{"id":705,"date":"2012-10-29T08:57:00","date_gmt":"2012-10-29T07:57:00","guid":{"rendered":"https:\/\/kids.esa.int\/new_satellite_to_study_alien_planets\/"},"modified":"2026-10-08T00:31:20","modified_gmt":"2026-10-07T22:31:20","slug":"new_satellite_to_study_alien_planets","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/cs\/new_satellite_to_study_alien_planets\/","title":{"rendered":"Nov\u00fd satelit pro v\u00fdzkum mimozemsk\u00fdch planet"},"content":{"rendered":"
\n

Ze Zem\u011b m\u016f\u017eeme n\u011bkdy pozorovat Venu\u0161i a Merkur jako \u010dern\u00e9 skvrny, kter\u00e9 p\u0159ech\u00e1zej\u00ed p\u0159es Slunce. B\u011bhem t\u011bchto jev\u016f \u2013 naz\u00fdvan\u00fdch tranzity \u2013 planeta zakryje nepatrn\u00e9 mno\u017estv\u00ed sv\u011btla, \u010d\u00edm\u017e se Slunce jev\u00ed o n\u011bco slab\u0161\u00ed. Podobn\u00e9 jevy ztmavnut\u00ed mohou b\u00fdt zp\u016fsobeny exoplanetami \u2013 sv\u011bty, kter\u00e9 ob\u00edhaj\u00ed kolem vzd\u00e1len\u011bj\u0161\u00edch hv\u011bzd. ESA se nyn\u00ed rozhodla p\u0159ipravit novou v\u011bdeckou misi zam\u011b\u0159enou na hled\u00e1n\u00ed t\u011bchto tranzit\u016f.<\/p>\n<\/div>\n

Mise zn\u00e1m\u00e1 pod n\u00e1zvem CHEOPS (zkratka pro CHaracterising ExOPlanets Satellite) by m\u011bla b\u00fdt vypu\u0161t\u011bna v roce 2017. Zam\u011b\u0159\u00ed se na jasn\u00e9, bl\u00edzk\u00e9 hv\u011bzdy, o nich\u017e je ji\u017e zn\u00e1mo, \u017ee je ob\u00edhaj\u00ed n\u011bkter\u00e9 planety. Sonda bude s vysokou p\u0159esnost\u00ed sledovat jas ka\u017ed\u00e9 hv\u011bzdy a hledat charakteristick\u00e9 zn\u00e1mky tranzitu.<\/p>\n

\"Planet
Pr\u016fchod planety p\u0159ed hv\u011bzdou<\/figcaption><\/figure>\n

Podrobn\u00e1 anal\u00fdza zm\u011bn v p\u0159ich\u00e1zej\u00edc\u00edm hv\u011bzdn\u00e9m sv\u011btle umo\u017en\u00ed velmi p\u0159esn\u00e9 zm\u011b\u0159ov\u00e1n\u00ed pr\u016fm\u011bru ka\u017ed\u00e9 tranzituj\u00edc\u00ed planety. U planet se zn\u00e1mou hmotnost\u00ed bude mo\u017en\u00e9 vypo\u010d\u00edtat jejich hustotu, co\u017e poskytne vod\u00edtka k jejich vnit\u0159n\u00ed struktu\u0159e.<\/p>\n

Znalost velikost\u00ed a hmotnost\u00ed exoplanet pom\u016f\u017ee v\u011bdc\u016fm pochopit vznik planet od t\u011bles o hmotnosti n\u011bkolikr\u00e1t v\u011bt\u0161\u00ed ne\u017e Zem\u011b \u2013 tzv. \u2019superzem\u00ed\u2018 \u2013 a\u017e po sv\u011bty o velikosti Neptunu. D\u00edky tomu bude tak\u00e9 mo\u017en\u00e9 identifikovat planety s rozs\u00e1hl\u00fdmi atmosf\u00e9rami, kter\u00e9 budou ide\u00e1ln\u00edmi c\u00edli pro podrobn\u011bj\u0161\u00ed v\u00fdzkum pomoc\u00ed teleskop\u016f nov\u00e9 generace. Mezi n\u011b pat\u0159\u00ed pozemn\u00ed Evropsk\u00fd extr\u00e9mn\u011b velk\u00fd teleskop (European Extremely Large Telescope) a vesm\u00edrn\u00fd teleskop Jamese Webba.<\/p>\n

Satelit CHEOPS vyv\u00edj\u00ed Evropsk\u00e1 kosmick\u00e1 agentura (ESA) ve spolupr\u00e1ci se \u0160v\u00fdcarskem, p\u0159i\u010dem\u017e se na projektu pod\u00edlej\u00ed i n\u011bkter\u00e9 dal\u0161\u00ed \u010dlensk\u00e9 st\u00e1ty ESA. Satelit bude ob\u00edhat na t\u00e9m\u011b\u0159 pol\u00e1rn\u00ed ob\u011b\u017en\u00e9 dr\u00e1ze ve v\u00fd\u0161ce p\u0159ibli\u017en\u011b 800 km nad Zem\u00ed a jeho provoz bude trvat 3 a p\u016fl roku.<\/p>","protected":false},"excerpt":{"rendered":"

From Earth, we can sometimes see Venus and Mercury as black spots passing across the Sun. During such events \u2013 called transits – the planet blocks a tiny amount of […]<\/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\/2012\/10\/artist_impression_of_cheops2\/17900088-2-eng-GB\/Artist_impression_of_Cheops.jpg","esa_banner_description":"Artist impression of Cheops","esa_banner_credit":"University of Bern","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/10\/Artist_impression_of_Cheops2","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":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-705","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/705","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=705"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/705\/revisions"}],"predecessor-version":[{"id":4640,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/705\/revisions\/4640"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=705"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=705"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=705"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=705"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=705"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=705"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=705"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}