{"id":169474,"date":"2026-08-05T14:30:12","date_gmt":"2026-08-05T14:30:12","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/169474\/"},"modified":"2026-08-05T14:30:12","modified_gmt":"2026-08-05T14:30:12","slug":"osel-cz-jak-udrzet-zemi-obyvatelnou-az-slunce-zemre","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/169474\/","title":{"rendered":":: OSEL.CZ :: &#8211; Jak udr\u017eet Zemi obyvatelnou, a\u017e Slunce zem\u0159e?"},"content":{"rendered":"\n<p>Slunce tu nebude v\u011b\u010dn\u011b. Co bychom m\u011bli d\u011blat, a\u017e sp\u00e1l\u00ed sv\u00e9 hv\u011bzdn\u00e9 palivo, a my tady je\u0161t\u011b budeme? Nebo n\u011bjak\u00e9 podobn\u00e9 druhy? Gabriel Harry navrhuje z\u016fstat na Zemi a sna\u017eit se ji co nejl\u00e9pe ochr\u00e1nit p\u0159ed \u010derven\u00fdm obrem, do n\u011bho\u017e se Slunce prom\u011bn\u00ed. Vyho\u0159el\u00e9 Slunce by podle n\u011bj nahradili plynn\u00ed ob\u0159i, jejich\u017e vod\u00edk a helium bychom spalovali ve f\u00fazn\u00edch reaktorech.<\/p>\n<p>\t\t<a rel=\"clanek nofollow noopener\" href=\"https:\/\/www.osel.cz\/popisek.php?popisek=44982&amp;img=how-to-keep-the-earth.jpeg\" target=\"_blank\"><img decoding=\"async\" title=\"\u010cerven\u00fd obr za \u0161t\u00edtem. Kredit: Gabriel Harry.\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/08\/s_how-to-keep-the-earth.jpeg\" alt=\"\u010cerven\u00fd obr za \u0161t\u00edtem. Kredit: Gabriel Harry.\"\/><\/a><\/p>\n<p>\u010cerven\u00fd obr za \u0161t\u00edtem. Kredit: Gabriel Harry.<\/p>\n<p>Britsk\u00fd nez\u00e1visl\u00fd badatel Gabriel Harry si st\u0159ihl pozoruhodnou letn\u00ed vizi, kter\u00e1 souvis\u00ed s\u00a0prota\u017een\u00edm obyvatelnosti na\u0161\u00ed planety po z\u00e1niku na\u0161e Slunce jako hv\u011bzdy hlavn\u00ed posloupnosti. Je to samoz\u0159ejm\u011b science-fiction, vzhledem k\u00a0\u00farovni dne\u0161n\u00edch technologi\u00ed, ale op\u00edr\u00e1 se o re\u00e1ln\u00e9 z\u00e1klady.<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p class=\"western\">Za zhruba miliardu let za\u010dne Slunci doch\u00e1zet palivo a postupn\u011b se zm\u011bn\u00ed v \u010derven\u00e9ho obra. Oce\u00e1ny i atmosf\u00e9ra Zem\u011b se vypa\u0159\u00ed a zbytek planety bude viset na vl\u00e1sku. Pak z b\u00fdval\u00e9ho Slunce z\u016fstane jen \u017ehnouc\u00ed pecka v podob\u011b b\u00edl\u00e9ho trpasl\u00edka. Podle Harryho ale existuje zp\u016fsob, jak by pozemsk\u00fd \u017eivot mohl tomuto osudu uniknout. A co je je\u0161t\u011b pozoruhodn\u011bj\u0161\u00ed, ani bychom pr\u00fd kv\u016fli tomu nemuseli opustit Zemi. Sta\u010dilo by vybudovat n\u011bkolik (nesm\u00edrn\u011b ambici\u00f3zn\u00edch) ochrann\u00fdch syst\u00e9m\u016f.<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p><a rel=\"clanek nofollow noopener\" href=\"https:\/\/www.osel.cz\/popisek.php?popisek=44983&amp;img=the-life-cycle-of-a-sun-like-star-annotated.jpeg\" target=\"_blank\"><img decoding=\"async\" title=\"Evoluce hv\u011bzdy typu Slunce. Kredit: ESO\/M. Kornmesser, Wikimedia Commons, CC BY-SA 4.0.