{"id":53205,"date":"2014-08-31T18:08:37","date_gmt":"2014-08-31T17:08:37","guid":{"rendered":"http:\/\/www.astb.se\/cassiopeiabloggen\/?p=53205"},"modified":"2014-09-01T20:41:59","modified_gmt":"2014-09-01T19:41:59","slug":"nr-92-2014","status":"publish","type":"post","link":"https:\/\/www.astb.se\/cassiopeiabloggen\/2014\/08\/31\/nr-92-2014\/","title":{"rendered":"Nr 92 2014"},"content":{"rendered":"<h2>\n\t&Auml;nnu en ny Mars-krater<br \/>\n<\/h2>\n<p>\n\tMellan 2008 och 2012 har denna f&auml;rska Mars-krater kommit till ber&auml;ttar ny info fr&aring;n NASA. Bilden <a href=\"http:\/\/photojournal.jpl.nasa.gov\/catalog\/PIA18776\">kommer fr&aring;n orbitern HiRISE <\/a>och visar s&aring;ledes en n&auml;stan dagsf&auml;rsk krater med skarpa konturer och utkastad s&aring; kallad&nbsp; ejecta, som &auml;r m&ouml;rkare och mer bl&aring; &auml;n omgivande miljon&aring;r gamla stoftrika omr&aring;den.\n<\/p>\n<p>\n\tKratern har kommit i dagen i samband med f&ouml;rberedelsena f&ouml;r landningen 2016 av en seimologiskt k&auml;nslig landare kallad <a href=\"http:\/\/insight.jpl.nasa.gov\/home.cfm\" target=\"new\">InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport),<\/a>\n<\/p>\n<p>\n\t<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/PIA18776_modest-e1409499607890.jpg\"><img decoding=\"async\" alt=\"PIA18776_modest\" class=\"aligncenter size-full wp-image-53251\" height=\"312\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/PIA18776_modest-e1409499607890.jpg\" width=\"500\" \/><\/a>\n<\/p>\n<dl>\n<dd style=\"text-align: center;\">\n\t\t<em>(Bildk&auml;lla:NASA\/JPL-Caltech\/Univ. of Arizona)<\/em>\n\t<\/dd>\n<\/dl>\n<p>\n\tMeningen &auml;r att landaren den ska g&aring; ner och registrera meteorit- och bolidkrascher mot planetytan, g&auml;rna krascher som ocks&aring; kan observeras ovanifr&aring;n.\n<\/p>\n<h2>\n\tBildreportage fr&aring;n MAK-tr&auml;ffen<br \/>\n<\/h2>\n<p>\n\tW-bloggens egen kanonfotograf <strong>Christian Vestergaard <\/strong>var f&ouml;rst&aring;s n&auml;rvarande p&aring; den &aring;rliga tr&auml;ffen med Mariestads Astronomiska Klubb 29-30 augusti (&quot;Tr&auml;ff under stj&auml;rnorna&quot;) och nedan f&ouml;ljer en svit bilder.\n<\/p>\n<p>\n\t<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/017-e1409480128638.jpg\"><img decoding=\"async\" alt=\"SAMSUNG CSC\" class=\"aligncenter size-full wp-image-53214\" height=\"225\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/017-e1409480128638.jpg\" width=\"400\" \/><\/a>\n<\/p>\n<p style=\"text-align: center;\">\n\t<em>(Regnet var huvudfienden i &aring;r.<\/em>)\n<\/p>\n<h2>\n\t<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/0321-e1409480850969.jpg\"><img decoding=\"async\" alt=\"SAMSUNG CSC\" class=\"aligncenter size-full wp-image-53223\" height=\"225\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/0321-e1409480850969.jpg\" width=\"400\" \/><\/a><br \/>\n<\/h2>\n<p style=\"text-align: center;\">\n\t<em>(V&auml;nlige MAK-medlemmen <strong>Werner Herthnek<\/strong> tog emot de som anm&auml;lt sig.)