{"id":38366,"date":"2013-01-18T12:09:04","date_gmt":"2013-01-18T11:09:04","guid":{"rendered":"http:\/\/www.astb.se\/cassiopeiabloggen\/?p=38366"},"modified":"2013-01-18T16:37:20","modified_gmt":"2013-01-18T15:37:20","slug":"nr-7-2013","status":"publish","type":"post","link":"https:\/\/www.astb.se\/cassiopeiabloggen\/2013\/01\/18\/nr-7-2013\/","title":{"rendered":"Nr 7 2013"},"content":{"rendered":"<h2>Astronomen Curt Roslund d&ouml;d<\/h2>\n<p>Astronomen <strong>Curt Roslund<\/strong> har avlidit, 82 &aring;r gammal. Roslund var i m&aring;nga &aring;r sjuk i Parkinson.<\/p>\n<p>Roslund (f 1930) var lundensaren som flyttade till G&ouml;teborg &#8211; till Chalmers och G&ouml;teborgs universitet -, d&auml;r han reformerade astronomiundervisningen genom att via orienteringskurser vidga studentunderlaget utanf&ouml;r de redan astronomi&ouml;vertygades krets. Det arvet lever vidare.<\/p>\n<p>Roslund var medlem i v&aring;r systerf&ouml;rening GAK men p g a sjukdomen deltog han s&auml;llan i verksamheten. F&ouml;r oss inom Tycho Brahe-s&auml;llskapet agerade han arkeoastronomisk &quot;gajd&quot; 1999 vid Ales stenar, ett av hans &#8211; inte okontroversiella &#8211; favoritobjekt. Bilderna nedan &auml;r fr&aring;n detta tillf&auml;lle:<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Roslund-utan-ufo.jpg\"><img decoding=\"async\" alt=\"\" class=\"aligncenter size-medium wp-image-38410\" height=\"201\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Roslund-utan-ufo-300x201.jpg\" title=\"Roslund guidar vid Ales stenar. Foto: Bj\u00f6rn Stenholm\" width=\"300\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Roslund-utan-ufo-300x201.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Roslund-utan-ufo.jpg 892w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Och h&auml;r har han p&aring;passligt nog f&aring;tt syn p&aring; ett ufo &ouml;ver Ales stenar ocks&aring;:<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Roslund-+-ufo5.jpg\"><img decoding=\"async\" alt=\"\" class=\"aligncenter size-medium wp-image-38411\" height=\"201\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Roslund-+-ufo5-300x201.jpg\" title=\"P\u00e5 spaning vid Ales stenar. Foto: Bj\u00f6rn Stenholm\" width=\"300\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Roslund-+-ufo5-300x201.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Roslund-+-ufo5.jpg 883w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Roslund skrev kritiskt om UFO:s och astrologi, dessa &auml;mnen liksom etnoastronomi analyserade han &auml;ven i <em>Nationalencyklopedin.<\/em><\/p>\n<p>Roslund portr&auml;tterades i det f&ouml;rsta historiska numret av <em>Popul&auml;r Astronomi<\/em> 2001. Denna artikel av <strong>Bj&ouml;rn &quot;Ursus&quot; Stenholm<\/strong>, ber&auml;ttar <strong>Robert Cumming<\/strong>, <a href=\"http:\/\/www.popast.nu\/arkiv\/nummer-3-september-2001\">g&aring;r att ladda ner h&auml;r<\/a> &#8211; Bj&ouml;rn, f&ouml;rresten, som hade Roslund som sin f&ouml;rste astronomil&auml;rare under h&ouml;stterminen p&aring; Lunds obsis i mitten av 1960-talet.<\/p>\n<p>Curt Roslund erh&ouml;ll 1992 G&ouml;teborgs universitets pedagogiska pris.<\/p>\n<p>2007 gav Roslund&nbsp; ut sj&auml;lvbiografin <em>Av lysande stj&auml;rnstoft &auml;r jag kommen<\/em>, som W-bloggen inte har l&auml;st men g&auml;rna vill&nbsp; l&auml;sa.