{"id":15107,"date":"2022-09-28T23:50:09","date_gmt":"2022-09-28T23:50:09","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15107"},"modified":"2022-09-28T23:50:09","modified_gmt":"2022-09-28T23:50:09","slug":"best-space-photos-of-the-week-black-holes-auroras-volcanoes-and-more","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/astrophysics\/best-space-photos-of-the-week-black-holes-auroras-volcanoes-and-more\/","title":{"rendered":"Nejlep\u0161\u00ed vesm\u00edrn\u00e9 fotografie t\u00fddne"},"content":{"rendered":"

Nejlep\u0161\u00ed vesm\u00edrn\u00e9 fotografie t\u00fddne<\/h2>\n\n

\u010cern\u00e9 d\u00edry foukaj\u00ed<\/h2>\n\n

\u010cern\u00e9 d\u00edry jsou \u010dasto zobrazov\u00e1ny jako kosmick\u00e9 vysava\u010de, kter\u00e9 pohlcuj\u00ed v\u0161e, co jim p\u0159ijde do cesty. V\u011bdci v\u0161ak zjistili, \u017ee ve skute\u010dnosti \u017eerou pom\u011brn\u011b ne\u010dist\u011b. Kdy\u017e se \u010dern\u00e9 d\u00edry \u017eiv\u00ed, vyvrhuj\u00ed \u010d\u00e1st padaj\u00edc\u00ed hmoty pomoc\u00ed siln\u00fdch v\u011btr\u016f z\u00e1\u0159en\u00ed.<\/p>\n\n

Tyto v\u011btry mohou m\u00edt dalekos\u00e1hl\u00e9 \u00fa\u010dinky. V\u011bt\u0161ina vyzr\u00e1l\u00fdch galaxi\u00ed ukr\u00fdv\u00e1 ve sv\u00e9m j\u00e1dru supermasivn\u00ed \u010dern\u00e9 d\u00edry. Ned\u00e1vn\u00e1 studie vyu\u017e\u00edvaj\u00edc\u00ed dva rentgenov\u00e9 teleskopy zjistila, \u017ee v\u011btry z jedn\u00e9 mimo\u0159\u00e1dn\u011b jasn\u00e9 galaxie s aktivn\u00ed \u010dernou d\u00edrou nazvanou PDS 456 foukaj\u00ed nap\u0159\u00ed\u010d v\u011bt\u0161inou galaxie. To nazna\u010duje, \u017ee v\u011btry mohou vytla\u010dovat plyny pot\u0159ebn\u00e9 ke vzniku nov\u00fdch hv\u011bzd a potenci\u00e1ln\u011b tak regulovat r\u016fst hostitelsk\u00e9 galaxie.<\/p>\n\n

Pol\u00e1rn\u00ed z\u00e1\u0159e nad Montanou<\/h2>\n\n
    \n
  1. \u00fanora se nebe nad severn\u00ed Montanou rozz\u00e1\u0159ilo velkolepou pol\u00e1rn\u00ed z\u00e1\u0159\u00ed. \u00dakaz byl viditeln\u00fd dokonce i za pol\u00e1rn\u00edm kruhem. Zem\u011b proch\u00e1zela proudem slune\u010dn\u00edch \u010d\u00e1stic, kter\u00e9 se srazily s molekulami vzduchu v na\u0161\u00ed atmosf\u00e9\u0159e a vytvo\u0159ily tak z\u00e1\u0159ivou sv\u011btelnou show.<\/li>\n<\/ol>\n\n

    Hlavn\u00ed p\u0159edstaven\u00ed se pravd\u011bpodobn\u011b odehr\u00e1valo nad Kanadou, kde by pozorovatel\u00e9 mohli sledovat b\u011b\u017en\u011bj\u0161\u00ed zelen\u00e9 sv\u011bteln\u00e9 p\u00e1sy vytv\u00e1\u0159en\u00e9 slune\u010dn\u00edmi \u010d\u00e1sticemi nar\u00e1\u017eej\u00edc\u00edmi na molekuly kysl\u00edku n\u00ed\u017ee v atmosf\u00e9\u0159e. Z v\u011bt\u0161\u00ed vzd\u00e1lenosti v Montan\u011b v\u0161ak mohli pozorovatel\u00e9 spat\u0159it z\u00e1\u0159iv\u011b \u010derven\u00e9 barvy pol\u00e1rn\u00ed z\u00e1\u0159e mnohem v\u00fd\u0161e na obloze.<\/p>\n\n

    Zmrzl\u00e1 sopka<\/h2>\n\n
      \n
    1. \u00fanora o\u017eila poprv\u00e9 po sedmi letech sopka na Kurilsk\u00fdch ostrovech. Sopka \u010cikura\u010di chrlila sloupy popela vysok\u00e9 a\u017e 25 000 stop, kter\u00e9 nesl v\u00edtr sm\u011brem na z\u00e1pad nad zasn\u011b\u017eenou krajinou. P\u0159esto\u017ee jsou Kurilsk\u00e9 ostrovy ohniskem vulkanick\u00e9 \u010dinnosti, jsou obydlen\u00e9 a staly se centrem 60 let trvaj\u00edc\u00edho \u00fazemn\u00edho sporu mezi Japonskem a Ruskem.<\/li>\n<\/ol>\n\n

