{"id":22471,"date":"2011-10-23T18:13:10","date_gmt":"2011-10-23T17:13:10","guid":{"rendered":"http:\/\/www.astb.se\/cassiopeiabloggen\/?p=22471"},"modified":"2011-10-24T04:17:54","modified_gmt":"2011-10-24T03:17:54","slug":"nr-270-2011","status":"publish","type":"post","link":"https:\/\/www.astb.se\/cassiopeiabloggen\/2011\/10\/23\/nr-270-2011\/","title":{"rendered":"Nr 270 2011"},"content":{"rendered":"<h2>Europas GALILEO-system b\u00f6rjar komma p\u00e5 plats<\/h2>\n<p>Europas svar p\u00e5 GPS-systemet, det globala navigationssystemet GALILEO, tog ett avg\u00f6rande kliv mot sitt f\u00f6rverkligande 21 oktober.<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/21102011-_SCO3184_L_crop.jpg\"><img decoding=\"async\" class=\"alignleft size-medium wp-image-22473\" title=\"Soyozen lyfter emd europeiskt godis. Foto: ESA\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/21102011-_SCO3184_L_crop-300x189.jpg\" alt=\"\" width=\"300\" height=\"189\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/21102011-_SCO3184_L_crop-300x189.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/21102011-_SCO3184_L_crop.jpg 400w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"http:\/\/www.esa.int\/esaNA\/galileo.html\">Fr\u00e5n v\u00e5r europeiska rymdbas i Franska Guyana lyfte en rysk (!) Soyuz-raket<\/a> med\u00a0 tv\u00e5 satelliter ombord, som snyggt och prydligt efter n\u00e5gra timmar parkerades i bana runt jorden. 23 222 km ovan jord!<\/p>\n<p>EU m\u00e5 kr\u00e5ngla p\u00e5 jorden, men ovan d\u00e4r funkar v\u00e5rt europeiska samarbete utan st\u00f6rre mankemang. Och samarbetet med Ryssland \u00e4r avg\u00f6rande &#8211; detta var\u00a0 f\u00f6rsta g\u00e5ngen som Soyuz, en arbetsh\u00e4st som jobbat sen Sputniks och Yurij Gagarins tid, sk\u00f6ts upp utanf\u00f6r den ryska hemmabasen i Bajkunor. Soyuz ing\u00e5r nu i den europeiska raketflottan som en medelviktare &#8211; Ariane 5 lyfter de riktiga tunga grejorna, kommande Vega lyfter l\u00e4ttviktssatelliter,<\/p>\n<p>Fr\u00e5n Franska Guyana, n\u00e4ra ekvatorn,\u00a0 kan Soyuz ta med sig 3 ton upp till en geostation\u00e4r bana &#8211; fr\u00e5n Bajkunor \u00e4r maxviktens tak 1,7 ton.<\/p>\n<p>Nu ska GALILEO-satelliterna testas p\u00e5 allvar inf\u00f6r n\u00e4sta dubbelupps\u00e4ndning sommaren 2012, och sen kommer det att g\u00e5 undan. N\u00e4r systemet \u00e4r p\u00e5 plats omfattar det 30 satelliter, 27 plus 3 &#8220;reserver&#8221;, i tre geostation\u00e4ra banor.<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/Galileo_constellation_400x4002.jpg\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-22476\" title=\"Det eupeiska systemet p\u00e5 plats. Ill: ESA\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/Galileo_constellation_400x4002.jpg\" alt=\"\" width=\"400\" height=\"400\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/Galileo_constellation_400x4002.jpg 400w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/Galileo_constellation_400x4002-150x150.jpg 150w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/Galileo_constellation_400x4002-300x300.jpg 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<h2>ROSAT kraschade i morse &#8211; var?<\/h2>\n<p>Allt pekar p\u00e5 att det mesta av den tyska r\u00f6ntgenobserverande ROSAT-satelliten brann upp i atmosf\u00e4ren i morse. I skrivande stund (s\u00f6ndag kv\u00e4ll tidigt) finns fortfarande inga spektakul\u00e4ra bildbevis. I bloggosf\u00e4ren n\u00e4mns Indiska oceanen och Pakistan som t\u00e4nkbara m\u00e5ltavlor. Och m\u00e5nga har bevisligen blandat samma meteorer med ROSAT.<\/p>\n<p>Tyska tidningar, som borde vara f\u00f6rst med senaste nytt, har inget att ber\u00e4tta. Inte den\u00a0 tyska rymdfartsorganisationen DLR heller.<\/p>\n<h3><strong>PS m\u00e5ndag morgon 24.10<\/strong><\/h3>\n<p>Enligt spaceweather.com, som citerar en expert vid den amerikanska milit\u00e4ren, har re-entry:t skett \u00f6ver norra Thailand.\u00a0 Tid och koordinater: 23 oktober 2011 kl 01:56 UTC +\/- 09. Best-fit coordinates (21.33\u00b0N, 100.32\u00b0E).