@doktrock@toad.socialNews story on a significant earthquake in Uzbekistan, 50 years ago, May 17, 1976 (Fargo-Moorhead Forum archives). Mentions the Medvedev scale, apparently now the the MSK or MSK-64 scale. That scale is not mentioned in North American, physical geology textbooks I have seen, although it's apparently similar to the Mercalli scale.
Also, the first page of a scientific paper on it, from 1980. ⚒️🧪
#OTD
@cosmos4u@scicomm.xyz40 ago #OTD the 'Red Elvis' #DeanReed was found dead: https://www.youtube.com/watch?v=2XdaCWyUyNQ = his cover of "Rock ‘N Roll (I Gave You The Best Years Of My Life)", my favorite version (the original https://www.youtube.com/watch?v=mmNHwqmYDac and the German adaptation https://www.youtube.com/watch?v=Ns73GmANQ5c are also great) - see https://www.deanreed.de and https://en.wikipedia.org/wiki/Dean_Reed about a remarkable life ...
@BugWarp@wikis.world15 years ago #OTD the #SpaceShuttle flew for the last time. The most elegant ship that ever carried humans to the cosmos.. and I miss her everyday.
But it's a good opportunity to remember that Atlantis namesake, the ship RV Atlantis, is still alive and working in Argentina!
@cosmos4u@scicomm.xyz25 years ago #OTD I observed a long Total #SolarEclipse in #Zambia: lots of pictures in the albums https://www.geocities.ws/skyreports/zam2001/index.html = https://web.archive.org/web/20130529024154/http://www.astro.uni-bonn.de/~dfischer/skyreports/zam2001/ and a long story (in German) in https://www.geocities.ws/skyreports/zam2001/bericht.html = https://web.archive.org/web/20120527054554/http://www.astro.uni-bonn.de/~dfischer/skyreports/zam2001/bericht.html
@cosmos4u@scicomm.xyz50 years ago #OTD the #Viking 1 Orbiter with its precious Lander cargo entered into orbit around #Mars: https://www.facebook.com/VikingMarsMission/posts/pfbid034yTJzsyT5ZrNHgsFeNtxrvFDRxRpFQyQfB344patQDdUr7JBCnJZgPBk9sdSuhhNl - the landing came a month later.
@cosmos4u@scicomm.xyz50 years ago #OTD NASA's #Viking1 landed on #Mars: https://en.wikipedia.org/wiki/Viking_1 - here is part of the first image sent from the surface. The camera was a horizontally rotating scanner moving left to right: the early vertical columns are brighter because dust from touch-down hadn't settled yet.
@cosmos4u@scicomm.xyzRE: #OTD the #cosmologist George #Lemaître died:
@cosmos4u@scicomm.xyz100 years ago #OTD the #planetarium in #Jena (Germany) opened to the public: it's the oldest one in the world srill operating in the same location! Scroll down on https://skyweek.wordpress.com/2026/07/18/die-leuchtenden-nachtwolken-sind-weiter-aktiv for some news coverage back then and the wider context.
@cosmos4u@scicomm.xyzHow the #Viking1 #Mars landing 50 years ago #OTD was covered on U.S. TV news then: https://www.youtube.com/watch?v=JDiiPhNs2Xw
@cosmos4u@scicomm.xyzRE: #OTD the first large #planetarium in the world opened in Wuppertal, Germany, also introducing the ant-shaped projector design which most would use for the following 3/4 century.
@ose_rouge@don.linxx.netDeutsche linksradikale Militante. Hier immerhin im verspäteten Reflexionsmodus. Aus »Gerd Albartus ist tot.« Positionspapier der RZ, 1991. #OTD #Entebbe #RZ #Antisemitismus
@cosmos4u@scicomm.xyz175 years ago #OTD the Prussian photographer Johann Julius Friedrich #Berkowski took the first photograph of a total #SolarEclipse, seen here in 19th century 'processing': more in https://www.lindahall.org/about/news/scientist-of-the-day/julius-berkowski/ and https://web.archive.org/web/20150402161350/http://www.astro.uni-jena.de/~schie/20130000_WittmannSchielicke_Parish_Mitt_Gauss-Ges_Nr_50(2013)_S_37-54.pdf (PDF pages 8-12) and https://time.com/4883424/solar-eclipse-first-photo-taken/ and https://hyperallergic.com/the-first-photographs-of-a-solar-eclipse/ and https://petapixel.com/2017/08/05/first-ever-solar-eclipse-photo-shot-1851/
