Jakou barvu m\u00e1 vesm\u00edr? P\u0159esn\u011bji \u0159e\u010deno, kdybychom celou oblohu rozmazali, jakou barvu by m\u011bla v\u00fdsledn\u00e1 sm\u011bs? Tato fantaskn\u00ed ot\u00e1zka vyvstala p\u0159i pokusu zjistit, jak\u00e9 hv\u011bzdy se b\u011b\u017en\u011b vyskytuj\u00ed v bl\u00edzk\u00fdch galaxi\u00edch. Odpov\u011b\u010f, zn\u00e1zorn\u011bn\u00e1 zde, je podm\u00edn\u011bn\u011b vn\u00edman\u00fd odst\u00edn b\u00e9\u017eov\u00e9. V po\u010d\u00edta\u010dov\u00e9 terminologii: #FFF8E7. Aby to zjistili, astronomov\u00e9 po\u010d\u00edta\u010dov\u011b zpr\u016fm\u011brovali sv\u011btlo vyza\u0159ovan\u00e9 jedn\u00edm z v\u011bt\u0161\u00edch vzork\u016f analyzovan\u00fdch galaxi\u00ed: 200 000 galaxi\u00ed z pr\u016fzkumu 2dF Galaxy Redshift Survey. V\u00fdsledn\u00e9 kosmick\u00e9 spektrum vykazuje ur\u010dit\u00e9 z\u00e1\u0159en\u00ed ve v\u0161ech \u010d\u00e1stech elektromagnetick\u00e9ho spektra, ale vn\u00edm\u00e1 se jako jedin\u00e1 slo\u017een\u00e1 barva. Tato barva se za posledn\u00edch 10 miliard let stala mnohem m\u00e9n\u011b modrou, co\u017e nazna\u010duje, \u017ee \u010derven\u011bj\u0161\u00ed hv\u011bzdy jsou st\u00e1le \u010dast\u011bj\u0161\u00ed. V sout\u011b\u017ei o lep\u0161\u00ed n\u00e1zev t\u00e9to barvy pat\u0159ily mezi v\u00fdznamn\u00e9 n\u00e1vrhy \u201eskyvory\u201c, \u201euniveige\u201c a v\u00edt\u011bz: \u201ecosmic latte\u201c. E-mailov\u00e1 adresa APOD pro zas\u00edl\u00e1n\u00ed obr\u00e1zk\u016f se zm\u011bnila. Viz: APOD Submissions Z\u00edtra: Hlavn\u00ed str\u00e1nka APOD na webu NASA se p\u0159esouv\u00e1: Z apod.nasa.gov na science.nasa.gov\/apod<\/p>\n
<\/p>\n
**Credit**: NASA<\/p>\n","protected":false},"excerpt":{"rendered":"
Jakou barvu m\u00e1 vesm\u00edr? P\u0159esn\u011bji \u0159e\u010deno, kdybychom celou oblohu rozmazali, jakou barvu by m\u011bla v\u00fdsledn\u00e1 sm\u011bs? Tato fantaskn\u00ed ot\u00e1zka vyvstala p\u0159i pokusu zjistit, jak\u00e9 hv\u011bzdy se b\u011b\u017en\u011b vyskytuj\u00ed v bl\u00edzk\u00fdch […]<\/p>\n","protected":false},"author":1,"featured_media":4098,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4097","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\/4097","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=4097"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/4097\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/4098"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=4097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=4097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=4097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}