<\/em>\n<\/p>\n<h2>\n\t<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/011-e1409480074154.jpg\"><img decoding=\"async\" alt=\"SAMSUNG CSC\" class=\"aligncenter size-full wp-image-53213\" height=\"225\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/011-e1409480074154.jpg\" width=\"400\" \/><\/a><br \/>\n<\/h2>\n<p style=\"text-align: center;\">\n\t<span style=\"font-size: 12px;\"><span style=\"font-family: arial,helvetica,sans-serif;\"><em>(F&ouml;reningen Mariestads Astronomiska Klubb erh&ouml;ll &aring;rets Amat&ouml;rastronomiska Pris. SAAF:s <strong>Johan Warell <\/strong>delade ut priset till MAK:s ordf&ouml;rande <strong>S&ouml;ren Persson<\/strong>.)<\/em><\/span><\/span>\n<\/p>\n<h2>\n\t<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/026-e1409480184733.jpg\"><img decoding=\"async\" alt=\"SAMSUNG CSC\" class=\"aligncenter size-full wp-image-53215\" height=\"225\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/026-e1409480184733.jpg\" width=\"400\" \/><\/a><br \/>\n<\/h2>\n<p style=\"text-align: center;\">\n\t<em>(Kaffepauser &auml;r n&ouml;dv&auml;ndiga! I mitten st&aring;ende <strong>Anders Wettergren<\/strong>.)<\/em>\n<\/p>\n<p>\n\t<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/0391-e1409480379866.jpg\"><img decoding=\"async\" alt=\"SAMSUNG CSC\" class=\"aligncenter size-full wp-image-53219\" height=\"225\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/0391-e1409480379866.jpg\" width=\"400\" \/><\/a>\n<\/p>\n<p style=\"text-align: center;\">\n\t<br \/>\n\t<span style=\"font-size: 12px;\"><span style=\"font-family: arial,helvetica,sans-serif;\"><em>(<strong>Patrick Woitala<\/strong> och VD:n <strong>Christer Kjellner<\/strong> fr&aring;n AstroSweden&nbsp;i Skara s&aring;lde teleskopprylar till intresserade.)<\/em><\/span><\/span>\n<\/p>\n<p>\n\tDenna sorts tr&auml;ffar &auml;r mycket stimulerande, och n&auml;r <strong>Christian Kjellner <\/strong>g&auml;stade oss p&aring; senaste ASTB-storm&ouml;tet ute i Oxie d&ouml;k fr&aring;gan upp om det inte &auml;r dags att ocks&aring; Tycho Brahe-observatoriet och ASTB arrangerar n&aring;got liknande. Lite blodad tand fick vi v&auml;l p&aring; Ven 2009? Logistiken har vi p&aring; plats.\n<\/p>\n<h2>\n\tHOFNAR &auml;r en ny sorts himlakroppar<br \/>\n<\/h2>\n<p>\n\tAlla astronomib&ouml;cker f&aring;r nu skrivas om, f&ouml;r en ny typ av neutronstj&auml;rnor har uppt&auml;ckts: HOFNARs = HOt and Fast Non-Accreting Rotators, allts&aring; heta och snabbt roterande icke-skivsamlande neutronstj&auml;rnor.\n<\/p>\n<p>\n\tDe kan ocks&aring; kallas &quot;hot widows&quot; i analogi med &quot;black widow&quot;-pulsarer.\n<\/p>\n<p>\n\t<a href=\"http:\/\/arxiv.org\/abs\/1408.6770\">Rapport h&auml;r.<\/a>\n<\/p>\n<p>\n\tF&ouml;r min generation ex-r&ouml;kare var annars &quot;hofnar&quot; en verkligt god cigarr&#8230;\n<\/p>\n<p>\n\t<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/hofnar.jpg\"><img decoding=\"async\" alt=\"hofnar\" class=\"aligncenter size-full wp-image-53211\" height=\"225\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/hofnar.jpg\" width=\"160\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/hofnar.jpg 160w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/hofnar-142x200.jpg 142w\" sizes=\"(max-width: 160px) 100vw, 160px\" \/><\/a>\n<\/p>\n<p>\n\t&nbsp;\n<\/p>\n<h2>\n\tHeja Danmark!