{"id":15168,"date":"2022-02-13T14:42:33","date_gmt":"2022-02-13T14:42:33","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15168"},"modified":"2022-02-13T14:42:33","modified_gmt":"2022-02-13T14:42:33","slug":"best-space-photos-week-cosmic-wonders-eclipses-stellar-explosions","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/astronomy\/best-space-photos-week-cosmic-wonders-eclipses-stellar-explosions\/","title":{"rendered":"Nejlep\u0161\u00ed vesm\u00edrn\u00e9 sn\u00edmky t\u00fddne: Kosmick\u00e9 divy od zatm\u011bn\u00ed po hv\u011bzdn\u00e9 exploze"},"content":{"rendered":"

Nejlep\u0161\u00ed vesm\u00edrn\u00e9 sn\u00edmky t\u00fddne: Kosmick\u00e9 divy od zatm\u011bn\u00ed po hv\u011bzdn\u00e9 exploze<\/h2>\n\n

Duhov\u00e9 zatm\u011bn\u00ed maluje oblohu<\/h2>\n\n
    \n
  1. b\u0159ezna prob\u011bhlo \u00fapln\u00e9 zatm\u011bn\u00ed Slunce nad Faersk\u00fdmi ostrovy a \u0160picberky, zat\u00edmco \u010d\u00e1ste\u010dn\u00e1 zatm\u011bn\u00ed byla viditeln\u00e1 v \u010d\u00e1stech Evropy, Afriky a Asie. Tato \u00fachvatn\u00e1 ud\u00e1lost nastala, kdy\u017e se M\u011bs\u00edc dostal mezi Zemi a Slunce a vrhl sv\u016fj st\u00edn na na\u0161i planetu. Kdy\u017e slune\u010dn\u00ed sv\u011btlo proch\u00e1zelo tenk\u00fdmi mraky ve Spojen\u00e9m kr\u00e1lovstv\u00ed, vytvo\u0159ilo fascinuj\u00edc\u00ed prizmatick\u00fd efekt, kter\u00fd prom\u011bnil oblohu v pl\u00e1tno z\u00e1\u0159iv\u00fdch barev.<\/li>\n<\/ol>\n\n

    Pol\u00e1rn\u00ed z\u00e1\u0159e zp\u00edv\u00e1 blues nad Albertou<\/h2>\n\n

    No\u010dn\u00ed obloha nad Albertou v Kanad\u011b o\u017eila mimozemskou pod\u00edvanou modr\u00e9 a fialov\u00e9 pol\u00e1rn\u00ed z\u00e1\u0159e 17. b\u0159ezna. Jeff Wallace zachytil tento \u00fachvatn\u00fd pohled, kter\u00fd spustila intenzivn\u00ed slune\u010dn\u00ed bou\u0159e, kter\u00e1 zas\u00e1hla Zemi na den svat\u00e9ho Patrika. Pol\u00e1rn\u00ed z\u00e1\u0159e vznikaj\u00ed, kdy\u017e slune\u010dn\u00ed \u010d\u00e1stice nar\u00e1\u017eej\u00ed do plyn\u016f v na\u0161\u00ed atmosf\u00e9\u0159e, \u010d\u00edm\u017e je vzru\u0161uj\u00ed a nut\u00ed je vyza\u0159ovat sv\u011btlo. Modr\u00e9 odst\u00edny na t\u00e9to konkr\u00e9tn\u00ed pol\u00e1rn\u00ed z\u00e1\u0159i nazna\u010duj\u00ed p\u0159\u00edtomnost vod\u00edku a helia vysoko v atmosf\u00e9\u0159e.<\/p>\n\n

    T\u0159pytiv\u00e1 trpasli\u010d\u00ed galaxie v kosmick\u00e9 tapiserii<\/h2>\n\n

    Hubble\u016fv vesm\u00edrn\u00fd dalekohled zachytil sn\u00edmek mal\u00e9 galaxie p\u0159ipom\u00ednaj\u00edc\u00ed \u0161petku hv\u011bzdn\u00e9ho prachu rozpt\u00fdlen\u00e9ho po obrovsk\u00e9 \u0161\u00ed\u0159i vesm\u00edru. Tato modr\u00e1 kompaktn\u00ed trpasli\u010d\u00ed galaxie, zn\u00e1m\u00e1 jako PGC 51017, za\u017e\u00edv\u00e1 explozi tvorby hv\u011bzd, co\u017e dokazuj\u00ed jej\u00ed jasn\u011b modr\u00e9 hv\u011bzdy, kter\u00e9 jsou star\u00e9 n\u011bco m\u00e1lo p\u0159es 1,3 miliardy let. V\u011bdci studuj\u00ed trpasli\u010d\u00ed galaxie, jako je PGC 51017, aby z\u00edskali poznatky o vzniku prvn\u00edch galaxi\u00ed v ran\u00e9m vesm\u00edru.<\/p>\n\n

