{"id":4746,"date":"2022-02-09T23:13:53","date_gmt":"2022-02-09T22:13:53","guid":{"rendered":"https:\/\/prahaskolska-backup.200.solutions.uvirt120.active24.cz\/?p=4746"},"modified":"2022-02-09T23:13:54","modified_gmt":"2022-02-09T22:13:54","slug":"webbuv-teleskop-dorazil-k-mistu-destinace-na-prvni-fotky-si-pockame-mesice","status":"publish","type":"post","link":"https:\/\/prahaskolska-backup.200.solutions\/?p=4746","title":{"rendered":"Webb\u016fv teleskop dorazil k m\u00edstu destinace, na prvn\u00ed fotky si po\u010dk\u00e1me m\u011bs\u00edce"},"content":{"rendered":"\n<p><strong>Vesm\u00edrn\u00fd teleskop Jamese Webba p\u0159ed ned\u00e1vnem dorazil na sv\u00e9 ur\u010den\u00e9 m\u00edsto.<\/strong> <strong>Trvalo mu to zhruba m\u011bs\u00edc<\/strong>,<strong> p\u0159i\u010dem\u017e urazil vzd\u00e1lenost 1,5 milionu kilometr\u016f.<\/strong> <strong>V\u011bdeck\u00fd t\u00fdm si d\u011blal starosti, zda se teleskopu po cest\u011b nic nep\u0159ihod\u00ed,<\/strong> <strong>ale ve\u0161ker\u00e9 p\u0159\u00edpravy zd\u00e1nliv\u011b prob\u011bhly podle pl\u00e1nu.<\/strong><\/p>\n\n\n\n<p>Pomoc\u00ed tohoto za\u0159\u00edzen\u00ed budeme schopni sledovat v\u00fdvoj vesm\u00edru a\u017e 13,5 miliardy let dozadu. \"P\u016fsob\u00ed to jako bychom m\u011bli 14 miliard let star\u00fd p\u0159\u00edb\u011bh vesm\u00edru, ale chyb\u00ed n\u00e1m prvn\u00ed kapitola,\" \u0159ekla astrofyzi\u010dka Amber Straughnov\u00e1 Scottu Pelleymu v rozhovoru pro po\u0159ad \"60 minut\". \"Webb byl speci\u00e1ln\u011b navr\u017een tak, aby n\u00e1m umo\u017enil vid\u011bt ty \u00fapln\u011b prvn\u00ed galaxie, kter\u00e9 vznikly po velk\u00e9m t\u0159esku.\"<\/p>\n\n\n\n<p>Teleskop je sice na sv\u00e9m m\u00edst\u011b, ale st\u00e1le mus\u00ed naaran\u017eovat 18 pozlacen\u00fdch zrcadel do takov\u00e9 pozice, aby mohl vytv\u00e1\u0159et fotografie. Zlato je pr\u00fd nejlep\u0161\u00ed materi\u00e1l co se t\u00fd\u010de odrazivosti infra\u010derven\u00e9ho sv\u011btla, kter\u00e9 teleskop vyu\u017e\u00edv\u00e1, a a\u010dkoliv ho lidsk\u00e9 oko nem\u00e1 mo\u017enost rozeznat, ve vesm\u00edru se ukazuje jako velmi d\u016fle\u017eit\u00e9, jeliko\u017e d\u00edky n\u011bmu bude Webb\u016fv teleskop schopen zachytit a\u017e 100x drobn\u011bj\u0161\u00ed objekty ne\u017e jeho p\u0159edch\u016fdce, Hubble\u016fv teleskop. Tento proces m\u00e1 pr\u00fd zabrat n\u011bkolik m\u011bs\u00edc\u016f a prvn\u00edch v\u00fdsledk\u016f se do\u010dk\u00e1me nejd\u0159\u00edve v l\u00e9t\u011b.