<br \/>\n<\/h2>\n<p>\n\tI september n&auml;sta &aring;r, allts&aring; 2015,&nbsp; blir danske ESA-astronauten <strong>Andreas Mogensen <\/strong>den f&ouml;rst r&ouml;dvite att bege sig upp till ISS, den internationella rymdstationen och d&auml;rmed bevisa <strong>Fred Hoyles <\/strong>teori att rymden ligger n&auml;ra oss: Det &auml;r ju bara att ta bilen och k&ouml;ra n&aring;gra tiotals mil rakt upp.\n<\/p>\n<p>\n\t<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/Andreas_Neutral_Buoyancy_Lab_medium1.jpg\"><img decoding=\"async\" alt=\"Andreas_Neutral_Buoyancy_Lab_medium\" class=\"aligncenter size-full wp-image-53235\" height=\"203\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/Andreas_Neutral_Buoyancy_Lab_medium1.jpg\" width=\"305\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/Andreas_Neutral_Buoyancy_Lab_medium1.jpg 305w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/Andreas_Neutral_Buoyancy_Lab_medium1-300x199.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/Andreas_Neutral_Buoyancy_Lab_medium1-200x133.jpg 200w\" sizes=\"(max-width: 305px) 100vw, 305px\" \/><\/a>\n<\/p>\n<p style=\"text-align: center;\">\n\t<em>(Bildk&auml;lla: ESA)<\/em>\n<\/p>\n<p>\n\t<u><a href=\"http:\/\/www.esa.int\/Our_Activities\/Human_Spaceflight\/Astronauts\/Andreas_Mogensen\"><span style=\"text-decoration: underline;\">Det danska rymd&auml;ventyret <\/span><\/a><\/u>har jag uppt&auml;ckt via ett tips fr&aring;n&nbsp; <strong>Lars Olefeldt. <\/strong>\n<\/p>\n<h2>\n\tHastighetsrekord<br \/>\n<\/h2>\n<p>\n\t30 procent av ljushastigheten b&auml;r respekt med sig, och men <a href=\"http:\/\/www.aanda.org\/articles\/aa\/abs\/2014\/08\/aa24044-14\/aa24044-14.html\">s&aring; fort ut i rymden r&ouml;r sig gas- och stoftskal fr&aring;n neutronstj&auml;rnor p&aring; vilka&nbsp; r&ouml;ntgenblixtar<\/a> observerats &#8211; skapade av termonukle&auml;ra processer.\n<\/p>\n<h2>\n\tKometm&ouml;tet med Mars<br \/>\n<\/h2>\n<p>\n\t19 oktober sveper Comet Siding Spring (C\/2013 A1) f&ouml;rbi Mars p&aring; kort avst&aring;nd, och de flesta instrument p&aring; och ovanf&ouml;r Mars har &ouml;gon p&aring; helsp&auml;nn: Kommer de att p&aring;verkas? Hur ska instrumenten skyddas? Kan de riktas in och om mot kometen och ge oss ny info som vi inte visste f&ouml;rut?\n<\/p>\n<p>\n\tUnder kometens marsch in mot och runt solen, har en hel del f&ouml;r&auml;ndriungar kunnat noteras, t ex hur dess gasutstr&ouml;mningar (&quot;jets&quot;) ter sig:\n<\/p>\n<p>\n\t<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/Siding-Spring-big-panel-Hubble-e1409489647527.jpg\"><img decoding=\"async\" alt=\"Siding-Spring-big-panel-Hubble\" class=\"aligncenter size-full wp-image-53241\" height=\"300\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/Siding-Spring-big-panel-Hubble-e1409489647527.jpg\" width=\"450\" \/><\/a>\n<\/p>\n<p style=\"text-align: center;\">\n\t<br \/>\n\t<em>(Bildk&auml;lla: NASA, ESA, <strong>J.-Y. Li <\/strong>(Planetary Science Institute)<\/em>\n<\/p>\n<h2>\n\tAischylos komett&auml;nkare?<br \/>\n<\/h2>\n<p>\n\tI en gammal uppsats jag skrev i Lund f&ouml;r en generation sedan drygt, har<strong> Bertil Falk <\/strong>uppt&auml;ckt att jag n&auml;mner <strong>Aischylos<\/strong> som komett&auml;nkare.