{"id":745,"date":"2004-12-09T14:59:00","date_gmt":"2004-12-09T13:59:00","guid":{"rendered":"https:\/\/kids.esa.int\/shake_rattle_and_roll\/"},"modified":"2026-10-08T00:31:49","modified_gmt":"2026-10-07T22:31:49","slug":"shake_rattle_and_roll","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/sl\/shake_rattle_and_roll\/","title":{"rendered":"Potres, ropot in valovanje"},"content":{"rendered":"
\n

Vesolje je izredno neprijazno okolje. Vesoljska plovila morajo prenesti skrajne temperature, sevanje, magnetna polja, meteorite, odpadke drugih vesoljskih plovil in pomanjkanje zraka.<\/p>\n<\/div>\n

Ker je izdelava in izstrelitev vesoljskih plovil draga, \u017eelimo, da delujejo \u010dim dlje. \u010ce naj sateliti v vesolju pre\u017eivijo ve\u010d let, morajo na Zemlji opraviti (in uspe\u0161no prestati!) \u0161tevilne teste.<\/p>\n

Prva nevarnost, s katero se morajo spopasti sateliti, je mo\u010dan hrup in tresljaji med izstrelitvijo rakete. To se preizku\u0161a tako, da se satelit trese in izpostavlja zvoku, ki prihaja iz ogromnih zvo\u010dnikov v posebni komori.<\/p>\n

Druga nevarnost, s katero se morajo sateliti spopasti v vesolju, je pre\u017eivetje v ekstremnih vro\u010dih in hladnih temperaturah. Ekstremno segrevanje zaradi Sonca se simulira v komori brez zraka, opremljeni z mo\u010dnimi \u017earnicami in ogledali. Zelo nizke temperature se ustvarjajo s \u010drpanjem teko\u010dega du\u0161ika skozi cevi v stenah komore.<\/p>\n

Da bi zagotovili pravilno delovanje elektri\u010dnih sistemov, je satelit izpostavljen mo\u010dnemu magnetnemu polju, ki lahko povzro\u010di elektri\u010dne okvare. Ra\u010dunalniki med temi preizku\u0161njami nenehno spremljajo vse, kar se dogaja na vesoljskem plovilu.<\/p>\n

V obdobju ve\u010d kot enega leta se vsak del, iz katerega je sestavljeno vesoljsko plovilo, ve\u010dkrat preizku\u0161a. Ko je vesoljsko plovilo sestavljeno, se ponovno preizku\u0161a. \u0160ele takrat bodo in\u017eenirji prepri\u010dani, da bo njihov \u00bbotrok\u00ab uspe\u0161en, ko bo dosegel orbito.<\/p>","protected":false},"excerpt":{"rendered":"

Outer space is extremely hostile. Spacecraft have to survive extremes of hot and cold, radiation, magnetic fields, meteorites, debris from other spacecraft and lack of air. Since spacecraft are expensive […]<\/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\/06\/gaia_antenna_in_test_chamber2\/17893611-2-eng-GB\/Gaia_antenna_in_test_chamber.jpg","esa_banner_description":"Gaia antenna in test chamber","esa_banner_credit":"Astrium\u2013A. Martin, 2012","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/06\/Gaia_antenna_in_test_chamber2","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":[10,44,40],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-745","post","type-post","status-publish","format-standard","hentry","category-learn","category-spacecraft","category-technology","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/posts\/745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/comments?post=745"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/posts\/745\/revisions"}],"predecessor-version":[{"id":1888,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/posts\/745\/revisions\/1888"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/media?parent=745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/categories?post=745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/tags?post=745"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/panel?post=745"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/language?post=745"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/age?post=745"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/duration?post=745"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/resource_type?post=745"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/audience?post=745"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/sl\/wp-json\/wp\/v2\/wf_post_folders?post=745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}