<\/p>\n\n\n\n<p>Um\u00edst\u011bn je v libra\u010dn\u00edm bod\u011b L2, kter\u00fd se jev\u00ed jako nejlep\u0161\u00ed m\u00edsto, proto\u017ee se zde vyrovn\u00e1vaj\u00ed gravita\u010dn\u00ed a odst\u0159ediv\u00e9 s\u00edly v syst\u00e9mu Zem\u011b a Slunce. Na tomto m\u00edst\u011b se tak\u00e9 nach\u00e1z\u00ed astrometrick\u00e1 sonda Gaia a p\u0159ed p\u00e1r lety tam byl vysl\u00e1n Planck\u016fv dalekohled, kter\u00fd se ji\u017e vr\u00e1til na Zemi. \"Teleskop nebude p\u0159\u00edmo v tom bod\u011b, ale bude okolo n\u011bj ob\u00edhat a spolu s t\u00edm bude ob\u00edhat se stejnou \u00fahlovou rychlost\u00ed okolo Slunce jako Zem\u011b,\u201c vysv\u011btluje astrofyzik Ji\u0159\u00ed Svoboda z Astronomick\u00e9ho \u00fastavu Akademie v\u011bd.<\/p>\n\n\n\n<p>Hlavn\u00ed c\u00edl v\u00fdzkumn\u00e9ho t\u00fdmu je zkoum\u00e1n\u00ed tvorby exoplanet, z jak\u00fdch jsou tvo\u0159eny materi\u00e1l\u016f a zda jsou obyvateln\u00e9. Je v\u0161ak velmi pravd\u011bpodobn\u00e9, \u017ee se t\u00fdmu poda\u0159\u00ed nal\u00e9zt i jin\u00e9 pozoruhodn\u00e9 jevy. Webb\u016fv teleskop je toti\u017e od sv\u00e9ho p\u0159edch\u016fdce tak\u00e9 v\u00fdrazn\u011b v\u00fdkonn\u011bj\u0161\u00ed, um\u00ed tvo\u0159it fotografie m\u00edst vzd\u00e1len\u00fdch o stovky milion\u016f sv\u011bteln\u00fdch let d\u00e1le. Teoreticky by m\u011bl b\u00fdt schopen zaznamenat teplo vych\u00e1zej\u00edc\u00ed z jedin\u00e9ho \u010dmel\u00e1ka na vzd\u00e1lenost mezi Zem\u00ed a M\u011bs\u00edcem. Jedin\u00fdm probl\u00e9mem je fakt, \u017ee v takov\u00e9 d\u00e1lce od Zem\u011b ho zat\u00edm nem\u016f\u017eeme opravovat a dopl\u0148ovat mu palivo, tud\u00ed\u017e m\u00e1 omezenou \u017eivotnost. In\u017een\u00fdr Mike Menzel, kter\u00fd se star\u00e1 o syst\u00e9my mise, k tomu \u0159ekl: \"Zhruba \u0159e\u010deno je to asi 20 let.\"<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vesm\u00edrn\u00fd teleskop Jamese Webba p\u0159ed ned\u00e1vnem dorazil na sv\u00e9 ur\u010den\u00e9 m\u00edsto. Trvalo mu to zhruba m\u011bs\u00edc, p\u0159i\u010dem\u017e urazil vzd\u00e1lenost 1,5 milionu kilometr\u016f. V\u011bdeck\u00fd t\u00fdm si d\u011blal starosti, zda se teleskopu [&hellip;]<\/p>\n","protected":false},"author":25,"featured_media":4788,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[64,46,48],"tags":[8],"class_list":["post-4746","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktualni-deni","category-studentske-zpravodajstvi","category-technologie","tag-rodic-zak"],"acf":[],"gutentor_comment":0,"_links":{"self":[{"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/4746","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4746"}],"version-history":[{"count":3,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/4746\/revisions"}],"predecessor-version":[{"id":4789,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/4746\/revisions\/4789"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/media\/4788"}],"wp:attachment":[{"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4746"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4746"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}