<\/p>\n<h2>En snygg Orionid i st\u00e4llet<\/h2>\n<p><strong>Christopher Brace<\/strong> heter fotografen bakom denna snygga, horisontella Orionid, fotad under ROSAT-jakten:<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/315641_281591441864045_100000395734395_891095_1483225410_n.jpg\"><img decoding=\"async\" width=\"960\" height=\"720\" class=\"aligncenter size-full wp-image-22494\" style=\"width: 466px; height: 350px;\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/315641_281591441864045_100000395734395_891095_1483225410_n.jpg\" alt=\"\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/315641_281591441864045_100000395734395_891095_1483225410_n.jpg 960w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/315641_281591441864045_100000395734395_891095_1483225410_n-300x225.jpg 300w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/a><\/p>\n<h2>\u00c4ven du min Vega!<\/h2>\n<p>Ljusa fina Vega omges ju av en gas- och stoftskiva, och den och dess omgivningar <a href=\"http:\/\/arxiv.org\/pdf\/1108.3698v2\">har ny ytterligare fingranskats.<\/a> med interferometerteknik. Det tycks som om h\u00e4r f\u00f6rsigg\u00e5r processer typ &#8220;late heavy bombardment&#8221; som \u00e4gde rum i v\u00e5rt eget planetsystem i dess f\u00f6rsta b\u00f6rjan n\u00e4r planeter bildades och kometer anf\u00f6ll en masse, Utstr\u00e5lningen i det s\u00e5 kallade &#8220;n\u00e4ra infrar\u00f6d.omr\u00e5det&#8221; skulle kunna f\u00f6rklaras med n\u00e4rvaron av en asteroid i 20 km-klassen.<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/P6048.jpg\"><img decoding=\"async\" width=\"600\" height=\"172\" class=\"aligncenter size-full wp-image-22483\" style=\"width: 554px; height: 165px;\" title=\"Ett moln av asteroider runt Vega! Ill: IBL Bildbyrp Ljungbyhed\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/P6048.jpg\" alt=\"\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/P6048.jpg 600w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/P6048-300x86.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>Id\u00e9n om att det observerade beror p\u00e5 en bin\u00e4r l\u00e5gmassestj\u00e4rna i systemet g\u00e5s igenom och underk\u00e4nns.<\/p>\n<p>Det internationella forskarlagets summering \u00e4r v\u00e4rd att citera:<\/p>\n<p><span style=\"text-decoration: underline;\">&#8220;Given the short lifetime of dust\u00a0 in the inner Vega system, a major dynamical event, similar to\u00a0 the solar system\u2019s late heavy bombardment, might be currently\u00a0 ongoing in the Vega system. This would support the idea that\u00a0 the debris disc around Vega is the only visible component of a\u00a0 more complex planetary system harbouring unknown planets.&#8221;<br \/>\n<\/span><\/p>\n<h2>JWST i Baltimore<\/h2>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/595278main_eads-226.jpg\"><img decoding=\"async\" class=\"alignleft size-full wp-image-22503\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/595278main_eads-226.jpg\" alt=\"\" width=\"226\" height=\"170\" \/><\/a>Baltimore \u00e4r en stad jag gillat sen jag l\u00e4ste <strong>H L Mencken<\/strong>, min absolute journalistguru. Han skrev ofta om sin hemstad i sina elaka och v\u00e4lformulerade ess\u00e4er, och jag har varit d\u00e4r ett par g\u00e5nger.<\/p>\n<p>Mencken noterade att New York i all \u00e4ra &#8211; han hade sitt kontor d\u00e4r i m\u00e5nga m\u00e5r &#8211; men det b\u00e4sta med New York var t\u00e5get hem till Baltimore. Det tog fyra timmar p\u00e5 den tiden, och han \u00e5kte fram och tillbaka dagligen.<\/p>\n<p>I dag har Baltimore bl a<a href=\"http:\/\/www.mdsci.org\/\"> ett f\u00f6rn\u00e4mligt vetenskapscenter i hamnen kallat Maryland Science Center<\/a> och d\u00e4r tronar i samband med en konferens nyligen en fullskalig modell av <span style=\"text-decoration: underline;\">The Jame Webb Space Telescope<\/span>.