<\/p>\n<h2>Sp&auml;nnande asteroidockultation 4 februari<\/h2>\n<p>Larmet g&aring;r! S&aring; tack till <strong>Bj&ouml;rn M&aring;nsdahl<\/strong>, som tipsar den amat&ouml;rastronomiska communityn&nbsp; om den h&ouml;gintressanta f&ouml;rest&aring;ende ockultationen 4 februari d&auml;r asteroiden<u> (87) Sylvia<\/u> ockulterar stj&auml;rnan <u>2UCAC 41500286<\/u>.<\/p>\n<p>&#8211; Stj&auml;rnan &auml;r ju relativt ljussvag, men h&auml;ndelsen &auml;r&nbsp; intressant f&ouml;r asteroidens tv&aring; m&aring;nar.<\/p>\n<p>&#8211; Den diskuteras just nu p&aring; bland annat p&aring;<em> Astronet,<\/em> har precis lagt ut en bl&auml;nkare p&aring; <em>Astronomiguiden<\/em> ocks&aring;.<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/eso0526b.jpg\"><img decoding=\"async\" alt=\"\" class=\"aligncenter size-large wp-image-38414\" height=\"337\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/eso0526b-1024x768.jpg\" title=\"Rymdkonstn\u00e4rens syn p\u00e5 Sylvia och asteroidm\u00e5narna Romulus och Remus. Ill: ESO\" width=\"450\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/eso0526b-1024x768.jpg 1024w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/eso0526b-300x225.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/eso0526b.jpg 1280w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Vi ska &aring;terkomma till denna spektakul&auml;ra begivenhet, som &auml;ger rum p&aring; bekv&auml;m kv&auml;llstid och som l&auml;tt b&ouml;r kunna observeras via v&aring;ra TBO-teleskop. Det enda kruxet &auml;r &#8211; v&auml;dret&#8230;<\/p>\n<p>Minimikrav f&ouml;r en lyckad ockultationobservation &auml;r en 8-tumsreflektor.<\/p>\n<div>Astronet-infot finns h&auml;r:<\/div>\n<div>&nbsp;<\/div>\n<div><a href=\"https:\/\/webmail.telia.com\/cp\/ps\/Mail\/ExternalURLProxy?d=pne.telia.com&amp;u=u48702769&amp;url=http:\/\/www.astronet.se\/phpBB3\/viewtopic.php::cp::2915::cp::t::cp::61::cp::7017&amp;urlHash=-3.21018282766488E-19\" target=\"_BLANK\">http:\/\/www.astronet.se\/phpBB3\/viewtopic.php?t=7017<\/a><\/div>\n<div>&nbsp;<\/div>\n<div>Det &auml;r som uppgjort f&ouml;r en observationskampanj a l a Roma.<\/div>\n<h2>Och vad h&auml;nder om en asteroid krockar med jorden?<\/h2>\n<div>Rekommenderar <a href=\"http:\/\/www.popast.nu\/\">dagens pangnyhet p&aring; popast.nu<\/a>, <strong>Robert Cummings<\/strong> uppf&ouml;ljare och intervju med Uppsala-professorn&nbsp; <strong>Hans Rickman<\/strong>.<\/div>\n<h2>Svarta h&aring;l <a>i Vintergatans klothopar <br \/>\n\t<\/a><\/h2>\n<p>Forskare trodde sig i en rapport i h&ouml;stas ha identifierat <a href=\"http:\/\/arxiv.org\/abs\/1210.0901\">tv&aring; svarta h&aring;l i det centrala partiet av&nbsp; M22<\/a>, en v&auml;lk&auml;nd klotformig stj&auml;rnhop (&quot;klothop&quot;) i Vintergatan, Massorna anses ligga p&aring; 10-20 ggr solens och de svarta h&aring;len skapar som b&auml;st ackretionsdiskar. De syns i radiospektrumet men &auml;r f&ouml;rv&aring;nansv&auml;rt osynliga som r&ouml;ntgenk&auml;llor. Varf&ouml;r det?<\/p>\n<p>De teoretiska modellerna s&auml;ger dessutom att svarta h&aring;l av rent dynamiska krafter sl&auml;ngs ut fr&aring;n klothoparnas mittar, men teori och praktik (= observerad verklighet) st&auml;mmer s&auml;llan. Det &auml;r ju det som g&ouml;r astrofysik till ett s&aring; sp&auml;nnande &auml;mne.