the major Arecibo Radio Telescope collapse captured on video.

  • End of an Era | Arecibo Radio Telescope After Collapse

    1:37

    #areciboradiotelescope #areciboobservatory #puretoricoobservatory #arecibotelescope #Space

    The National Science Foundation's Arecibo Observatory in Puerto Rico, known for its studies of asteroids and aliens and for its cameo in a James Bond film, collapsed this morning (Dec. 1). The 900-ton platform that hung above the radio dish fell 450 feet (140 meters) into the structure below around 8 a.m. local time, causing massive damage documented online.

  • Caught On Camera Large Telescope Collapse, Massive Space Drone, Christmas Cancelled

    7:06

    -One of the world’s largest telescope collapses into destruction on video as well as drone aerial views. Arecibo telescope platform.
    -Aevum demonstrating the Raven X autonomous drone. Largest in existence to send satellites to space.
    -Quebec cancelling gatherings for Christmas due to pandemic cases
    -Pokemon go level to 43 with 100,000 stardust gain.
    -Squirrels eating
    -Thermal imaging video of squirrel
    -Drone video DJI Mini 2 of nigh clouds and buildings
    #drone #destruction #christmascancelled

    0:00 Intro
    0:29 Christmas Cancelled
    1:07 Telescope Collapse
    2:03 Massive Space Drone
    3:19 Wildlife and thermal
    4:56 Pokemon Go Level 43
    6:28 Drone video

    Vlog Entry 1433

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  • UCF to Manage Arecibo Observatory in Puerto Rico

    46

    The largest fully operational radio telescope on the planet – the Arecibo Observatory in Puerto Rico – will soon be under new management.

    A consortium led by the University of Central Florida will start formal transition activities to take on the management of the National Science Foundation’s Observatory. NSF is negotiating the operations and management award with UCF.

    Importance of the Arecibo Observatory:

  • Arecibo Observatory/Observatorio de Arecibo Puerto Rico drone 12 1 2020

    45

    El Observatorio de Arecibo desapareció. Su plataforma de instrumentos de 900 toneladas, suspendida sobre un plato en las colinas kársticas de Puerto Rico, se derrumbó esta mañana, aproximadamente a las 8 a.m. Video y fotos a las 5:00 p.m. # AreciboobservatoryPR # AreciboobservatorioPR
    The Arecibo Observatory is gone. Its 900-ton instrument platform, suspended above a dish in the karst hills of Puerto Rico, collapsed this morning, at about 8 a.m. More video & photos at 5:00 pm #AreciboobservatoryPR#AreciboobservatorioPR

  • Arecibo Observatory Media B-Roll with collapse

    1:54

    Today, the National Science Foundation released video taken at the moment the Arecibo Radio Observatory's cables failed, allowing its massive instrument platform to crash into the dish below. In describing the videos, the NSF also talked a bit about the monitoring program that had put the cameras in place, ideas it had been pursuing for stabilizing the structure pre-collapse, and prospects for building something new at the site.

    A quick recap of the collapse: the Arecibo dish was designed to reflect incoming radio radiation to collectors that hung from a massive, 900-ton instrument package that was suspended above it. The suspension system was supported by three reinforced concrete towers that held cables that were anchored farther from the dish, looped over the towers, and then continued on to the platform itself. Failure of these cables eventually led to the platform dropping into the dish below it.

    Let’s go to the video
    The video of that collapse comes from a monitoring system put in place in the wake of the cable failures. Due to the danger of further cable breaks, the NSF had instituted no-go zones around each of the three towers that supported the cables. With no personnel allowed to get close enough to inspect the cables, the staff started monitoring them using daily drone flights, one of which was in progress during the collapse. In addition, a video camera was installed on top of the visitor's center, which had a clear view of the instrument platform and one of the support towers.


    As you can see from the video, the drone was examining the area where the cables looped over the support towers. Specifically, it was examining the tower that had supported the one main cable that had failed earlier—note that one of the gaps that the cables pass through is unoccupied. While it was filming, individual wires in the cable started snapping, and the cable failed completely shortly afterward. The remaining connection visible there, which was connected to the scientific instrumentation, survived a bit longer before the plunging platform pulled it apart.

    In the second segment of video, the view from the visitor's center shows how the failure of the cables at that tower affected the rest of the system. With one of the three support anchors gone, the instrument platform dropped toward the dish in between the remaining two. This created off-axis forces that caused the tops of those towers to be wrenched off the rest, resulting in about 60 feet of reinforced concrete plunging to the ground below. At the same time, backstay cables that ran from the tower to the ground came loose and swung around wildly.

    Despite all this destruction, the NSF's decision to keep the areas around the towers clear of personnel ensured that nobody was injured. And the visitor's center, which is near one of the towers, managed to escape without significant damage.



    Arecibo Observatory
    Completed in 1963 and stewarded by U.S. National Science Foundation since the 1970s, Arecibo Observatory has contributed to many important scientific discoveries, including the demonstration of gravitational waves from a binary pulsar, the first discovery of an extrasolar planet, composition of the ionosphere, and the characterization of the properties and orbits of a number of potentially hazardous asteroids.

  • China: Arecibo collapse leaves Guizhous FAST worlds only huge, full dish telescope *DRONE FOOTAGE*

    2:37

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    Mandatory Credit: National Astronomical Observatories of CAS

    Drone footage shows the largest radio telescope in the world, the Five-hundred-metre Aperture Spherical Telescope​ (FAST) in the south-western province of Guizhou on Sunday, which is now the only one of its scale after the Arecibo Telescope collapsed in Puerto Rico on December, 1.

    FAST was completed in July 2016 and has been operating as the largest example of its kind since September 2016.

    The telescope's 500 metre (1,640 feet) fixed dish is located at a natural basin in the Dawodang depression and is made up of 4,450 triangular panels that allow it to monitor radio frequencies between 70 MHz and 3.0 GHz.

    On Tuesday, December 1, the famed giant telescope at Puerto Rico's Arecibo Observatory, believed to be world's second-largest, collapsed, when several support cables broke and came after plans had already been announced to decommission the dish after multiple cable failures in August and November.

    #China #Guizhou #FAST #telescope #drone

    Video ID: 20201213-034

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