{"id":6122,"date":"2023-08-30T12:09:00","date_gmt":"2023-08-30T10:09:00","guid":{"rendered":"https:\/\/esso.sk\/?p=6122"},"modified":"2024-09-05T17:21:16","modified_gmt":"2024-09-05T15:21:16","slug":"cesta-za-hviezdami-od-zrodu-galaxii-po-ich-mozny-zanik","status":"publish","type":"post","link":"https:\/\/esso.sk\/?p=6122","title":{"rendered":"Cesta za hviezdami: Od zrodu galaxi\u00ed po ich mo\u017en\u00fd z\u00e1nik"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ako vznikli majest\u00e1tne galaxie, ktor\u00e9 vid\u00edme na no\u010dnej oblohe, je ot\u00e1zka, ktor\u00e1 fascinuje vedcov u\u017e cel\u00e9 st\u00e1ro\u010dia. Najprijate\u013enej\u0161ou te\u00f3riou je, \u017ee galaxie vznikli kr\u00e1tko po Ve\u013ekom tresku, kolos\u00e1lnej expl\u00f3zii, ktor\u00e1 dala vznikn\u00fa\u0165 n\u00e1\u0161mu vesm\u00edru.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gravita\u010dn\u00e1 kolaps\u00e1cia:<\/strong> V prv\u00fdch okamihoch po Ve\u013ekom tresku sa vesm\u00edr skladal z hor\u00faceho, hust\u00e9ho a rovnomerne rozlo\u017een\u00e9ho plynu. Gravit\u00e1cia postupne sp\u00f4sobila, \u017ee sa tento plyn za\u010dal zhroma\u017e\u010fova\u0165 do v\u00e4\u010d\u0161\u00edch a hustej\u0161\u00edch oblast\u00ed.<\/li>\n\n\n\n<li><strong>Vznik hviezd:<\/strong> V t\u00fdchto zhroma\u017eden\u00fdch oblastiach sa za\u010dali formova\u0165 prv\u00e9 hviezdy. Ich \u017eiarenie a v\u00fdbuchy supernov postupne vytvorili komplexn\u00e9 \u0161trukt\u00fary, ktor\u00e9 sa stali z\u00e1kladom pre vznik galaxi\u00ed.<\/li>\n\n\n\n<li><strong>Tvary galaxi\u00ed:<\/strong> V priebehu \u010dasu sa galaxie vyv\u00edjali a nadob\u00fadali r\u00f4zne tvary \u2013 \u0161pir\u00e1lov\u00e9, eliptick\u00e9 alebo nepravideln\u00e9. Ich tvar z\u00e1vis\u00ed od mnoh\u00fdch faktorov, ako je ve\u013ekos\u0165, hmotnos\u0165 a hist\u00f3ria zr\u00e1\u017eok s in\u00fdmi galaxiami.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Bud\u00facnos\u0165 galaxi\u00ed: \u010co ich \u010dak\u00e1?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bud\u00facnos\u0165 galaxi\u00ed je st\u00e1le predmetom intenz\u00edvneho v\u00fdskumu a existuje nieko\u013eko te\u00f3ri\u00ed o tom, \u010do sa s nimi m\u00f4\u017ee sta\u0165:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Splynutie galaxi\u00ed:<\/strong> Galaxie sa neust\u00e1le pohybuj\u00fa a vz\u00e1jomne na seba gravita\u010dne p\u00f4sobia. V priebehu \u010dasu m\u00f4\u017eu niektor\u00e9 galaxie splyn\u00fa\u0165 do v\u00e4\u010d\u0161\u00edch \u0161trukt\u00far. Na\u0161a Mlie\u010dna cesta je napr\u00edklad na koliznom kurze s galaxiou Andromeda.<\/li>\n\n\n\n<li><strong>Rozp\u00ednanie vesm\u00edru:<\/strong> Vesm\u00edr sa neust\u00e1le rozp\u00edna. Ak sa toto rozp\u00ednanie bude na\u010falej zr\u00fdch\u013eova\u0165, m\u00f4\u017ee to vies\u0165 k tomu, \u017ee sa galaxie od seba vzdiali nato\u013eko, \u017ee u\u017e nebud\u00fa schopn\u00e9 gravita\u010dne p\u00f4sobi\u0165 na seba.<\/li>\n\n\n\n<li><strong>Ve\u013ek\u00fd chlad:<\/strong> Ak sa rozp\u00ednanie vesm\u00edru spomal\u00ed a nakoniec sa zastav\u00ed, m\u00f4\u017ee d\u00f4js\u0165 k opa\u010dn\u00e9mu procesu \u2013 k Ve\u013ek\u00e9mu kolapsu. V\u0161etka hmota by sa za\u010dala znova zmr\u0161\u0165ova\u0165 a mohla by d\u00f4js\u0165 k nov\u00e9mu Ve\u013ek\u00e9mu tresku.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u010co e\u0161te nevieme?