{"id":261,"date":"2019-12-03T13:07:32","date_gmt":"2019-12-03T12:07:32","guid":{"rendered":"https:\/\/kids.esa.int\/esa_s_cheops_satellite_will_measure_the_sizes_of_exoplanets\/"},"modified":"2026-10-08T00:26:09","modified_gmt":"2026-10-07T22:26:09","slug":"esa_s_cheops_satellite_will_measure_the_sizes_of_exoplanets","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/cs\/esa_s_cheops_satellite_will_measure_the_sizes_of_exoplanets\/","title":{"rendered":"Satelit CHEOPS agentury ESA bude m\u011b\u0159it velikosti exoplanet"},"content":{"rendered":"<div class=\"lede\">\n<p>Pod\u00edvali jste se n\u011bkdy na no\u010dn\u00ed oblohu a p\u0159em\u00fd\u0161leli, jestli tam venku, za hranicemi na\u0161\u00ed slune\u010dn\u00ed soustavy, existuj\u00ed i jin\u00e9 planety? Astronomov\u00e9 zjistili, \u017ee ano! \u0158\u00edk\u00e1me jim extrasol\u00e1rn\u00ed planety, zkr\u00e1cen\u011b exoplanety. Dosud jich bylo objeveno tis\u00edce a jejich po\u010det bude s pokra\u010duj\u00edc\u00edm v\u00fdzkumem d\u00e1le stoupat.<\/p>\n<p>Je velmi obt\u00ed\u017en\u00e9 po\u0159\u00eddit skute\u010dnou fotografii exoplanety, proto\u017ee se nach\u00e1zej\u00ed tak daleko. Astronomov\u00e9 je proto hledaj\u00ed pomoc\u00ed r\u016fzn\u00fdch technik, nap\u0159\u00edklad pozorov\u00e1n\u00edm kol\u00eds\u00e1n\u00ed hv\u011bzd ve vesm\u00edru zp\u016fsoben\u00e9ho gravitac\u00ed ob\u00edhaj\u00edc\u00edch exoplanet. Tato metoda, spolu s dal\u0161\u00edmi, n\u00e1m nejen pom\u00e1h\u00e1 tyto planety naj\u00edt, ale tak\u00e9 umo\u017e\u0148uje astronom\u016fm ur\u010dit jejich hmotnost a vzd\u00e1lenost, v jak\u00e9 ob\u00edhaj\u00ed kolem sv\u00fdch hv\u011bzd. Nyn\u00ed pot\u0159ebujeme dalekohled, kter\u00fd se specializuje na zji\u0161\u0165ov\u00e1n\u00ed velikosti exoplanet. A pr\u00e1v\u011b zde p\u0159ich\u00e1z\u00ed na sc\u00e9nu CHEOPS!<\/p>\n<\/div>\n<p>Satelit CHEOPS \u2013 jeho\u017e pln\u00fd n\u00e1zev zn\u00ed CHaracterising ExOPlanet Satellite \u2013 byl vypu\u0161t\u011bn v prosinci 2019 a jedn\u00e1 se o misi Evropsk\u00e9 kosmick\u00e9 agentury (ESA), jej\u00edm\u017e c\u00edlem je pomoci n\u00e1m l\u00e9pe poznat exoplanety. M\u00edsto hled\u00e1n\u00ed nov\u00fdch exoplanet se CHEOPS zam\u011b\u0159\u00ed na studium t\u011bch, kter\u00e9 jsme ji\u017e objevili a u nich\u017e byla vypo\u010d\u00edt\u00e1na hmotnost planety.<\/p>\n<p>CHEOPS je vybaven \u0161pi\u010dkov\u00fdm a mimo\u0159\u00e1dn\u011b citliv\u00fdm p\u0159\u00edstrojem zvan\u00fdm fotometr, kter\u00fd m\u011b\u0159\u00ed intenzitu sv\u011btla. Kdy\u017e exoplaneta prolet\u00ed p\u0159ed svou hv\u011bzdou a \u010d\u00e1ste\u010dn\u011b zablokuje jej\u00ed sv\u011btlo, CHEOPS zm\u011b\u0159\u00ed, o kolik se jas hv\u011bzdy sn\u00ed\u017e\u00ed. To umo\u017en\u00ed v\u011bdc\u016fm mise vypo\u010d\u00edtat velikost exoplanety! Spoj\u00edme-li tyto informace s \u00fadaji o hmotnosti, bude mo\u017en\u00e9 vypo\u010d\u00edtat hustotu exoplanet. To n\u00e1m poskytne vod\u00edtka k tomu, z \u010deho jsou tyto planety slo\u017eeny. Jsou to skalnat\u00e9 sv\u011bty, nebo plynn\u00ed ob\u0159i? Mohly by dokonce m\u00edt rozs\u00e1hl\u00e9 oce\u00e1ny?