<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/bhsinm22.jpg\"><img decoding=\"async\" width=\"567\" height=\"414\" alt=\"\" class=\"aligncenter size-full wp-image-38370\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/bhsinm22.jpg\" style=\"width: 472px; height: 345px;\" title=\"Foto: Doug Matthews\/Adam  Block\/NOAO\/AURA\/NSF.)\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/bhsinm22.jpg 567w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/bhsinm22-300x219.jpg 300w\" sizes=\"(max-width: 567px) 100vw, 567px\" \/><\/a><\/p>\n<p>M22 tros totalt inneh&aring;lla 5-100 svarta h&aring;l.<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/m22_hst_341px.jpg\"><img decoding=\"async\" alt=\"\" class=\"aligncenter size-full wp-image-38371\" height=\"240\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/m22_hst_341px.jpg\" title=\"Mittdelen av M22 i optiskt ljus. Foto: HST\" width=\"341\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/m22_hst_341px.jpg 341w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/m22_hst_341px-300x211.jpg 300w\" sizes=\"(max-width: 341px) 100vw, 341px\" \/><\/a><\/p>\n<p>Som vi skrev f&ouml;rr i veckopressen:<\/p>\n<p>&quot;Forts. f&ouml;ljer&quot;.<\/p>\n<h2>Patrick Moore-medaljen<\/h2>\n<p>Britternas RAS som i <u>Royal Astronomical Society<\/u> delar&nbsp; rnumera ut en <strong>Patrick Moore<\/strong>-medalj till en duktig pedagog inom skolan. &Aring;rets pristagare &auml;r <strong>Bernie Todd<\/strong>, knuten till King Edward High School for Girls i Birmingham.<\/p>\n<p>Todd har jobbat som fysikl&auml;rare i tjugo &aring;r och ins&aring;g tidig astronomins nytta f&ouml;r att sp&auml; p&aring; ungdomarnas intresse f&ouml;r naturvetenskap. Han beskrivs av kolleger som &quot;unfailingly enthusiastic and tireless in his teaching&quot;.<\/p>\n<h2>Feynmans flygande tefats-nej<\/h2>\n<p><strong>Richard Feynman<\/strong> var en av mina favoriter inom fysiken, nobelpristagare f&ouml;rst&aring;s, en duktig trumslagare p&aring; fritiden, och han skrev en rad underh&aring;llande b&ouml;cker fr&aring;n sitt liv &#8211; fr&aring;n atombombsprojektet i Los Alamos p&aring; 40-talet till utredningen av den f&ouml;rsta rymdf&auml;rjekatastrofen, d&aring; han live i tv visade vad den d&auml;r olycksaliga O-ringen utsatts f&ouml;r p&aring; Challenger. Pedagogik p&aring; h&ouml;gsta niv&aring;!,<\/p>\n<p>Nu har <strong>Lars Olefeldt<\/strong> hittat en underh&aring;llande filmsnutt d&auml;r Feynman f&ouml;rklarar varf&ouml;r han INTE tror p&aring; flygande tefat. Feynman hade pl&aring;gats av fr&aring;gan om han kunde motbevisa att tefaten inte fanns, och han summerar sin erfarenhet (1964) s&aring; h&auml;r:<\/p>\n<p><u>&quot;From my knowledge of the world that I see around me, I think that it is much more likely that the reports of flying saucers are the results of the known irrational characteristics of terrestrial intelligence rather than the unknown rational characteristics of extra-terrestrial intelligence.