{"id":34669,"date":"2026-03-24T22:36:11","date_gmt":"2026-03-24T22:36:11","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/34669\/"},"modified":"2026-03-24T22:36:11","modified_gmt":"2026-03-24T22:36:11","slug":"kolem-zeme-proleti-vesmirny-obr-bude-bliz-nez-druzice-aktualne-cz","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/34669\/","title":{"rendered":"Kolem Zem\u011b prolet\u00ed vesm\u00edrn\u00fd obr, bude bl\u00ed\u017e ne\u017e dru\u017eice \u2013 Aktu\u00e1ln\u011b.cz"},"content":{"rendered":"

Asteroid Apophis, kter\u00fd m\u00e1 tvar ara\u0161\u00eddu a velikost zhruba jako plocha spartaki\u00e1dn\u00edho stadionu na Strahov\u011b, prosvi\u0161t\u00ed kolem Zem\u011b v takov\u00e9 bl\u00edzkosti, \u017ee se dostane pod dr\u00e1hu televizn\u00edch satelit\u016f. Zapome\u0148te na sc\u00e9n\u00e1\u0159e z Armageddonu \u2013 v\u011bdci tentokr\u00e1t necht\u011bj\u00ed t\u011bleso odp\u00e1lit, ale p\u0159ist\u00e1t na n\u011bm a v p\u0159\u00edm\u00e9m p\u0159enosu sledovat, co se bude d\u00edt p\u0159i tak bl\u00edzk\u00e9m pr\u016fletu.<\/p>\n

Pr\u00e1v\u011b t\u00e9to jedine\u010dn\u00e9 p\u0159\u00edle\u017eitosti chce vyu\u017e\u00edt tak\u00e9 americk\u00e1 soukrom\u00e1 kosmick\u00e1 spole\u010dnost ExLabs. Jej\u00ed pl\u00e1novan\u00e1 mise m\u00e1 odstartovat v roce 2028 a dopravit k asteroidu a\u017e deset r\u016fzn\u00fdch experiment\u016f a sond od r\u016fzn\u00fdch spole\u010dnost\u00ed. Mate\u0159sk\u00e1 kosmick\u00e1 lo\u010f u\u017e \u00fasp\u011b\u0161n\u011b pro\u0161la d\u016fle\u017eitou kontroln\u00ed f\u00e1z\u00ed projektu a sm\u011b\u0159uje k pl\u00e1novan\u00e9mu startu.<\/p>\n

Sou\u010d\u00e1st\u00ed mise budou tak\u00e9 dva mal\u00e9 p\u0159ist\u00e1vac\u00ed moduly \u2013 landery velikosti krabice od bot. Jeden vyv\u00edjej\u00ed v\u00fdzkumn\u00edci japonsk\u00e9ho Chiba Institute of Technology, kde na jeho v\u00fdvoji spolupracuj\u00ed i studenti. Druh\u00fd poch\u00e1z\u00ed od zat\u00edm nezn\u00e1m\u00e9ho partnera. Landery se vypust\u00ed z v\u00fd\u0161ky asi 400 metr\u016f nad povrchem Apophisu a budou klesat extr\u00e9mn\u011b pomalu \u2013 rychlost\u00ed zhruba 10 centimetr\u016f za sekundu. B\u011bhem p\u0159ibli\u017en\u011b hodinov\u00e9ho sestupu budou po\u0159izovat sn\u00edmky a po dosednut\u00ed za\u010dnou zkoumat strukturu a slo\u017een\u00ed asteroidu.<\/p>\n

\u201eC\u00edlem je z\u00edskat sn\u00edmky p\u0159\u00edmo z povrchu asteroidu. M\u016f\u017ee z toho vzej\u00edt opravdu vzru\u0161uj\u00edc\u00ed v\u011bda,\u201c vysv\u011btlil Miguel Pascual, <\/a>spoluzakladatel a hlavn\u00ed v\u011bdeck\u00fd pracovn\u00edk ExLabs. P\u0159ist\u00e1n\u00ed se pl\u00e1nuje p\u0159ibli\u017en\u011b t\u00fdden po pr\u016fletu kolem Zem\u011b, aby se minimalizovalo jak\u00e9koli riziko ovlivn\u011bn\u00ed dr\u00e1hy asteroidu.<\/p>\n