<\/p>\n<figure class=\"wp-block-embed is-type-video\"><iframe src=\"https:\/\/www.youtube.com\/embed\/O9wm0IB3LMA\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/figure>\n<figure class=\"wp-block-image size-large\" data-width=\"2500\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2019\/02\/What_kind_of_planets_will_Cheops_study\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2019\/02\/what_kind_of_planets_will_cheops_study\/19220443-1-eng-GB\/What_kind_of_planets_will_Cheops_study.jpg\" alt=\"What kind of planets will Cheops study?\" \/><figcaption>Jak\u00e9 planety bude sonda Cheops zkoumat?<\/figcaption><\/figure>\n<p>D\u00edky t\u011bmto informac\u00edm budou v\u011bdci schopni sestavit seznam exoplanet, u nich\u017e je nejvy\u0161\u0161\u00ed pravd\u011bpodobnost, \u017ee maj\u00ed atmosf\u00e9ru. Tyto exoplanety budou vynikaj\u00edc\u00edmi c\u00edli pro budouc\u00ed astronomy, kte\u0159\u00ed budou k v\u00fdzkumu t\u011bchto vzd\u00e1len\u00fdch sv\u011bt\u016f vyu\u017e\u00edvat je\u0161t\u011b v\u00fdkonn\u011bj\u0161\u00ed dalekohledy a citliv\u011bj\u0161\u00ed p\u0159\u00edstroje. Jak\u00e1 tajemstv\u00ed odhal\u00ed, kdy\u017e jim CHEOPS uk\u00e1\u017ee sm\u011br?<\/p>\n<p><i>Zaj\u00edmavost: Fotometr p\u0159\u00edstroje CHEOPS je tak citliv\u00fd, \u017ee dok\u00e1\u017ee zkoumat i relativn\u011b mal\u00e9 exoplanety <\/i>\u2013<i>\u00a0a\u017e do velikosti Neptunu! <\/i><\/p>\n<p><b>\u00a0<\/b><\/p>","protected":false},"excerpt":{"rendered":"<p>Have you ever looked up at the night sky and wondered if there are other planets out there, beyond our Solar System? Astronomers have discovered that there are! We call [&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\/2019\/03\/cheops_satellite7\/19318953-2-eng-GB\/Cheops_satellite.jpg","esa_banner_description":"The CHEOPS satellite being tested before launch. It is 1.5 metres long, and weighs 280kg. Copyright: ESA - S. Corvaja","esa_banner_credit":"ESA \u2013 S. Corvaja","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2019\/03\/Cheops_satellite7","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":[14,10,13],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-261","post","type-post","status-publish","format-standard","hentry","category-are-we-alone","category-learn","category-life-in-space"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/261","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=261"}],"version-history":[{"count":6,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/261\/revisions"}],"predecessor-version":[{"id":4378,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/261\/revisions\/4378"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=261"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=261"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=261"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=261"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=261"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=261"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=261"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}