New Horizons, neohro\u017een\u00e1 kosmick\u00e1 sonda NASA, zaslala zp\u011bt prvn\u00ed sn\u00edmky Pluta po\u0159\u00edzen\u00e9 zbl\u00edzka a odhalila sv\u011bt pln\u00fd ne\u010dekan\u00e9 geologick\u00e9 aktivity a fascinuj\u00edc\u00edch rys\u016f.<\/p>\n\n
Jedn\u00edm z nejpozoruhodn\u011bj\u0161\u00edch p\u0159ekvapen\u00ed je p\u0159\u00edtomnost ty\u010d\u00edc\u00edch se ledov\u00fdch hor na povrchu Pluta. Tyto hory, slo\u017een\u00e9 z vodn\u00edho ledu, dosahuj\u00ed v\u00fd\u0161ky a\u017e 11 000 stop a nach\u00e1zej\u00ed se pobl\u00ed\u017e rovn\u00edku planety. V\u011bdci se domn\u00edvaj\u00ed, \u017ee tyto hory vznikly sp\u00ed\u0161e p\u016fsoben\u00edm geologick\u00fdch sil ne\u017e n\u00e1razy a \u017ee mohou b\u00fdt zn\u00e1mkou prob\u00edhaj\u00edc\u00ed geologick\u00e9 aktivity.<\/p>\n\n
Pluto\u016fv nejv\u011bt\u0161\u00ed m\u011bs\u00edc, Charon, se m\u016f\u017ee pochlubit tak\u00e9 p\u0159ekvapiv\u011b slo\u017eit\u00fdm povrchem. Sn\u00edmky z New Horizons ukazuj\u00ed krajinu zdobenou geologick\u00fdmi \u00fatvary, v\u010detn\u011b temn\u00e9 oblasti neform\u00e1ln\u011b naz\u00fdvan\u00e9 Mordor. M\u011bs\u00edc tak\u00e9 vykazuje n\u00e1padnou prohlube\u0148, kter\u00e1 se t\u00e1hne a\u017e 600 mil p\u0159es jeho povrch, a ka\u0148on, kter\u00fd je hlubok\u00fd \u010dty\u0159i a\u017e \u0161est mil. Tyto \u00fatvary nazna\u010duj\u00ed, \u017ee Charon, stejn\u011b jako Pluto, za\u017eil zna\u010dnou geologickou aktivitu.<\/p>\n\n
\u0158\u00eddk\u00e1 atmosf\u00e9ra Pluta obsahuje dus\u00edkov\u00fd led, kter\u00fd se podle v\u011bdc\u016f usazuje na povrchu planety, kdy\u017e atmosf\u00e9ra zamrz\u00e1. Nov\u00e9 sn\u00edmky v\u0161ak ukazuj\u00ed, \u017ee tento led je p\u0159\u00edli\u0161 slab\u00fd na to, aby vytvo\u0159il hory, co\u017e nazna\u010duje, \u017ee m\u016f\u017ee j\u00edt pouze o tenkou vrstvu nad \u201epodlo\u017e\u00edm\u201c vodn\u00edho ledu.<\/p>\n\n
Je zaj\u00edmav\u00e9, \u017ee v\u011bdci spekuluj\u00ed, \u017ee vnit\u0159n\u00ed aktivita, jako je kryovulkanismus, m\u016f\u017ee vytla\u010dovat dus\u00edk z Plutova nitra. Kryovulkanismus je erupce t\u011bkav\u00fdch materi\u00e1l\u016f, jako je dus\u00edk nebo metan, na ledov\u00fdch sv\u011btech. P\u0159esto\u017ee zat\u00edm nebyl na Plutu nalezen \u017e\u00e1dn\u00fd d\u016fkaz kryovulkanismu, p\u0159\u00edtomnost dus\u00edkov\u00e9ho ledu a prob\u00edhaj\u00edc\u00ed geologick\u00e1 aktivita poskytuj\u00ed slibn\u00e9 indicie, \u017ee by mohl existovat.<\/p>\n\n
Sonda New Horizons tak\u00e9 po\u0159\u00eddila zat\u00edm nejlep\u0161\u00ed sn\u00edmek nejvzd\u00e1len\u011bj\u0161\u00edho m\u011bs\u00edce Pluta, H\u00e1d\u00e9se. Tento z\u00e1hadn\u00fd m\u011bs\u00edc, kter\u00fd p\u0159ipom\u00edn\u00e1 osmibitovou videohern\u00ed postavu, m\u011b\u0159\u00ed 28 x 19 mil. V\u011bdci se t\u011b\u0161\u00ed, a\u017e se dozv\u011bd\u00ed v\u00edce o slo\u017een\u00ed a geologick\u00e9 historii H\u00e1d\u00e9se.<\/p>\n\n
Objevy sondy New Horizons maj\u00ed z\u00e1sadn\u00ed d\u016fsledky pro na\u0161e ch\u00e1p\u00e1n\u00ed ledov\u00fdch sv\u011bt\u016f. Zpochyb\u0148uj\u00ed dlouho tradovanou p\u0159edstavu, \u017ee p\u0159\u00edlivov\u00e9 zah\u0159\u00edv\u00e1n\u00ed v\u011bt\u0161\u00edm ob\u011b\u017en\u00fdm partnerem je hlavn\u00edm hnac\u00edm motorem geologick\u00e9 aktivity na t\u011bchto planet\u00e1ch. Naopak izolovan\u00e1 poloha Pluta a prob\u00edhaj\u00edc\u00ed geologick\u00e1 aktivita nazna\u010duj\u00ed, \u017ee mohou hr\u00e1t roli i jin\u00e9 mechanismy.<\/p>\n\n
Tyto n\u00e1lezy nepochybn\u011b povedou k vln\u011b nov\u00e9ho v\u00fdzkumu a mohou nakonec zm\u011bnit na\u0161e ch\u00e1p\u00e1n\u00ed v\u00fdvoje a rozmanitosti ledov\u00fdch sv\u011bt\u016f v cel\u00e9 Slune\u010dn\u00ed soustav\u011b.<\/p>","protected":false},"excerpt":{"rendered":"
Pod\u00edvejte se na prvn\u00ed sn\u00edmky Pluta zbl\u00edzka po\u0159\u00edzen\u00e9 b\u011bhem pr\u016fletu sondy Syst\u00e9m Pluta: Sv\u011bt p\u0159ekvapen\u00ed New Horizons, neohro\u017een\u00e1 kosmick\u00e1 sonda NASA, zaslala zp\u011bt prvn\u00ed sn\u00edmky Pluta po\u0159\u00edzen\u00e9 zbl\u00edzka a odhalila…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[494],"tags":[1308,1309,1307,1306,1305,1304],"class_list":["post-520","post","type-post","status-publish","format-standard","hentry","category-space-exploration","tag-charon","tag-cryovolcanism","tag-geological-activity","tag-ice-mountains","tag-new-horizons","tag-pluto"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/520","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=520"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/520\/revisions"}],"predecessor-version":[{"id":521,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/520\/revisions\/521"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}