The <a href="https://en.wikipedia.org/wiki/Arecibo_Telescope" id="mwAao" rel="mw:WikiLink" title="Arecibo Telescope">Arecibo Telescope</a> collapsed.<sup about="#mwt168" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-34"}}' id="cite_ref-34" rel="dc:references" typeof="mw:Extension/ref"><a href="./December_1#cite_note-34" id="mwAas" style="counter-reset: mw-Ref 34;"><span class="mw-reflink-text" id="mwAaw">[34]</span></a></sup><sup about="#mwt172" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-35"}}' id="cite_ref-35" rel="dc:references" typeof="mw:Extension/ref"><a href="./December_1#cite_note-35" id="mwAa0" style="counter-reset: mw-Ref 35;"><span class="mw-reflink-text" id="mwAa4">[35]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-34"><cite about="#mwt165" class="citation news cs1" id="mwCPM"><a class="external text" href="https://www.theguardian.com/world/2020/dec/01/arecibo-radio-telescope-collapses-puerto-rico" id="mwCPQ" rel="mw:ExtLink nofollow">"Giant Arecibo radio telescope collapses in Puerto Rico"</a>. <i id="mwCPU"><a href="./The_Guardian" id="mwCPY" rel="mw:WikiLink" title="The Guardian">The Guardian</a></i>. <a href="./Associated_Press" id="mwCPc" rel="mw:WikiLink" title="Associated Press">Associated Press</a>. 1 December 2020. <a class="mw-redirect" href="./ISSN_(identifier)" id="mwCPg" rel="mw:WikiLink" title="ISSN (identifier)">ISSN</a><span id="mwCPk" typeof="mw:Entity"> </span><a class="external text" href="https://www.worldcat.org/issn/0261-3077" id="mwCPo" rel="mw:ExtLink nofollow">0261-3077</a><span class="reference-accessdate" id="mwCPs">. Retrieved <span class="nowrap" id="mwCPw">1 December</span> 2020</span>.</cite><span about="#mwt165" class="Z3988" id="mwCP0" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+Guardian&amp;rft.atitle=Giant+Arecibo+radio+telescope+collapses+in+Puerto+Rico&amp;rft.date=2020-12-01&amp;rft.issn=0261-3077&amp;rft_id=https%3A%2F%2Fwww.theguardian.com%2Fworld%2F2020%2Fdec%2F01%2Farecibo-radio-telescope-collapses-puerto-rico&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ADecember+1"></span></span>