{"id":186,"date":"2021-12-02T12:48:59","date_gmt":"2021-12-02T11:48:59","guid":{"rendered":"https:\/\/kids.esa.int\/spot_the_asteroids3\/"},"modified":"2026-10-08T00:25:15","modified_gmt":"2026-10-07T22:25:15","slug":"spot_the_asteroids3","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/cs\/spot_the_asteroids3\/","title":{"rendered":"Najd\u011bte asteroidy!"},"content":{"rendered":"<div class=\"lede\">\n<p>P\u0159em\u00fd\u0161leli jste n\u011bkdy nad t\u00edm, jak\u00e9 to je b\u00fdt profesion\u00e1ln\u00edm astronomem a prohled\u00e1vat data z kosmick\u00fdch sond v nad\u011bji, \u017ee objev\u00edte nov\u00e9 sv\u011bty? Tak te\u010f m\u00e1te \u0161anci p\u00e1trat po asteroidech stejn\u011b jako astronomov\u00e9!<\/p>\n<\/div>\n<p>Tento kr\u00e1tk\u00fd film nato\u010dila japonsk\u00e1 vesm\u00edrn\u00e1 observato\u0159 AKARI. Zachycuje asteroid Itokawa ob\u00edhaj\u00edc\u00ed v bl\u00edzkosti Zem\u011b \u2013 tu jasnou skvrnu pobl\u00ed\u017e st\u0159edu \u2013 tak, jak jej zachytila infra\u010derven\u00e1 kamera sondy AKARI. O relativn\u00ed bl\u00edzkosti asteroidu k Zemi sv\u011bd\u010d\u00ed jeho rychl\u00fd pohyb b\u011bhem 12 minut. Jeho jas souvis\u00ed tak\u00e9 s jeho infra\u010derven\u00fdm (tepeln\u00fdm) vyza\u0159ov\u00e1n\u00edm. (\u00dadaje tohoto druhu se pou\u017e\u00edvaj\u00ed k lep\u0161\u00edmu odhadu velikosti asteroid\u016f, kter\u00e9 by se jednoho dne mohly ocitnout na kolizn\u00edm kurzu se Zem\u00ed.)<\/p>\n<p>Itokawa nen\u00ed jedin\u00fdm vesm\u00edrn\u00fdm t\u011blesem v tomto videu. Objevuj\u00ed se zde tak\u00e9 dva mnohem slab\u011bji viditeln\u00e9 asteroidy, kter\u00e9 se pomalu pohybuj\u00ed po obloze. Jeden z nich ob\u00edh\u00e1 podobn\u00fdm sm\u011brem jako Itokawa. M\u00e1te dostatek trp\u011blivosti a schopnost\u00ed, abyste je na\u0161li? Vezm\u011bte na v\u011bdom\u00ed, \u017ee hv\u011bzdy ve videu vypadaj\u00ed, jako by blikaly. Sn\u00edmky v tomto videu jsou nezpracovan\u00e9, takov\u00e9, jak\u00e9 pou\u017e\u00edvaj\u00ed samotn\u00ed astronomov\u00e9 pro v\u00fdzkum. Jsou na nich jasn\u011b vid\u011bt \u010detn\u00e9 \u0161kr\u00e1bance a pruhy zp\u016fsoben\u00e9 kosmick\u00fdm z\u00e1\u0159en\u00edm a dal\u0161\u00edmi jevy.<\/p>\n<p>V dob\u011b po\u0159\u00edzen\u00ed z\u00e1b\u011bru, 26. \u010dervence 2021, se Itokawa nach\u00e1zel v souhv\u011bzd\u00ed \u0160t\u00edra. Asteroid a Zem\u011b byly tehdy nejbl\u00ed\u017ee k sob\u011b, vzd\u00e1len\u00e9 od sebe asi 42 milion\u016f km. (Pro srovn\u00e1n\u00ed: Zem\u011b je od Slunce vzd\u00e1lena 150 milion\u016f km.)<\/p>\n<p>Zkontrolujte si sv\u00e9 odpov\u011bdi<\/p>","protected":false},"excerpt":{"rendered":"<p>Have you ever wondered what it is like to be a professional astronomer, searching through spacecraft data in search of new worlds? Well, here\u2019s your chance to hunt for asteroids [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2007\/08\/motion_of_itokawa\/17872114-2-eng-GB\/Motion_of_Itokawa.png","esa_banner_description":"Motion of Itokawa","esa_banner_credit":"JAXA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2007\/08\/Motion_of_Itokawa","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[46,10,11],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-186","post","type-post","status-publish","format-standard","hentry","category-comets-and-meteors","category-learn","category-our-universe","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/comments?post=186"}],"version-history":[{"count":2,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/186\/revisions"}],"predecessor-version":[{"id":3942,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/186\/revisions\/3942"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=186"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=186"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=186"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=186"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=186"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=186"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=186"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}