{"id":1130,"date":"2004-11-15T15:52:00","date_gmt":"2004-11-15T14:52:00","guid":{"rendered":"https:\/\/kids.esa.int\/threats_from_space\/"},"modified":"2026-10-08T00:36:20","modified_gmt":"2026-10-07T22:36:20","slug":"threats_from_space","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/et\/threats_from_space\/","title":{"rendered":"Kosmosest p\u00e4rinevad ohud"},"content":{"rendered":"<div class=\"lede\">\n<p>Maa on meie P\u00e4ikeses\u00fcsteemi neljast kivist planeedist suurim. Oma suurusele on see v\u00e4ga raske. Selle keskmes asub suur, rauda sisaldav tuum, kus temperatuur ulatub 6000 kraadini Celsiuse j\u00e4rgi \u2013 see on sama kuum kui P\u00e4ikese pind.<\/p>\n<\/div>\n<p>Planeedi p\u00f6\u00f6rlemisel keerleb vedel v\u00e4limine tuum, toimides nagu jalgratta d\u00fcnamo. See d\u00fcnamo paneb Maa k\u00e4ituma nagu tugev magnet.<\/p>\n<p>Moodustades planeedi \u00fcmber n\u00e4htamatu mullikese, toimib Maa magnetv\u00e4li kilbina. See kaitseb planeeti enamiku kiirete osakeste eest, mida p\u00e4ikesetormid kosmosesse paiskavad. M\u00f5nikord tungivad osakesed l\u00e4bi selle barj\u00e4\u00e4ri magnetpooluste l\u00e4hedal. Selle tulemuseks on Maa virmalised \u2013 mida tuntakse \u00fcldiselt kui p\u00f5hjapoolset ja l\u00f5unapoolset virmalist.<\/p>\n<p>Maapinda kaitseb ka paks atmosf\u00e4\u00e4r. See blokeerib suurema osa kosmosest tulevast kahjulikust kiirgusest. Samuti p\u00f5hjustab see v\u00e4ikeste sissetungivate objektide p\u00f5lemise, mis on n\u00e4htavad langevate t\u00e4htedena. Ainult suuremad meteoriidid ja komeedid j\u00f5uavad maapinnale ja plahvatavad, j\u00e4ttes maha suuri kraatreid.<\/p>\n<p>Erinevalt Kuust ja teistest kivistest planeetidest on Maal t\u00e4nap\u00e4eval v\u00e4he kokkup\u00f5rkekraatreid. Enamik neist on voolava vee, tuule ja j\u00e4\u00e4 m\u00f5jul kulunud v\u00f5i t\u00e4itunud.<\/p>","protected":false},"excerpt":{"rendered":"<p>Earth is the largest of the four rocky planets in our Solar System. It is very heavy for its size. At its centre is a large, iron-rich core, where the [&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\/2004\/05\/meteor_crater_in_arizona3\/17895645-2-eng-GB\/Meteor_Crater_in_Arizona.jpg","esa_banner_description":"Meteor Crater in Arizona","esa_banner_credit":"David Roddy, USGS","esa_banner_licence":"No ESA licences available","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2004\/05\/Meteor_Crater_in_Arizona3","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":[10,11,12],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-1130","post","type-post","status-publish","format-standard","hentry","category-learn","category-our-universe","category-planets-and-moons","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/posts\/1130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/comments?post=1130"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/posts\/1130\/revisions"}],"predecessor-version":[{"id":2273,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/posts\/1130\/revisions\/2273"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/media?parent=1130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/categories?post=1130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/tags?post=1130"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/panel?post=1130"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/language?post=1130"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/age?post=1130"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/duration?post=1130"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/resource_type?post=1130"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/audience?post=1130"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/wf_post_folders?post=1130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}