Astronomov\u00e9 objevili neobvykle tvarovanou exoplanetu PSR J2322-2650b ob\u00edhaj\u00edc\u00ed kolem pulsaru (hust\u00e1, rychle rotuj\u00edc\u00ed mrtv\u00e1 hv\u011bzda). Pok\u0159iven\u00fd, citronov\u00fd tvar planety a zvl\u00e1\u0161tn\u00ed slo\u017een\u00ed atmosf\u00e9ry m\u00e1tly v\u011bdce a zpochyb\u0148uj\u00ed konven\u010dn\u00ed ch\u00e1p\u00e1n\u00ed vzniku planet. <\/p>\n
Exoplaneta je plynn\u00fd obr o velikosti zhruba jako Jupiter, ale jej\u00ed ob\u011b\u017en\u00e1 dr\u00e1ha kolem pulsaru ji d\u00edky sv\u00e9 intenzivn\u00ed gravitaci protahuje do prot\u00e1hl\u00e9ho tvaru citronu. Tato deformace je mnohem extr\u00e9mn\u011bj\u0161\u00ed ne\u017e cokoli pozorovan\u00e9ho kolem b\u011b\u017en\u00fdch hv\u011bzd, d\u00edky \u010demu\u017e je jedine\u010dn\u00e1. <\/p>\n
Je\u0161t\u011b pozoruhodn\u011bj\u0161\u00ed je, \u017ee atmosf\u00e9ra planety se skl\u00e1d\u00e1 p\u0159ev\u00e1\u017en\u011b z uhl\u00edku, t\u00e9m\u011b\u0159 bez stop dus\u00edku nebo kysl\u00edku. To je extr\u00e9mn\u011b anom\u00e1ln\u00ed: uhl\u00edk, dus\u00edk a kysl\u00edk se b\u011b\u017en\u011b vyskytuj\u00ed pohromad\u011b v cel\u00e9m vesm\u00edru<\/strong>. Absence posledn\u00edch dvou nazna\u010duje z\u00e1sadn\u011b odli\u0161n\u00e9 podm\u00ednky vzniku ne\u017e v\u0161e, co bylo pozorov\u00e1no d\u0159\u00edve. <\/p>\n Tento objev vyvol\u00e1v\u00e1 n\u011bkolik ot\u00e1zek. Za prv\u00e9, jak by se takov\u00e1 planeta mohla zformovat kolem pulsaru<\/em>? Pulsary vyza\u0159uj\u00ed intenzivn\u00ed z\u00e1\u0159en\u00ed, tak\u017ee stabiln\u00ed formov\u00e1n\u00ed planet je nepravd\u011bpodobn\u00e9. Za druh\u00e9, pro\u010d je jeho atmosf\u00e9ra tak chemicky nevyv\u00e1\u017een\u00e1? T\u00fdm spekuluje, \u017ee planeta m\u016f\u017ee b\u00fdt poz\u016fstatkem b\u00fdval\u00e9 hv\u011bzdy, rozt\u0159\u00ed\u0161t\u011bn\u00e9 a\u017e do jej\u00edho j\u00e1dra, kde m\u016f\u017ee existovat uhl\u00edk ve form\u011b diamant\u016f. To v\u0161ak nevysv\u011btluje \u00faplnou absenci dus\u00edku a kysl\u00edku. <\/p>\n \u201eJe opravdu t\u011b\u017ek\u00e9 to vysv\u011btlit konven\u010dn\u00edmi prost\u0159edky,\u201c \u0159\u00edk\u00e1 Michael Zhang, spoluautor studie. “Jsem otev\u0159en\u00fd mo\u017enosti, \u017ee se jedn\u00e1 o zcela nov\u00fd typ objektu.” <\/p>\n<\/blockquote>\n Vesm\u00edrn\u00fd dalekohled Jamese Webba sehr\u00e1l kl\u00ed\u010dovou roli p\u0159i odhalov\u00e1n\u00ed slo\u017een\u00ed atmosf\u00e9ry planety anal\u00fdzou vlnov\u00fdch d\u00e9lek sv\u011btla, kter\u00e9 j\u00ed proch\u00e1z\u00ed. Tato metoda umo\u017enila astronom\u016fm detekovat p\u0159\u00edtomnost molekul\u00e1rn\u00edho uhl\u00edku. <\/p>\n PSR J2322-2650b m\u016f\u017ee p\u0159edstavovat d\u0159\u00edve nezn\u00e1mou t\u0159\u00eddu planet\u00e1rn\u00edch objekt\u016f, kter\u00e9 se tvo\u0159\u00ed za extr\u00e9mn\u00edch podm\u00ednek. Tento objev zpochyb\u0148uje sou\u010dasn\u00e9 modely planet\u00e1rn\u00ed evoluce a m\u016f\u017ee vy\u017eadovat p\u0159ehodnocen\u00ed toho, jak mohou planety existovat v nejnebezpe\u010dn\u011bj\u0161\u00edch koutech vesm\u00edru. <\/p>\n Budouc\u00ed v\u00fdzkum se zam\u011b\u0159\u00ed na zdokonalov\u00e1n\u00ed atmosf\u00e9rick\u00fdch model\u016f a hled\u00e1n\u00ed podobn\u00fdch anom\u00e1li\u00ed v jin\u00fdch extr\u00e9mn\u00edch prost\u0159ed\u00edch. Studium t\u00e9to planety by mohlo poskytnout nov\u00e9 poznatky o rozmanitosti syst\u00e9m\u016f exoplanet a limitech obyvatelnosti.<\/p>\n","protected":false},"excerpt":{"rendered":" Astronomov\u00e9 objevili neobvykle tvarovanou exoplanetu PSR J2322-2650b ob\u00edhaj\u00edc\u00ed kolem pulsaru (hust\u00e1, rychle rotuj\u00edc\u00ed mrtv\u00e1 hv\u011bzda). Pok\u0159iven\u00fd, citronov\u00fd tvar planety a zvl\u00e1\u0161tn\u00ed slo\u017een\u00ed atmosf\u00e9ry m\u00e1tly v\u011bdce a zpochyb\u0148uj\u00ed konven\u010dn\u00ed ch\u00e1p\u00e1n\u00ed vzniku planet. Speci\u00e1ln\u00ed forma a slo\u017een\u00ed Exoplaneta je plynn\u00fd obr o velikosti zhruba jako Jupiter, ale jej\u00ed ob\u011b\u017en\u00e1 dr\u00e1ha kolem pulsaru ji d\u00edky sv\u00e9 intenzivn\u00ed gravitaci […]<\/p>\n","protected":false},"author":1,"featured_media":7228,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":""},"categories":[1],"tags":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/posts\/7229"}],"collection":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/comments?post=7229"}],"version-history":[{"count":0,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/posts\/7229\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/media\/7228"}],"wp:attachment":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/media?parent=7229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/categories?post=7229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/tags?post=7229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Pro\u010d je tato planeta tak zvl\u00e1\u0161tn\u00ed?<\/h3>\n
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D\u016fsledky a dal\u0161\u00ed kroky<\/h3>\n