{"id":791,"date":"2011-07-12T07:46:00","date_gmt":"2011-07-12T05:46:00","guid":{"rendered":"https:\/\/kids.esa.int\/super-sensitive_space_camera_takes_shape\/"},"modified":"2026-10-08T00:32:18","modified_gmt":"2026-10-07T22:32:18","slug":"super-sensitive_space_camera_takes_shape","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/cs\/super-sensitive_space_camera_takes_shape\/","title":{"rendered":"Vznik\u00e1 vysoce citliv\u00e1 vesm\u00edrn\u00e1 kamera"},"content":{"rendered":"
\n

Po mnoha t\u00fddnech usilovn\u00e9 pr\u00e1ce byla ned\u00e1vno dokon\u010dena nejv\u011bt\u0161\u00ed digit\u00e1ln\u00ed kamera, jak\u00e1 kdy byla vyrobena pro vesm\u00edrnou misi. Tato \u201cmiliardapixlov\u00e1 matice\u201d, slo\u017een\u00e1 ze 106 samostatn\u00fdch elektronick\u00fdch detektor\u016f, bude slou\u017eit jako mimo\u0159\u00e1dn\u011b citliv\u00e9 \u201coko\u201d mise Gaia Evropsk\u00e9 kosmick\u00e9 agentury (ESA) zam\u011b\u0159en\u00e9 na mapov\u00e1n\u00ed galaxi\u00ed.<\/p>\n<\/div>\n

Zat\u00edmco lidsk\u00e9 oko bez pom\u016fcek dok\u00e1\u017ee za jasn\u00e9 noci rozeznat n\u011bkolik tis\u00edc hv\u011bzd, sonda Gaia prozkoum\u00e1 miliardu hv\u011bzd v na\u0161\u00ed vlastn\u00ed galaxii, Ml\u00e9\u010dn\u00e9 dr\u00e1ze. B\u011bhem p\u011btilet\u00e9 mise, kter\u00e1 za\u010dne v roce 2013, bude pos\u00edlat zp\u011bt dosud nejp\u0159esn\u011bj\u0161\u00ed \u00fadaje o poloh\u00e1ch a pohybech t\u011bchto hv\u011bzd, jako\u017e i o jejich jasu.<\/p>\n

\"Gaia
Syst\u00e9m kamer Gaia<\/figcaption><\/figure>\n

Aby bylo mo\u017en\u00e9 detekovat hv\u011bzdy a\u017e milionkr\u00e1t slab\u0161\u00ed, ne\u017e je lidsk\u00e9 oko schopno zachytit, bude sonda Gaia vybavena soustavou sn\u00edma\u010d\u016f CCD (Charge Coupled Devices), co\u017e jsou pokro\u010dil\u00e9 verze \u010dip\u016f pou\u017e\u00edvan\u00fdch v b\u011b\u017en\u00fdch digit\u00e1ln\u00edch fotoapar\u00e1tech. Tyto obd\u00e9ln\u00edkov\u00e9 detektory, vyvinut\u00e9 ve Velk\u00e9 Brit\u00e1nii, jsou o n\u011bco men\u0161\u00ed ne\u017e kreditn\u00ed karta \u2013 ka\u017ed\u00fd z nich m\u011b\u0159\u00ed 4,7 \u00d7 6 cm \u2013, ale ten\u010d\u00ed ne\u017e lidsk\u00fd vlas!<\/p>\n

Mozaika o rozm\u011brech 0,5 \u00d7 1,0 metru byla sestavena v toulousk\u00e9m z\u00e1vod\u011b hlavn\u00edho dodavatele projektu Gaia, spole\u010dnosti Astrium France. Technici pe\u010dliv\u011b sestavovali jednotliv\u00e9 CCD sn\u00edma\u010de tak, aby mezi nimi z\u016fstala mezera pouh\u00e9ho 1 mm. Pracovali ve dvou sm\u011bn\u00e1ch za p\u0159\u00edsn\u00fdch podm\u00ednek \u010dist\u00e9 m\u00edstnosti a ka\u017ed\u00fd den p\u0159id\u00e1vali v pr\u016fm\u011bru \u010dty\u0159i CCD sn\u00edma\u010de, a\u017e nakonec 1. \u010dervna sv\u016fj \u00fakol dokon\u010dili.<\/p>\n

Hotov\u00e1 soustava p\u0159ipom\u00edn\u00e1 malou dla\u017ebu uspo\u0159\u00e1danou do sedmi \u0159ad. Na ob\u011b\u017en\u00e9 dr\u00e1ze budou detektory udr\u017eov\u00e1ny p\u0159i teplot\u011b \u2013110 \u00b0C, aby se zv\u00fd\u0161ila jejich citlivost. Sonda Gaia bude pracovat ve vzd\u00e1lenosti 1,5 milionu km na no\u010dn\u00ed stran\u011b Zem\u011b. P\u0159i ot\u00e1\u010den\u00ed Zem\u011b budou oba dalekohledy sondy Gaia sledovat oblohu a podrobn\u011b studovat ka\u017edou hv\u011bzdu, kter\u00e1 se pohybuje v jejich zorn\u00e9m poli.<\/p>","protected":false},"excerpt":{"rendered":"

The largest digital camera ever built for a space mission has recently been completed after many weeks of hard work. Made up of 106 separate electronic detectors, the resulting \u201cbillion-pixel […]<\/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\/2010\/12\/gaia2\/17901642-2-eng-GB\/Gaia.jpg","esa_banner_description":"Gaia","esa_banner_credit":"ESA, image by C.Carreau","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2010\/12\/Gaia2","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":[10,11,21],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-791","post","type-post","status-publish","format-standard","hentry","category-learn","category-our-universe","category-stars-and-galaxies"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/791","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=791"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/791\/revisions"}],"predecessor-version":[{"id":4686,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/791\/revisions\/4686"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=791"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=791"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=791"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=791"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=791"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=791"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=791"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}