      Svit\u00e1n\u00ed se bl\u00ed\u017e\u00ed<\/h2>\n\n

      Ceres je jedinou ofici\u00e1ln\u00ed trpasli\u010d\u00ed planetou, kter\u00e1 s\u00eddl\u00ed v hlavn\u00edm p\u00e1su asteroid\u016f mezi Marsem a Jupiterem. Od z\u00e1\u0159\u00ed 2014 se kosmick\u00e1 sonda Dawn agentury NASA bl\u00ed\u017e\u00ed k tomuto mal\u00e9mu c\u00edli a nyn\u00ed poskytuje je\u0161t\u011b lep\u0161\u00ed sn\u00edmky ne\u017e Hubble\u016fv vesm\u00edrn\u00fd teleskop.<\/p>\n\n

      Ned\u00e1vn\u00e9 sn\u00edmky po\u0159\u00edzen\u00e9 12. \u00fanora ukazuj\u00ed dv\u011b strany Ceres, jak se objekt ot\u00e1\u010d\u00ed, a odhaluj\u00ed kr\u00e1tery a rozptyl jasn\u00fdch skvrn, kter\u00e9 astronomy znepokojuj\u00ed. O\u010dek\u00e1v\u00e1 se, \u017ee Dawn za\u010dne ob\u00edhat Ceres 6. b\u0159ezna a jej\u00ed detailn\u00ed sn\u00edmky snad z\u00e1hadu objasn\u00ed.<\/p>\n\n

      Temn\u00e9 splynut\u00ed<\/h2>\n\n

      Temn\u00e1 hmota, neviditeln\u00e1 a z\u00e1hadn\u00e1 substance, hraje z\u0159ejm\u011b z\u00e1sadn\u00ed roli v r\u016fstu supermasivn\u00edch \u010dern\u00fdch d\u011br. Galaxie maj\u00ed ve sv\u00e9m st\u0159edu supermasivn\u00ed \u010dern\u00e9 d\u00edry a astronomov\u00e9 se dlouho domn\u00edvali, \u017ee velikost \u010dern\u00e9 d\u00edry mus\u00ed souviset s po\u010dtem hv\u011bzd v galaxii.<\/p>\n\n

      Galaxie jsou v\u0161ak tak\u00e9 pono\u0159eny do hal temn\u00e9 hmoty, kter\u00e1 p\u0159evy\u0161uje ve\u0161kerou jejich viditelnou hmotu. Ned\u00e1vn\u00e1 studie zjistila \u00fazkou souvislost mezi hmotnost\u00ed supermasivn\u00edch \u010dern\u00fdch d\u011br a hmotnost\u00ed jejich hal temn\u00e9 hmoty u 3 000 eliptick\u00fdch galaxi\u00ed. To nazna\u010duje, \u017ee velikost \u010dern\u00fdch d\u011br \u0159\u00edd\u00ed temn\u00e1 hmota, nikoliv sv\u011btlo.<\/p>\n\n

      Tento vztah m\u016f\u017ee souviset se zp\u016fsobem, jak\u00fdm vznikaj\u00ed eliptick\u00e9 galaxie \u2013 splynut\u00edm dvou men\u0161\u00edch galaxi\u00ed. Kdy\u017e se dv\u011b galaxie spoj\u00ed v jednu, halo temn\u00e9 hmoty roste a vytv\u00e1\u0159\u00ed \u201egravita\u010dn\u00ed pl\u00e1n\u201c pro celou galaxii, kter\u00fd n\u011bjak\u00fdm zp\u016fsobem spust\u00ed zv\u011bt\u0161ov\u00e1n\u00ed \u010dern\u00e9 d\u00edry.<\/p>","protected":false},"excerpt":{"rendered":"

      Nejlep\u0161\u00ed vesm\u00edrn\u00e9 fotografie t\u00fddne \u010cern\u00e9 d\u00edry foukaj\u00ed \u010cern\u00e9 d\u00edry jsou \u010dasto zobrazov\u00e1ny jako kosmick\u00e9 vysava\u010de, kter\u00e9 pohlcuj\u00ed v\u0161e, co jim p\u0159ijde do cesty. V\u011bdci v\u0161ak zjistili, \u017ee ve skute\u010dnosti \u017eerou…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[958],"tags":[435,1441,15257,434,568],"class_list":["post-15107","post","type-post","status-publish","format-standard","hentry","category-astrophysics","tag-astronomy","tag-black-holes","tag-auroras","tag-space-exploration","tag-volcanoes"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/15107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=15107"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/15107\/revisions"}],"predecessor-version":[{"id":15108,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/15107\/revisions\/15108"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=15107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=15107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=15107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}