Revoluce v pr\u016fzkumu hlubok\u00e9ho vesm\u00edru?<\/p>\n

N\u011bkte\u0159\u00ed misi ozna\u010duj\u00ed za prvn\u00ed komer\u010dn\u00ed \u201erideshare\u201c do hlubok\u00e9ho vesm\u00edru. Podobn\u011b jako sd\u00edlen\u00e9 lety satelit\u016f na ob\u011b\u017enou dr\u00e1hu m\u00e1 umo\u017enit v\u00edce experiment\u016fm vyu\u017e\u00edt jednu spole\u010dnou kosmickou lo\u010f. Projekt podporuje i Laborato\u0159 proudov\u00e9ho pohonu NASA (Jet Propulsion Laboratory). C\u00edlem je dramaticky sn\u00ed\u017eit n\u00e1klady na mise k asteroid\u016fm, kter\u00e9 dosud st\u00e1ly miliardy dolar\u016f a byly v\u00fdhradn\u011b dom\u00e9nou velk\u00fdch st\u00e1tn\u00edch agentur.<\/p>\n

\u201eSna\u017e\u00edme se p\u0159ekonat bari\u00e9ry, kter\u00e9 dosud dr\u017eely pr\u016fzkum hlubok\u00e9ho vesm\u00edru jen v rukou nejv\u011bt\u0161\u00edch kosmick\u00fdch agentur,\u201c \u0159\u00edk\u00e1 viceprezidentka pro v\u00fdvoj mis\u00ed v ExLabs a b\u00fdval\u00e1 v\u011bdkyn\u011b NASA Keiko Nakamura-Messenger.<\/p>\n

\"Apophos\"<\/p>\n

V p\u00e1tek 13. dubna 2029 se k Zemi velmi t\u011bsn\u011b p\u0159ibl\u00ed\u017e\u00ed proslul\u00fd asteroid Apophis. Prolet\u00ed ve vzd\u00e1lenosti men\u0161\u00ed ne\u017e 32 000 kilometr\u016f a pro mnoho lid\u00ed v Evrop\u011b a Africe bude viditeln\u00fd pouh\u00fdm okem.Foto: ESA<\/p>\n

Podle n\u00ed po cel\u00e9m sv\u011bt\u011b existuj\u00ed des\u00edtky \u0161pi\u010dkov\u00fdch p\u0159\u00edstroj\u016f, kter\u00e9 nikdy nelet\u011bly do vesm\u00edru \u2013 nap\u0159\u00edklad z\u00e1lo\u017en\u00ed experimenty zru\u0161en\u00fdch mis\u00ed nebo projekty univerzitn\u00edch t\u00fdm\u016f. \u201eBudujeme cenov\u011b dostupnou platformu, kter\u00e1 t\u011bmto p\u0159\u00edstroj\u016fm otev\u0159e cestu do vnit\u0159n\u00ed \u010d\u00e1sti slune\u010dn\u00ed soustavy.\u201c<\/p>\n

Zlep\u0161en\u00ed schopnosti br\u00e1nit Zemi<\/p>\n

O Apophis se ale nezaj\u00edmaj\u00ed jen komer\u010dn\u00ed firmy. Mimo jin\u00e9 Evropsk\u00e1 kosmick\u00e1 agentura p\u0159ipravuje misi Ramses (Rapid Apophis Mission for Space Safety), kter\u00e1 bude asteroid doprov\u00e1zet b\u011bhem jeho pr\u016fletu kolem Zem\u011b.<\/p>\n

V\u011bdci cht\u011bj\u00ed sledovat, jak zemsk\u00e1 gravitace zm\u011bn\u00ed jeho strukturu – nap\u0159\u00edklad zda vyvol\u00e1 sesuvy materi\u00e1lu na povrchu. \u201eTato zji\u0161t\u011bn\u00ed pomohou zlep\u0161it na\u0161i schopnost br\u00e1nit Zemi p\u0159ed podobn\u00fdmi objekty, kter\u00e9 bychom v\u00a0budoucnu mohli nal\u00e9zt na kolizn\u00ed trajektorii,\u201c uv\u00e1d\u00ed ESA<\/a>. Agentura nav\u00edc vybrala \u0161pan\u011blskou spole\u010dnost Emxys, aby vyvinula satelit CubeSat, kter\u00fd vy\u0161le v r\u00e1mci mise k asteroidu. Sonda by se tak\u00e9 m\u011bla pokusit o p\u0159ist\u00e1n\u00ed.<\/p>\n