\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/08\/s_the-life-cycle-of-a-sun-like-star-annotated.jpeg\" alt=\"Evoluce hv\u011bzdy typu Slunce. Kredit: ESO\/M. Kornmesser, Wikimedia Commons, CC BY-SA 4.0.\"\/><\/a><\/p>\n<p>Evoluce hv\u011bzdy typu Slunce. Kredit: ESO\/M. Kornmesser, Wikimedia Commons, CC BY-SA 4.0.<\/p>\n<p>Prvn\u00edm probl\u00e9mem je Slunce. Jeho \u017e\u00e1r by bylo mo\u017en\u00e9 odst\u00ednit gigantick\u00fd slune\u010dn\u00edm \u0161t\u00edtem. Do Lagrangeova bodu L1 bychom um\u00edstili t\u011b\u017ek\u00e9 z\u00e1va\u017e\u00ed, k\u00a0nim\u017e by byl na dlouh\u00e9 kabelu um\u00edst\u011bn\u00fd \u0161t\u00edt, t\u011bsn\u011b za ob\u011b\u017enou dr\u00e1hou M\u011bs\u00edce. K v\u00fdrob\u011b dvoumilionov\u00e9ho kilometrov\u00e9ho uhl\u00edkov\u00e9ho lana o d\u00e9lce 2 miliony kilometr\u016f by podle Harryho sta\u010dilo vyt\u011b\u017eit asi 40 % trpasli\u010d\u00ed planety Ceres, zat\u00edmco hlin\u00edkov\u00fd \u0161t\u00edt o polom\u011bru 350 000 kilometr\u016f by si vy\u017e\u00e1dal pouh\u00fdch 0,01 % hmotnosti M\u011bs\u00edce.<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p class=\"western\">Odst\u00edn\u011bn\u00e9 slune\u010dn\u00ed z\u00e1\u0159en\u00ed bychom museli n\u011bjak nahradit. Plynn\u00ed ob\u0159i Slune\u010dn\u00ed soustavy jsou vlastn\u011b planet\u00e1rn\u00edmi n\u00e1dr\u017eemi pln\u00fdmi paliva pro jadernou f\u00fazi. Obsahuj\u00ed dostatek vod\u00edku a helia na to, aby Zemi z\u00e1sobovali energi\u00ed po dobu p\u0159ibli\u017en\u011b 9,1 biliardy let. F\u00fazn\u00ed reaktory vzn\u00e1\u0161ej\u00edc\u00ed se asi 6 500 kilometr\u016f pod horn\u00ed hranic\u00ed atmosf\u00e9ry Jupiteru by mohly nas\u00e1vat vod\u00edk a helium-4 p\u0159\u00edmo z okoln\u00edho prost\u0159ed\u00ed a vyr\u00e1b\u011bt energii, kterou by megalaser o pr\u016fm\u011bru p\u0159ibli\u017en\u011b 15 kilometr\u016f pos\u00edlal p\u0159es soustavu p\u0159enosov\u00fdch stanic a\u017e na zemsk\u00fd povrch.<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p><a rel=\"clanek nofollow noopener\" href=\"https:\/\/www.osel.cz\/popisek.php?popisek=44984&amp;img=corot-7b1280.jpeg\" target=\"_blank\"><img decoding=\"async\" title=\"P\u0159e\u017eila by Zem\u011b \u010derven\u00e9ho obra: Kredit: ESO\/L. Cal\u00e7ada.\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/08\/s_corot-7b1280.jpeg\" alt=\"P\u0159e\u017eila by Zem\u011b \u010derven\u00e9ho obra: Kredit: ESO\/L. Cal\u00e7ada.\"\/><\/a><\/p>\n<p>P\u0159e\u017eila by Zem\u011b \u010derven\u00e9ho obra: Kredit: ESO\/L. Cal\u00e7ada.<\/p>\n<p>Ani zast\u00edn\u011bn\u00ed Slunce by ale nesta\u010dilo. Museli bychom posunout Zemi na vzd\u00e1len\u011bj\u0161\u00ed ob\u011b\u017enou dr\u00e1hu. Jednou z\u00a0mo\u017enost\u00ed by podle Harryho bylo t\u011b\u017eit kysl\u00edk z Jupiteru a vys\u00edlat kolem Zem\u011b \u00fazk\u00fd proud \u010d\u00e1stic. Celkov\u00e1 hmotnost tohoto proudu by odpov\u00eddala p\u0159ibli\u017en\u011b polovin\u011b mno\u017estv\u00ed vody, kter\u00e9 ka\u017edou sekundu odt\u00e9k\u00e1 z Amazonky. Gravita\u010dn\u00ed efekt takov\u00e9ho proudu by odsouval Zemi na vzd\u00e1len\u011bj\u0161\u00ed orbitu a samotn\u00fd proud by byl bezpe\u010dn\u00fd, i kdyby t\u0159eba omylem zas\u00e1hl Zemi.