{"id":89134,"date":"2021-11-30T18:03:58","date_gmt":"2021-11-30T17:03:58","guid":{"rendered":"http:\/\/www.astb.se\/cassiopeiabloggen\/?p=89134"},"modified":"2021-11-30T18:04:06","modified_gmt":"2021-11-30T17:04:06","slug":"nr-81-2021","status":"publish","type":"post","link":"https:\/\/www.astb.se\/cassiopeiabloggen\/2021\/11\/30\/nr-81-2021\/","title":{"rendered":"Nr 81 2021"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Tora p\u00e5 plats p\u00e5 Sydpolen<\/h2>\n\n\n\n<p>Inf\u00f6r l\u00f6rdagens (4.12) totala solf\u00f6rm\u00f6rkelse, synlig \u00f6ver Sydpolen, \u00e4r naturligtvis ASTB:s f\u00f6rm\u00f6rkelsej\u00e4gare <strong>Tora Greve &amp; Co <\/strong>p\u00e5 plats. Hon <a href=\"https:\/\/torasol.se\/att-resa-under-covid19\/\">rapporterar h\u00e4r<\/a> om resans alla coronaaber.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/media.torasol.se\/2021\/11\/Magellanmonument.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><em>Foto fr\u00e5n Magellan-monumentet i Chile.<\/em><\/p>\n\n\n\n<p>V\u00e5r allra meste f\u00f6rm\u00f6rkelsej\u00e4gare <strong>Erik Johansson<\/strong> h\u00e5ller sig hemma efter sviterna av en lunginflammation. God b\u00e4ttring \u00f6nskas!<\/p>\n\n\n\n<p>Allm\u00e4nt tittips: Den som letar p\u00e5 n\u00e4tet kan s\u00e4kert hitta sajter d\u00e4r f\u00f6rm\u00f6rkelsen s\u00e4nds live p\u00e5 l\u00f6rdag.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Unikt amat\u00f6robsis i norr<\/h2>\n\n\n\n<p>Tack till <strong>\u00c5ke Nyholm<\/strong> som tipsar om ett SVT-inslag om<strong> Ulf Jonsson<\/strong> och hans lilla men <a href=\"https:\/\/www.svt.se\/nyheter\/lokalt\/norrbotten\/drommen-som-gick-i-uppfyllelse\">naggande goda obsis<\/a> i Guss\u00f6 norr om Lule\u00e5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ny rekordh\u00e5llare i svarta h\u00e5l-genren<\/h2>\n\n\n\n<p>Med hj\u00e4lp av Europeiska sydobservatoriets Very Large Telescope (ESO:s VLT) har astronomer avsl\u00f6jat det n\u00e4rmaste dubbla supermassiva svarta h\u00e5let som har observerats. De tv\u00e5 objekten ligger ocks\u00e5 mycket n\u00e4rmare varandra \u00e4n n\u00e5got annat objekt av sitt slag, och kommer s\u00e5 sm\u00e5ningom att sm\u00e4lta samman.<\/p>\n\n\n\n<p>De supermassiva svarta h\u00e5len \u00e4r bel\u00e4gna p\u00e5 89 miljoner ljus\u00e5rs avst\u00e5nd i spiralgalaxen NGC 7727 i stj\u00e4rnbilden Vattumannen. Det kan verka avl\u00e4gset men det \u00e4r l\u00e5ngt mycket n\u00e4rmare \u00e4n den tidigare rekordh\u00e5llaren p\u00e5 470 miljoner ljus\u00e5rs avst\u00e5nd.<\/p>\n\n\n\n<p>Objekt av detta slag g\u00f6mmer sig i massiva galaxers centrala delar. N\u00e4r tv\u00e5 galaxer kolliderar kan de svarta h\u00e5len i galaxernas centra hamna p\u00e5 kollisionskurs med varandra. Paret i NGC 7727 \u00e4r de tv\u00e5 som ligger n\u00e4rmast varandra som hittills observerats &#8211; deras inb\u00f6rdes avst\u00e5nd \u00e4r bara 1600 ljus\u00e5r.<\/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=\"Journey to the closest pair of supermassive black holes\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/yAqY6jDXRr4?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>Hela pressmesst fr\u00e5n ESO <a href=\"https:\/\/www.eso.org\/public\/sweden\/news\/eso2117\/?lang\">\u00e5terfinns h\u00e4r.<\/a><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">67P i fokus igen<\/h2>\n\n\n\n<p>Comet 67P\/Churyumov-Gerasimenko har b\u00f6rjat r\u00f6ra p\u00e5 sig igen. En &#8220;apparent outburst&#8221; <a href=\"https:\/\/www.astronomerstelegram.org\/?read=15053\">har iakttagits.<\/a><\/p>\n\n\n\n<p>Kometen \u00e4r f\u00f6rst\u00e5s densamma 67P som Rosetta-sonden kom i n\u00e4rheten av och dessutom 2014 satte ner kometlandaren Philae p\u00e5. <\/p>\n\n\n\n<p>67P har f\u00f6rvandlats till en \u00e4kta finkulturell entitet. Poeten <strong>Niklas T\u00f6rnlund <\/strong>skriver om den &#8220;sjungande kometen&#8221; i sin senaste diktbok <em>Ad lib. <\/em>Rekommenderas!<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vilken tur!<\/h2>\n\n\n\n<p>Tack till den astronomiske sakletaren<strong> Lars Olefeldt<\/strong>, som hittat denna godbit p\u00e5 n\u00e4tet. Se s\u00e5 n\u00e4ra det var att asteroiden kraschade rakt p\u00e5 bes\u00f6kscentrat i Arizona!<\/p>\n\n\n<p><a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/?attachment_id=89145\" rel=\"attachment wp-att-89145\"><img decoding=\"async\" class=\"aligncenter size-medium wp-image-89145\" src=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2021\/11\/oyl011luk2m41-300x229.png\" alt=\"\" width=\"300\" height=\"229\" srcset=\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2021\/11\/oyl011luk2m41-300x229.png 300w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2021\/11\/oyl011luk2m41-200x153.png 200w, https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2021\/11\/oyl011luk2m41.png 496w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Tora p\u00e5 plats p\u00e5 Sydpolen Inf\u00f6r l\u00f6rdagens (4.12) totala solf\u00f6rm\u00f6rkelse, synlig \u00f6ver Sydpolen, \u00e4r naturligtvis ASTB:s f\u00f6rm\u00f6rkelsej\u00e4gare Tora Greve &amp; Co p\u00e5 plats. Hon rapporterar h\u00e4r om resans alla coronaaber. Foto fr\u00e5n Magellan-monumentet i Chile. V\u00e5r allra meste f\u00f6rm\u00f6rkelsej\u00e4gare Erik Johansson h\u00e5ller sig hemma efter sviterna av en lunginflammation. God b\u00e4ttring \u00f6nskas! Allm\u00e4nt tittips: Den&hellip;&nbsp;<a href=\"https:\/\/www.astb.se\/cassiopeiabloggen\/2021\/11\/30\/nr-81-2021\/\" rel=\"bookmark\">L\u00e4s mer &raquo;<span class=\"screen-reader-text\">Nr 81 2021<\/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\/89134"}],"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=89134"}],"version-history":[{"count":17,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/89134\/revisions"}],"predecessor-version":[{"id":89158,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/89134\/revisions\/89158"}],"wp:attachment":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/media?parent=89134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/categories?post=89134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/tags?post=89134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}