{"id":86527,"date":"2020-12-04T04:35:30","date_gmt":"2020-12-04T03:35:30","guid":{"rendered":"http:\/\/www.astb.se\/cassiopeiabloggen\/?p=86527"},"modified":"2020-12-05T01:50:22","modified_gmt":"2020-12-05T00:50:22","slug":"nr-111-2020","status":"publish","type":"post","link":"https:\/\/www.astb.se\/cassiopeiabloggen\/2020\/12\/04\/nr-111-2020\/","title":{"rendered":"Nr 111 2020"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Positiv nyhet: Rickmans senaste opus p\u00e5 g\u00e5ng<\/h2>\n\n\n\n<p><strong>Hans Rickman<\/strong>, v\u00e5r pensionerade Uppsalaprofessor, rapporterar att han precis levererat allt material till sin popul\u00e4rvetenskapliga bok om &#8220;sm\u00e5krafset&#8221; i solsystemet.<\/p>\n\n\n\n<p>World&nbsp;Scientific&nbsp;Publishing&nbsp;ger ut boken,&nbsp;och&nbsp;f\u00f6rlaget&nbsp;vill&nbsp;nu  enligt  deras Editor&nbsp;in&nbsp;Chief&nbsp;marknadsf\u00f6ra&nbsp;den&nbsp;aktivt.&nbsp;<\/p>\n\n\n\n<p>Prelimin\u00e4r titel: <em>Small&nbsp;Bodies&nbsp;of&nbsp;the&nbsp;Solar&nbsp;System:&nbsp;A&nbsp;Guided&nbsp;Tour&nbsp;for&nbsp;Non-<br>Scientists.<\/em><\/p>\n\n\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/?attachment_id=86534\" rel=\"attachment wp-att-86534\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-86534\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/c_595568-l_3-k_hans.rickman200.jpg\" alt=\"\" width=\"200\" height=\"250\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/c_595568-l_3-k_hans.rickman200.jpg 200w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/c_595568-l_3-k_hans.rickman200-160x200.jpg 160w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/a><\/p>\n\n\n<p class=\"has-text-align-center\"><em>Hans Rickman. Bildk\u00e4lla: Uppsala universitet<\/em><\/p>\n\n\n\n<p>En svensk \u00f6vers\u00e4ttning kommer med stor sannolikhet men engelska \u00e4r inte ett fr\u00e4mmande spr\u00e5k f\u00f6r en allm\u00e4nintresserad svensk publik.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Negativ nyhet: Arecibo brakar ihop<\/h2>\n\n\n\n<p>Radioteleskopet i Arecibo faller itu i sina best\u00e5ndsdelar, visar denna dramatiska twittersekvens via Youtube fr\u00e5n 1 december:<\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"nv-iframe-embed\"><iframe title=\"Arecibo Observatory Collapse REAL FOOTAGE\" width=\"1200\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/DP0b5HsxRWU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p>Tack till <strong>Christian Vestergaard <\/strong>som fick korn p\u00e5 &#8220;katastroffilmen&#8221;.<\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"nv-iframe-embed\"><iframe title=\"Telescope Crashes Down at Arecibo Observatory in Puerto Rico\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/U8jxIvL9Qro?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"nv-iframe-embed\"><iframe title=\"Analyzing Video Footage Of Collapse of Massive Arecibo Telescope\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/59WQIRvezzI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Gaias tredje datasl\u00e4pp<\/h2>\n\n\n\n<p>Ig\u00e5r (3.12.20) sl\u00e4pptes Gaia-sondens tredje enorma datakatalog, omfattande 1,8 miljarder &#8220;sources&#8221; i Vintergatan, stj\u00e4rnor fr\u00e5n 6:e till 20:e magnituderna ing\u00e5r.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.cosmos.esa.int\/web\/gaia\/earlydr3\">Fakta h\u00e4r!<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Stingrockan konstrar<\/h2>\n\n\n\n<p>P\u00e5 tjugo \u00e5r har den planetariska nebulosan kallad Stingray\/Stingrockan (Hen 3-1357), minskat kraftigt i ljusstyrka, <a href=\"https:\/\/www.spacetelescope.org\/news\/heic2020\/?lang\">ber\u00e4ttas fr\u00e5n Hubble Space Telescope.<\/a><\/p>\n\n\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/?attachment_id=86539\" rel=\"attachment wp-att-86539\"><img decoding=\"async\" class=\"size-medium wp-image-86539 aligncenter\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/heic2020a-300x153.jpg\" alt=\"\" width=\"300\" height=\"153\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/heic2020a-300x153.