{"id":3725,"date":"2026-02-26T16:00:24","date_gmt":"2026-02-26T16:00:24","guid":{"rendered":"https:\/\/astrohodonin.cz\/index.php\/2026\/02\/26\/webb-a-hubble-ic-5332\/"},"modified":"2026-02-26T16:00:24","modified_gmt":"2026-02-26T16:00:24","slug":"webb-a-hubble-ic-5332","status":"publish","type":"post","link":"https:\/\/astrohodonin.cz\/index.php\/2026\/02\/26\/webb-a-hubble-ic-5332\/","title":{"rendered":"Webb a Hubble: IC 5332"},"content":{"rendered":"<p>Jak vypad\u00e1 vesm\u00edr p\u0159es infra\u010derven\u00e9 br\u00fdle? Na\u0161e o\u010di vid\u00ed pouze viditeln\u00e9 sv\u011btlo, ale astronomov\u00e9 cht\u011bj\u00ed vid\u011bt v\u00edc. Dne\u0161n\u00ed APOD ukazuje spir\u00e1ln\u00ed galaxii IC 5332, jak ji vid\u00ed dva teleskopy NASA: Webb ve st\u0159edn\u00ed infra\u010derven\u00e9 oblasti a Hubble v ultrafialov\u00e9 a viditeln\u00e9 oblasti. Chcete-li p\u0159ep\u00ednat mezi t\u011bmito dv\u011bma vesm\u00edrn\u00fdmi pohledy, sta\u010d\u00ed p\u0159esunout kurzor nad obr\u00e1zek (nebo kliknout na tento odkaz). Obr\u00e1zek z Hubbleova teleskopu zd\u016fraz\u0148uje spir\u00e1lov\u00e1 ramena galaxie odd\u011blen\u00e1 tmav\u00fdmi oblastmi, zat\u00edmco obr\u00e1zek z Webbova teleskopu odhaluje jemn\u011bj\u0161\u00ed, spleten\u011bj\u0161\u00ed strukturu. Mezihv\u011bzdn\u00fd prach rozptyluje a pohlcuje sv\u011btlo hv\u011bzd v galaxii, co\u017e zp\u016fsobuje tmav\u00e9 prachov\u00e9 pruhy na obr\u00e1zku z Hubbleova teleskopu, a pot\u00e9 vyza\u0159uje teplo v infra\u010derven\u00e9m sv\u011btle, tak\u017ee prach na tomto obr\u00e1zku z Webbova teleskopu z\u00e1\u0159\u00ed. St\u0159edn\u00ed infra\u010derven\u00fd p\u0159\u00edstroj na Webbov\u011b teleskopu mus\u00ed pracovat p\u0159i chladn\u00e9 teplot\u011b -266 \u00b0C (nebo -447 \u00b0F), jinak by detekoval infra\u010derven\u00e9 z\u00e1\u0159en\u00ed z teleskopu samotn\u00e9ho. Kombinac\u00ed t\u011bchto pozorov\u00e1n\u00ed astronomov\u00e9 spojuj\u00ed \u201emal\u00fd m\u011b\u0159\u00edtko\u201c plynu a hv\u011bzd s opravdu velk\u00fdm m\u011b\u0159\u00edtkem galaktick\u00e9 struktury a evoluce.<\/p>\n<p><!-- astropress --><\/p>\n<p>**Credit**: NASA<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jak vypad\u00e1 vesm\u00edr p\u0159es infra\u010derven\u00e9 br\u00fdle? Na\u0161e o\u010di vid\u00ed pouze viditeln\u00e9 sv\u011btlo, ale astronomov\u00e9 cht\u011bj\u00ed vid\u011bt v\u00edc. Dne\u0161n\u00ed APOD ukazuje spir\u00e1ln\u00ed galaxii IC 5332, jak ji vid\u00ed dva teleskopy NASA: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3726,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3725","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nasa"],"_links":{"self":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/comments?post=3725"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3725\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3726"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}