    Oslava Sv\u011btov\u00e9ho dne vody na palub\u011b ISS<\/h2>\n\n

    Na po\u010dest Sv\u011btov\u00e9ho dne vody 20. b\u0159ezna sd\u00edlela astronautka Samantha Cristoforetti dojemn\u00fd sn\u00edmek vody vzn\u00e1\u0161ej\u00edc\u00ed se na palub\u011b Mezin\u00e1rodn\u00ed vesm\u00edrn\u00e9 stanice. Jej\u00ed poselstv\u00ed zd\u016fraznilo v\u00fdznam \u0161et\u0159en\u00ed vodou a p\u0159ipomn\u011blo n\u00e1m, \u017ee tento drahocenn\u00fd zdroj je omezen\u00fd, a to jak na Zemi, tak ve vesm\u00edru.<\/p>\n\n

    Hv\u011bzdn\u00fd oh\u0148ostroj: Exploze na b\u00edl\u00e9m trpasl\u00edkovi<\/h2>\n\n

    Kombinov\u00e1n\u00edm dat z rentgenov\u00fdch, optick\u00fdch a radioteleskop\u016f zachytili astronomov\u00e9 sn\u00edmek termonukle\u00e1rn\u00ed exploze na povrchu GK Persei, b\u00edl\u00e9ho trpasl\u00edka. Tato klasick\u00e1 nova vznik\u00e1, kdy\u017e b\u00edl\u00fd trpasl\u00edk nas\u00e1v\u00e1 materi\u00e1l z bl\u00edzk\u00e9 hv\u011bzdy, co\u017e spust\u00ed jadern\u00e9 reakce, kter\u00e9 mohou zes\u00edlit a v\u00e9st k mohutn\u00e9 explozi. Rentgenov\u00e1 observato\u0159 Chandra NASA pozoruje GK Persei ji\u017e v\u00edce ne\u017e 13 let, aby studovala v\u00fdvoj hv\u011bzdn\u00fdch exploz\u00ed, jako je tato.<\/p>\n\n

    Mars a Merkur: Kontrasty v teplot\u011b<\/h2>\n\n

    P\u0159esto\u017ee se Mars \u010dasto ozna\u010duje jako \u010derven\u00e1 planeta, sn\u00edmek Merkuru ve fale\u0161n\u00fdch barv\u00e1ch odhaluje, \u017ee tento mal\u00fd sv\u011bt m\u016f\u017ee tak\u00e9 za\u017e\u00edvat vysok\u00e9 teploty. Sonda MESSENGER NASA po\u0159\u00eddila tento sn\u00edmek, kter\u00fd ukazuje oblast severn\u00edho p\u00f3lu Merkuru zbarvenou podle povrchov\u00e9 teploty. Velk\u00e9 \u010d\u00e1sti Merkuru se jev\u00ed jako \u010derven\u00e9, co\u017e nazna\u010duje teploty kolem 125 stup\u0148\u016f Celsia, zat\u00edmco kr\u00e1tery pobl\u00ed\u017e p\u00f3lu z\u016fst\u00e1vaj\u00ed v trval\u00e9m st\u00ednu a dosahuj\u00ed teplot a\u017e -223 stup\u0148\u016f Celsia, co\u017e je dostate\u010dn\u011b chladn\u00e9 na to, aby na povrchu udr\u017eelo vodn\u00ed led.<\/p>","protected":false},"excerpt":{"rendered":"

    Nejlep\u0161\u00ed vesm\u00edrn\u00e9 sn\u00edmky t\u00fddne: Kosmick\u00e9 divy od zatm\u011bn\u00ed po hv\u011bzdn\u00e9 exploze Duhov\u00e9 zatm\u011bn\u00ed maluje oblohu b\u0159ezna prob\u011bhlo \u00fapln\u00e9 zatm\u011bn\u00ed Slunce nad Faersk\u00fdmi ostrovy a \u0160picberky, zat\u00edmco \u010d\u00e1ste\u010dn\u00e1 zatm\u011bn\u00ed byla viditeln\u00e1…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[437],"tags":[435,1443,20239,20238,15257,434,955],"class_list":["post-15168","post","type-post","status-publish","format-standard","hentry","category-astronomy","tag-astronomy","tag-galaxies","tag-stellar-explosions","tag-novae","tag-auroras","tag-space-exploration","tag-eclipses"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/15168","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=15168"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/15168\/revisions"}],"predecessor-version":[{"id":15169,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/15168\/revisions\/15169"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=15168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=15168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=15168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}