<\/p>\n<p><strong>* Vad vi \u00e4n s\u00e4ger om NASA <\/strong>s\u00e5 har ansvariga inte gett upp utan forts\u00e4tter kampen om teleskopets f\u00f6rverkligande,<\/p>\n<p><strong>* Det b\u00f6r v\u00e4l vara aktuellt<\/strong> med den viktiga omr\u00f6stningen snart i senat och kongressen (&#8220;The House&#8221;) om JWST:s framtid? Huset ville ge JWST 0 dollar, senaten 530 miljoner dollar.<\/p>\n<h2>Minnet av en banbrytare<\/h2>\n<p>P\u00e5 Norra kyrkog\u00e5rden i Stockholm ligger en legendarisk matematiker begraven &#8211; ryskf\u00f6dda <strong>Sofia &#8220;Sonja&#8221; Kovalevskaja <\/strong>(1850-1891). Sveriges f\u00f6rsta kvinnliga professor \u00f6ver huvud taget &#8211; v\u00e4rldens f\u00f6rsta kvinnliga matteprofessor.<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/6993-2a.jpg\"><img decoding=\"async\" class=\"aligncenter size-medium wp-image-22499\" title=\"Verklighetens Kovalevskaja...\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/6993-2a-246x300.jpg\" alt=\"\" width=\"246\" height=\"300\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/6993-2a-246x300.jpg 246w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/6993-2a.jpg 345w\" sizes=\"(max-width: 246px) 100vw, 246px\" \/><\/a><\/p>\n<p>Tar vi riktigt v\u00e4l vara p\u00e5 hennes legacy? Os\u00e4kert. \u00c4r det inte ganska typiskt att ett av Tysklands prestigestipendier inom matematik och naturvetenskap\u00a0 \u00e4r uppkallat efter henne?<\/p>\n<p><strong>Agneta Pleijel<\/strong> skrev manuset till den fina spelfilmen om Kovalevskaja, <em>Berget p\u00e5 m\u00e5nens baksida<\/em> (1984, <strong>Gunilla Nyroos <\/strong>i huvudrollen).<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/berget.jpg\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-22501\" title=\".. och filmens.\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/berget.jpg\" alt=\"\" width=\"202\" height=\"267\" \/><\/a><\/p>\n<p>P\u00e5 m\u00e5nens bortre sida d\u00f6ljer sig Kovalevskaja-kratern, en nedslagskrater 115 km i diameter.<\/p>\n<p>Till Kovalevskajas postuma heder m\u00e5ste s\u00e4gas att hon drog p\u00e5 sig <strong>August Strindbergs<\/strong> vrede. N\u00e4r denne var som mest galen under striden i den s\u00e5 kallade kvinnofr\u00e5gan, s\u00e5g han Kovalevskaja som en huvudfiende. Hennes matematik var ett fuskigt hafsverk, och hennes sk\u00f6nlitter\u00e4ra bedrifter under all kritik. Enigt sanningsvittnet &#8220;\u00c5gyst&#8221;,<\/p>\n<h2>Nu tar vi en paus<\/h2>\n<p>V\u00e4rdel\u00f6st vetande till allra sist. Visste du att Blixt Gordon p\u00e5 danska blir Jens Lyn?<\/p>\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/to_be_continued_1930s_cvr.jpg\"><img decoding=\"async\" class=\"aligncenter size-medium wp-image-22506\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/to_be_continued_1930s_cvr-300x238.jpg\" alt=\"\" width=\"300\" height=\"238\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/to_be_continued_1930s_cvr-300x238.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2011\/10\/to_be_continued_1930s_cvr.jpg 489w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Vi \u00e5ker utomlands en dag eller tv\u00e5 men r\u00e4knar med att vara ig\u00e5ng med\u00a0 W-bloggen igen tisdag-onsdag. S\u00e5 h\u00e5ll ut!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Europas GALILEO-system b\u00f6rjar komma p\u00e5 plats Europas svar p\u00e5 GPS-systemet, det globala navigationssystemet GALILEO, tog ett avg\u00f6rande kliv mot sitt f\u00f6rverkligande 21 oktober. Fr\u00e5n v\u00e5r europeiska rymdbas i Franska Guyana lyfte en rysk (!) Soyuz-raket med\u00a0 tv\u00e5 satelliter ombord, som snyggt och prydligt efter n\u00e5gra timmar parkerades i bana runt jorden. 23 222 km ovan&hellip;&nbsp;<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/2011\/10\/23\/nr-270-2011\/\" rel=\"bookmark\">L\u00e4s mer &raquo;<span class=\"screen-reader-text\">Nr 270 2011<\/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=\"Europas GALILEO-system b\u00f6rjar komma p\u00e5 plats Europas svar p\u00e5 GPS-systemet, det globala navigationssystemet GALILEO, tog ett avg\u00f6rande kliv mot sitt f\u00f6rverkligande 21 oktober. 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