&quot;<\/u><\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/220px-Richard_Feynman_-_Fermilab.jpg\"><img decoding=\"async\" alt=\"\" class=\"aligncenter size-full wp-image-38391\" height=\"288\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/220px-Richard_Feynman_-_Fermilab.jpg\" title=\"Richard Feynman. Foto: Fermilab\" width=\"220\" \/><\/a><\/p>\n<p>H&auml;r finns filmsnutten:<font face=\"Arial\" size=\"2\"><a href=\"https:\/\/webmail.telia.com\/cp\/ps\/Mail\/ExternalURLProxy?d=pne.telia.com&amp;u=u48702769&amp;url=http:\/\/www.dump.com\/flyingsaucers\/&amp;urlHash=3.144373456851565E251\" target=\"_BLANK\"><span style=\"font-weight: bold;\"> <\/span><\/a><\/font><\/p>\n<p><font face=\"Arial\" size=\"2\"><a href=\"https:\/\/webmail.telia.com\/cp\/ps\/Mail\/ExternalURLProxy?d=pne.telia.com&amp;u=u48702769&amp;url=http:\/\/www.dump.com\/flyingsaucers\/&amp;urlHash=3.144373456851565E251\" target=\"_BLANK\">http:\/\/www.dump.com\/flyingsaucers\/<\/a><\/font><\/p>\n<h2>Ronny H&aring;rd st&auml;ller ut<\/h2>\n<p>Konstn&auml;ren <strong>Ronny H&aring;rd <\/strong>g&auml;star just nu <u>Galleri R&ouml;nnquist &amp; R&ouml;nnquist<\/u> i Malm&ouml;, p&aring; deras nya adress Generalsgatan 2.<\/p>\n<p>I sina oljor skildrar Ronny ofta landskap och ljusskiftningar a la <strong>Turner<\/strong> som ligger kloss med &quot;den jordn&auml;ra astronomin&quot;.<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Magisk-natt2-1024x722.jpg\"><img decoding=\"async\" alt=\"\" class=\"aligncenter size-medium wp-image-38408\" height=\"211\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Magisk-natt2-1024x722-300x211.jpg\" title=\"Magisk natt. Ill: Ronny H\u00e5rd\" width=\"300\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Magisk-natt2-1024x722-300x211.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/Magisk-natt2-1024x722.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<h2>Varning!<\/h2>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/orbit2.jpg\"><img decoding=\"async\" width=\"300\" height=\"225\" alt=\"\" class=\"aligncenter size-medium wp-image-38374\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/orbit2-300x225.jpg\" style=\"width: 375px; height: 281px;\" title=\"\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/orbit2-300x225.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2013\/01\/orbit2.jpg 500w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>(Upphittare; <strong>Lars Olefeldt<\/strong>.)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Astronomen Curt Roslund d&ouml;d Astronomen Curt Roslund har avlidit, 82 &aring;r gammal. Roslund var i m&aring;nga &aring;r sjuk i Parkinson. Roslund (f 1930) var lundensaren som flyttade till G&ouml;teborg &#8211; till Chalmers och G&ouml;teborgs universitet -, d&auml;r han reformerade astronomiundervisningen genom att via orienteringskurser vidga studentunderlaget utanf&ouml;r de redan astronomi&ouml;vertygades krets. Det arvet lever vidare.&hellip;&nbsp;<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/2013\/01\/18\/nr-7-2013\/\" rel=\"bookmark\">L\u00e4s mer &raquo;<span class=\"screen-reader-text\">Nr 7 2013<\/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":[],"_links":{"self":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/38366"}],"collection":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/comments?post=38366"}],"version-history":[{"count":41,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/38366\/revisions"}],"predecessor-version":[{"id":38426,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/38366\/revisions\/38426"}],"wp:attachment":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/media?parent=38366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/categories?post=38366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/tags?post=38366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}