\u201eP\u0159ist\u00e1n\u00ed na asteroidu je velmi n\u00e1ro\u010dn\u00e9,\u201c \u0159\u00edk\u00e1 Paolo Martino<\/a>, projektov\u00fd mana\u017eer mise Ramses. \u201eJeho nepravideln\u00fd tvar a povrchov\u00e9 vlastnosti zt\u011b\u017euj\u00ed nalezen\u00ed stabiln\u00edho m\u00edsta pro p\u0159ist\u00e1n\u00ed a velmi slab\u00e1 gravitace komplikuje setrv\u00e1n\u00ed na povrchu bez odra\u017een\u00ed a odplut\u00ed pry\u010d.\u201c<\/p>\n

Asteroid, kter\u00fd kdysi budil obavy<\/p>\n

Asteroid Apophis v\u011bdci objevili v roce 2004 a m\u011b\u0159\u00ed p\u0159ibli\u017en\u011b 340 a\u017e 375 metr\u016f. Na po\u010d\u00e1tku vyvolal zna\u010dnou pozornost, proto\u017ee prvn\u00ed v\u00fdpo\u010dty nazna\u010dovaly a\u017e 2,7procentn\u00ed pravd\u011bpodobnost sr\u00e1\u017eky se Zem\u00ed v roce 2029. Takov\u00fd n\u00e1raz by dok\u00e1zal zni\u010dit oblast o velikosti velk\u00e9ho m\u011bsta.<\/p>\n

Pozd\u011bj\u0161\u00ed a p\u0159esn\u011bj\u0161\u00ed m\u011b\u0159en\u00ed v\u0161ak sc\u00e9n\u00e1\u0159 katastrofy vylou\u010dila. Astronomov\u00e9 dnes potvrzuj\u00ed, \u017ee Apophis na\u0161i planetu nejm\u00e9n\u011b dal\u0161\u00edch sto let nezas\u00e1hne. P\u0159esto bude jeho pr\u016flet mimo\u0159\u00e1dn\u00fd – 13. dubna 2029 prolet\u00ed kolem Zem\u011b ve vzd\u00e1lenosti pouh\u00fdch 32 tis\u00edc kilometr\u016f, tedy bl\u00ed\u017ee ne\u017e geostacion\u00e1rn\u00ed dru\u017eice sleduj\u00edc\u00ed po\u010das\u00ed. <\/p>\n

Pro srovn\u00e1n\u00ed: to je desetkr\u00e1t bl\u00ed\u017ee ne\u017e M\u011bs\u00edc. Podle astronom\u016f se takto velk\u00fd objekt k Zemi p\u0159ibl\u00ed\u017e\u00ed pouze jednou za p\u011bt a\u017e deset tis\u00edc let.\u00a0M\u011bl by b\u00fdt vid\u011bt pouh\u00fdm okem pro zhruba dv\u011b miliardy lid\u00ed v Evrop\u011b, Africe a \u010d\u00e1sti Asie.<\/p>\n

Video: NASA letos v dubnu uk\u00e1zala, co sondy na Marsu skute\u010dn\u011b vid\u00ed<\/p>\n

Zdroje: New Scientist<\/a>, ESA<\/a>, NASA<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Asteroid Apophis, kter\u00fd m\u00e1 tvar ara\u0161\u00eddu a velikost zhruba jako plocha spartaki\u00e1dn\u00edho stadionu na Strahov\u011b, prosvi\u0161t\u00ed kolem Zem\u011b…\n","protected":false},"author":2,"featured_media":34670,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[1541,74,73,78,75,77,76,1540,6293],"class_list":{"0":"post-34669","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-veda-a-technika","8":"tag-asteroid","9":"tag-science","10":"tag-science-technology","11":"tag-technika","12":"tag-technology","13":"tag-veda","14":"tag-veda-a-technika","15":"tag-vesmir","16":"tag-zeme"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116286546460123719","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/34669","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=34669"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/34669\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/34670"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=34669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=34669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=34669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}