NASA zve\u0159ejnila \u00fa\u017easn\u00e9 nov\u00e9 sn\u00edmky mlhoviny Ko\u010di\u010d\u00ed oko (NGC 6543), nebesk\u00e9ho objektu nach\u00e1zej\u00edc\u00edho se p\u0159ibli\u017en\u011b 4400 sv\u011bteln\u00fdch let od Zem\u011b. Tyto sn\u00edmky po\u0159\u00edzen\u00e9 Hubbleov\u00fdm vesm\u00edrn\u00fdm dalekohledem ve spojen\u00ed s Euklidov\u00fdm dalekohledem poskytuj\u00ed dosud nejpodrobn\u011bj\u0161\u00ed pohled na posledn\u00ed f\u00e1ze um\u00edraj\u00edc\u00ed hv\u011bzdy. Slo\u017eit\u00e1 struktura mlhoviny odhaluje slo\u017eitou historii hv\u011bzdn\u00e9ho v\u00fdvoje. <\/p>\n
Mlhovina Ko\u010di\u010d\u00ed oko, kterou poprv\u00e9 pozoroval HST v roce 1995, ji\u017e dlouho fascinuje astronomy sv\u00fdmi slo\u017eit\u00fdmi \u00fatvary. Nov\u00e1 pozorov\u00e1n\u00ed roz\u0161i\u0159uj\u00ed tuto pr\u00e1ci, ukazuj\u00ed \u0161ir\u0161\u00ed pohled na mlhovinu a odhaluj\u00ed detaily, kter\u00e9 byly d\u0159\u00edve neviditeln\u00e9. <\/p>\n
Obr\u00e1zky zv\u00fdraz\u0148uj\u00ed charakteristick\u00e9 halo obklopuj\u00edc\u00ed centr\u00e1ln\u00ed hv\u011bzdu. Je d\u016fle\u017eit\u00e9 poznamenat, \u017ee toto halo bylo vyvr\u017eeno hv\u011bzdn\u00fdm syst\u00e9mem dlouho p\u0159ed vytvo\u0159en\u00edm okoln\u00edch plynov\u00fdch mra\u010den.<\/em> To nazna\u010duje v\u00edcestup\u0148ov\u00fd proces smrti hv\u011bzdy. <\/p>\n NASA popisuje nov\u00e1 pozorov\u00e1n\u00ed jako odhaluj\u00edc\u00ed \u201etkaninu soust\u0159edn\u00fdch sko\u0159epin, v\u00fdtrysk\u016f vysokorychlostn\u00edch plyn\u016f a hust\u00fdch uzl\u016f vytvo\u0159en\u00fdch n\u00e1razov\u00fdmi interakcemi\u201c. Nen\u00ed to jen p\u011bkn\u00fd obr\u00e1zek; Toto je v\u011bdeck\u00fd z\u00e1pis. Studiem t\u011bchto struktur mohou astronomov\u00e9 rekonstruovat historii hv\u011bzdy ve st\u0159edu mlhoviny. <\/p>\n “Pozorov\u00e1n\u00ed mohou poskytnout vod\u00edtko k tomu, jak se mlhoviny, jako je tato, tvo\u0159\u00ed.” <\/p>\n<\/blockquote>\n Mlhovina funguje jako \u201ekosmick\u00fd z\u00e1znamn\u00edk\u201c, kter\u00fd umo\u017e\u0148uje v\u011bdc\u016fm sledovat posledn\u00ed f\u00e1ze v\u00fdvoje hv\u011bzdy. Data podporuj\u00ed my\u0161lenku, \u017ee smrt hv\u011bzdy nen\u00ed jednor\u00e1zov\u00e1 ud\u00e1lost, ale s\u00e9rie emis\u00ed a interakc\u00ed v pr\u016fb\u011bhu \u010dasu. <\/p>\n Pochopen\u00ed smrti hv\u011bzd je z\u00e1kladem astrofyziky. Hv\u011bzdy jsou motory vesm\u00edru, vytv\u00e1\u0159ej\u00ed t\u011b\u017e\u0161\u00ed prvky a rozpt\u00fdl\u00ed je do vesm\u00edru a zas\u00e9vaj\u00ed nov\u00e9 hv\u011bzdn\u00e9 syst\u00e9my. Mlhovina Ko\u010di\u010d\u00ed oko poskytuje vz\u00e1cn\u00fd, vysoce kvalitn\u00ed pohled do tohoto procesu a pom\u00e1h\u00e1 v\u011bdc\u016fm vylep\u0161it modely v\u00fdvoje hv\u011bzd a formov\u00e1n\u00ed planet\u00e1rn\u00edch mlhovin. <\/p>\n Pokra\u010duj\u00edc\u00ed studium mlhovin, jako je tato, zlep\u0161\u00ed na\u0161e ch\u00e1p\u00e1n\u00ed toho, jak hv\u011bzdy \u017eij\u00ed, um\u00edraj\u00ed a nakonec utv\u00e1\u0159ej\u00ed vesm\u00edr. <\/p>\n Tyto objevy zd\u016fraz\u0148uj\u00ed d\u016fle\u017eitost prob\u00edhaj\u00edc\u00edch vesm\u00edrn\u00fdch pozorov\u00e1n\u00ed a jedine\u010dn\u00e9 schopnosti p\u0159\u00edstroj\u016f, jako je Hubble a Euclid, p\u0159i odhalov\u00e1n\u00ed z\u00e1had vesm\u00edru.<\/p>\n","protected":false},"excerpt":{"rendered":" NASA zve\u0159ejnila \u00fa\u017easn\u00e9 nov\u00e9 sn\u00edmky mlhoviny Ko\u010di\u010d\u00ed oko (NGC 6543), nebesk\u00e9ho objektu nach\u00e1zej\u00edc\u00edho se p\u0159ibli\u017en\u011b 4400 sv\u011bteln\u00fdch let od Zem\u011b. Tyto sn\u00edmky po\u0159\u00edzen\u00e9 Hubbleov\u00fdm vesm\u00edrn\u00fdm dalekohledem ve spojen\u00ed s Euklidov\u00fdm dalekohledem poskytuj\u00ed dosud nejpodrobn\u011bj\u0161\u00ed pohled na posledn\u00ed f\u00e1ze um\u00edraj\u00edc\u00ed hv\u011bzdy. Slo\u017eit\u00e1 struktura mlhoviny odhaluje slo\u017eitou historii hv\u011bzdn\u00e9ho v\u00fdvoje. 30let\u00fd pohled na v\u00fdvoj hv\u011bzd Mlhovina Ko\u010di\u010d\u00ed […]<\/p>\n","protected":false},"author":1,"featured_media":7473,"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\/7474"}],"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=7474"}],"version-history":[{"count":0,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/posts\/7474\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/media\/7473"}],"wp:attachment":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/media?parent=7474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/categories?post=7474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/tags?post=7474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Dek\u00f3dov\u00e1n\u00ed vesm\u00edrn\u00e9ho kronik\u00e1\u0159e<\/h3>\n
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Pro\u010d je to d\u016fle\u017eit\u00e9?<\/h3>\n