\n<\/p>\n<p>\n\t&#8211; &Auml;r det den Aischylos?, undrade Bertil, som kan de gamla grekiska trag&ouml;derna.\n<\/p>\n<p>\n\tJag har gl&ouml;mt och blev tvungen att kolla. Svaret &auml;r att det handlar om tv&aring; olika Aischylos p&aring; 400-talet f Kr, och det &auml;r minst en generation mellan dem. &quot;Min&quot; Aischylos var elev till <strong>Hippokrates fr&aring;n Chios<\/strong>, matematikern.\n<\/p>\n<h2>\n\tEn cocktail f&ouml;r en s&aring;n h&auml;r dag<br \/>\n<\/h2>\n<p>\n\tDenna regniga dag, d&aring; halva Malm&ouml; dr&auml;nkts och hum&ouml;ret &auml;r p&aring; v&auml;g ner, rekommenderas drinken Black Hole:\n<\/p>\n<p>\n\t<strong>* Fyll halva cocktailglaset<\/strong> med svart sambuca<br \/>\n\t<strong>* Resten med <\/strong>Club soda och iskuber.\n<\/p>\n<p>\n\t<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/Romana_Black_Sambuca_Liqueur-e1409504372532.jpg\"><img decoding=\"async\" width=\"350\" height=\"454\" alt=\"Romana_Black_Sambuca_Liqueur\" class=\"aligncenter size-full wp-image-53267\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2014\/08\/Romana_Black_Sambuca_Liqueur-e1409504372532.jpg\" style=\"width: 309px; height: 399px;\" \/><\/a>\n<\/p>\n<p>\n\tSk&aring;l!\n<\/p>\n<p>\n\t&nbsp;\n<\/p>\n<p>\n\t&nbsp;\n<\/p>\n<p>\n\t&nbsp;\n<\/p>\n<p>\n\t&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&Auml;nnu en ny Mars-krater Mellan 2008 och 2012 har denna f&auml;rska Mars-krater kommit till ber&auml;ttar ny info fr&aring;n NASA. Bilden kommer fr&aring;n orbitern HiRISE och visar s&aring;ledes en n&auml;stan dagsf&auml;rsk krater med skarpa konturer och utkastad s&aring; kallad&nbsp; ejecta, som &auml;r m&ouml;rkare och mer bl&aring; &auml;n omgivande miljon&aring;r gamla stoftrika omr&aring;den. Kratern har kommit i&hellip;&nbsp;<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/2014\/08\/31\/nr-92-2014\/\" rel=\"bookmark\">L\u00e4s mer &raquo;<span class=\"screen-reader-text\">Nr 92 2014<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[3],"tags":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u00c4nnu en ny Mars-krater Mellan 2008 och 2012 har denna f\u00e4rska Mars-krater kommit till ber\u00e4ttar ny info fr\u00e5n NASA. 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Bilden kommer fr\u00e5n orbitern HiRISE och visar s\u00e5ledes en n\u00e4stan dagsf\u00e4rsk krater med skarpa konturer och utkastad s\u00e5 kallad ejecta, som \u00e4r m\u00f6rkare och mer bl\u00e5 \u00e4n omgivande miljon\u00e5r gamla stoftrika omr\u00e5den. Kratern har kommit i\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.astb.se\/cassiopeiabloggen\/2014\/08\/31\/nr-92-2014\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2014-08-31T17:08:37+02:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2014-09-01T19:41:59+02:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Nr 92 2014 - Cassiopeiabloggen\" \/>\n\t\t<meta name=\"twitter:description\" content=\"\u00c4nnu en ny Mars-krater Mellan 2008 och 2012 har denna f\u00e4rska Mars-krater kommit till ber\u00e4ttar ny info fr\u00e5n NASA. 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