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Napriek v\u0161etk\u00fdm na\u0161im poznatkom o galaxi\u00e1ch st\u00e1le existuje mnoho ot\u00e1zok, na ktor\u00e9 h\u013ead\u00e1me odpovede:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Temn\u00e1 hmota a temn\u00e1 energia:<\/strong> V\u00e4\u010d\u0161ina hmoty a energie vo vesm\u00edre je pre n\u00e1s nevidite\u013en\u00e1. Jej pr\u00edtomnos\u0165 ovplyv\u0148uje v\u00fdvoj galaxi\u00ed, ale st\u00e1le nech\u00e1peme jej podstatu.<\/li>\n\n\n\n<li><strong>Vznik prv\u00fdch galaxi\u00ed:<\/strong> Ako vznikli prv\u00e9 galaxie kr\u00e1tko po Ve\u013ekom tresku?<\/li>\n\n\n\n<li><strong>Bud\u00facnos\u0165 vesm\u00edru:<\/strong> Ak\u00fd bude kone\u010dn\u00fd osud n\u00e1\u0161ho vesm\u00edru?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160t\u00fadium galaxi\u00ed je fascinuj\u00facou cestou za poznan\u00edm n\u00e1\u0161ho miesta vo vesm\u00edre. Aj ke\u010f u\u017e vieme ve\u013ea o tom, ako galaxie vznikali a vyv\u00edjali sa, st\u00e1le existuje mnoho z\u00e1had, ktor\u00e9 n\u00e1s l\u00e1kaj\u00fa k \u010fal\u0161iemu v\u00fdskumu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ako vznikli majest\u00e1tne galaxie, ktor\u00e9 vid\u00edme na no\u010dnej oblohe, je ot\u00e1zka, ktor\u00e1 fascinuje vedcov u\u017e cel\u00e9 st\u00e1ro\u010dia. Najprijate\u013enej\u0161ou te\u00f3riou je, \u017ee galaxie vznikli kr\u00e1tko po Ve\u013ekom tresku, kolos\u00e1lnej expl\u00f3zii, ktor\u00e1 dala vznikn\u00fa\u0165 n\u00e1\u0161mu vesm\u00edru. Bud\u00facnos\u0165 galaxi\u00ed: \u010co ich \u010dak\u00e1? Bud\u00facnos\u0165 galaxi\u00ed je st\u00e1le predmetom intenz\u00edvneho v\u00fdskumu a existuje nieko\u013eko te\u00f3ri\u00ed o tom, \u010do sa s nimi m\u00f4\u017ee sta\u0165: \u010co e\u0161te nevieme? Napriek v\u0161etk\u00fdm na\u0161im poznatkom o galaxi\u00e1ch st\u00e1le existuje mnoho ot\u00e1zok, na ktor\u00e9 h\u013ead\u00e1me odpovede: \u0160t\u00fadium galaxi\u00ed je fascinuj\u00facou cestou za poznan\u00edm n\u00e1\u0161ho miesta vo vesm\u00edre. Aj ke\u010f u\u017e vieme ve\u013ea o tom, ako galaxie vznikali a vyv\u00edjali sa, st\u00e1le existuje mnoho z\u00e1had, ktor\u00e9 n\u00e1s l\u00e1kaj\u00fa k \u010fal\u0161iemu v\u00fdskumu.<\/p>\n","protected":false},"author":1,"featured_media":6123,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"categories":[27],"tags":[],"class_list":["post-6122","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktuality"],"_links":{"self":[{"href":"https:\/\/esso.sk\/index.php?rest_route=\/wp\/v2\/posts\/6122","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/esso.sk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/esso.sk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/esso.sk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/esso.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6122"}],"version-history":[{"count":1,"href":"https:\/\/esso.sk\/index.php?rest_route=\/wp\/v2\/posts\/6122\/revisions"}],"predecessor-version":[{"id":6124,"href":"https:\/\/esso.sk\/index.php?rest_route=\/wp\/v2\/posts\/6122\/revisions\/6124"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/esso.sk\/index.php?rest_route=\/wp\/v2\/media\/6123"}],"wp:attachment":[{"href":"https:\/\/esso.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/esso.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/esso.sk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}