We changed the URL from https://twitter.com/DeborahTiempo/status/1333741751069192195 to an article with more background info, albeit mostly from Twitter.
Other sources (via https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...):
https://www.npr.org/2020/12/01/940767001/arecibo-observatory...
https://twitter.com/ProfAbelMendez/status/133380715605177548...
https://www.nytimes.com/2020/12/01/science/space/arecibo-tel...
https://apnews.com/article/technology-arecibo-observatory-pu...
https://www.theverge.com/2020/12/1/21754959/arecibo-observat...