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/heic2020a-200x102.jpg 200w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/heic2020a.jpg 700w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n\n\n<h2 class=\"wp-block-heading\">Betelgeuse allas favorit<\/h2>\n\n\n\n<p>Det var mycket upplysande att ta del av lundaastronomen, gamle MARS:ianen <strong>Nils Rydes<\/strong> ber\u00e4ttelse om sin och kollegernas senaste utforskning av Betelgeuse p\u00e5 ASTB-m\u00f6tet i torsdags kv\u00e4ll. Om n\u00e5got s\u00e5 bevisades vilken &#8220;popul\u00e4r&#8221; himlakropp Betelgeuse \u00e4r: Hon observeras med hj\u00e4lp av n\u00e5gra av v\u00e4rldens mest sofistikerade instrument optiskt och spektroskopiskt (SOFIA, Hubble m fl) ner till magnitudm\u00e4tningar med blotta \u00f6gat.<\/p>\n\n\n\n<p>Mest remarkabelt tyckte jag det var <a href=\"https:\/\/www.nasa.gov\/feature\/goddard\/2020\/nasa-satellite-s-lone-view-of-betelgeuse-reveals-more-strange-behavior\">n\u00e4r solteleskopet STEREO i somras fick in stj\u00e4rnan<\/a>, som ju ligger n\u00e4ra ekliptikan under v\u00e5r sommartid och d\u00e5 dr\u00e4nks av solljuset. Men STEREO kunde se stj\u00e4rnan, som nu verkar sjunka i ljusstyrka igen. S\u00e5 fort Orion kommer fram bakom mitt boende, ska jag b\u00f6rja f\u00f6lja variabiliteten igen &#8211; visuellt!<\/p>\n\n\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/?attachment_id=86544\" rel=\"attachment wp-att-86544\"><img decoding=\"async\" class=\"aligncenter size-medium wp-image-86544\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/NASA-STEREO-Spacecrafts-Lone-View-of-Betelgeuse-Reveals-More-Strange-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/NASA-STEREO-Spacecrafts-Lone-View-of-Betelgeuse-Reveals-More-Strange-300x300.jpg 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/NASA-STEREO-Spacecrafts-Lone-View-of-Betelgeuse-Reveals-More-Strange-150x150.jpg 150w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/NASA-STEREO-Spacecrafts-Lone-View-of-Betelgeuse-Reveals-More-Strange-768x768.jpg 768w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/NASA-STEREO-Spacecrafts-Lone-View-of-Betelgeuse-Reveals-More-Strange-200x200.jpg 200w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2020\/12\/NASA-STEREO-Spacecrafts-Lone-View-of-Betelgeuse-Reveals-More-Strange.jpg 777w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n\n\n<p class=\"has-text-align-center\"><em>Bildk\u00e4lla: NASA\/STEREO<\/em>\/<em>HI<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Positiv nyhet: Rickmans senaste opus p\u00e5 g\u00e5ng Hans Rickman, v\u00e5r pensionerade Uppsalaprofessor, rapporterar att han precis levererat allt material till sin popul\u00e4rvetenskapliga bok om &#8220;sm\u00e5krafset&#8221; i solsystemet. World&nbsp;Scientific&nbsp;Publishing&nbsp;ger ut boken,&nbsp;och&nbsp;f\u00f6rlaget&nbsp;vill&nbsp;nu enligt deras Editor&nbsp;in&nbsp;Chief&nbsp;marknadsf\u00f6ra&nbsp;den&nbsp;aktivt.&nbsp; Prelimin\u00e4r titel: Small&nbsp;Bodies&nbsp;of&nbsp;the&nbsp;Solar&nbsp;System:&nbsp;A&nbsp;Guided&nbsp;Tour&nbsp;for&nbsp;Non-Scientists. Hans Rickman. Bildk\u00e4lla: Uppsala universitet En svensk \u00f6vers\u00e4ttning kommer med stor sannolikhet men engelska \u00e4r inte ett fr\u00e4mmande spr\u00e5k&hellip;&nbsp;<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/2020\/12\/04\/nr-111-2020\/\" rel=\"bookmark\">L\u00e4s mer &raquo;<span class=\"screen-reader-text\">Nr 111 2020<\/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\/86527"}],"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=86527"}],"version-history":[{"count":19,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/86527\/revisions"}],"predecessor-version":[{"id":86549,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/86527\/revisions\/86549"}],"wp:attachment":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/media?parent=86527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/categories?post=86527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/tags?post=86527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}