<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p class=\"western\">V pr\u016fb\u011bhu miliard let tak\u00e9 za\u010dne sl\u00e1bnout geologick\u00e1 aktivita Zem\u011b. Ustane deskov\u00e1 tektonika, p\u0159estanou vznikat poho\u0159\u00ed a zastav\u00ed se recyklace \u017eivin, kter\u00e1 je z\u00e1sadn\u00ed pro dlouhodob\u00e9 fungov\u00e1n\u00ed biosf\u00e9ry. Pro udr\u017een\u00ed p\u0159\u00edv\u011btiv\u00e9 Zem\u011b by bylo nutn\u00e9 deskovou tektoniku udr\u017eet p\u0159i \u017eivot\u011b. Harry doporu\u010duje vyr\u00e1b\u011bt antihmotu a pos\u00edlat ji vrtem do zemsk\u00e9ho j\u00e1dra. Podle jeho v\u00fdpo\u010dt\u016f by sta\u010dily 2 kilogramy antihmoty denn\u011b.<\/p>\n<p class=\"western\">Harry je galaktick\u00fd izolacionista a navrhuje, \u017ee bychom rad\u011bji m\u011bli z\u016fstat a zvelebovat Zemi se Slune\u010dn\u00ed soustavou ne\u017e se toulat po Ml\u00e9\u010dn\u00e9 dr\u00e1ze. Tvrd\u00ed, \u017ee je to ekonomicky v\u00fdhodn\u011bj\u0161\u00ed a \u017ee je to bezpe\u010dn\u011bj\u0161\u00ed, proto\u017ee nov\u011b kolonizovan\u00e9 sv\u011bty by si mohly vyvinout sv\u00e9 kultury, n\u00e1rody a st\u00e1ty, kter\u00e9 by nemusely b\u00fdt p\u0159\u00e1telsk\u00e9 v\u016f\u010di Zemi. Hrozby vym\u0159en\u00ed se o\u010dividn\u011b neob\u00e1v\u00e1. Co mysl\u00edte vy?<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p class=\"western\">Video: Artist\u2019s animation of the Sun becoming a red giant<\/p>\n<p class=\"western\">\n<p class=\"western\">\u00a0<\/p>\n<p class=\"western\">Literatura<\/p>\n<p class=\"western\"><a href=\"https:\/\/phys.org\/news\/2026-08-earth-habitable-sun-dies.html\" rel=\"nofollow noopener\" target=\"_blank\">Phys.org 3. 8. 2026.<\/a><\/p>\n<p class=\"western\"><a href=\"https:\/\/arxiv.org\/abs\/2607.13084\" rel=\"nofollow noopener\" target=\"_blank\">arXiv:2607.13084.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Slunce tu nebude v\u011b\u010dn\u011b. Co bychom m\u011bli d\u011blat, a\u017e sp\u00e1l\u00ed sv\u00e9 hv\u011bzdn\u00e9 palivo, a my tady je\u0161t\u011b budeme?&hellip;\n","protected":false},"author":2,"featured_media":169475,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[13],"tags":[41627,41626,5367,74,73,78,75,77,76],"class_list":["post-169474","post","type-post","status-publish","format-standard","has-post-thumbnail","category-veda-a-technika","tag-bily-trpaslik","tag-cerveny-obr","tag-mars","tag-science","tag-science-technology","tag-technika","tag-technology","tag-veda","tag-veda-a-technika"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/117043385122996447","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/169474","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=169474"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/169474\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/169475"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=169474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=169474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=169474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}