{"id":1123,"date":"2004-12-03T10:13:00","date_gmt":"2004-12-03T09:13:00","guid":{"rendered":"https:\/\/kids.esa.int\/how_do_we_observe_the_earth\/"},"modified":"2026-10-08T00:36:15","modified_gmt":"2026-10-07T22:36:15","slug":"how_do_we_observe_the_earth","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/how_do_we_observe_the_earth\/","title":{"rendered":"Hogyan figyelj\u00fck meg a F\u00f6ldet?"},"content":{"rendered":"
\n

\u00c9vsz\u00e1zadokon \u00e1t a nagy ter\u00fcletek \u00e1ttekint\u00e9s\u00e9nek egyetlen m\u00f3dja az volt, hogy magasabb helyre m\u00e1sztak fel. Majd a l\u00e9gg\u00f6mb\u00f6k \u00e9s a rep\u00fcl\u0151g\u00e9pek feltal\u00e1l\u00e1sa jelent\u0151sen megk\u00f6nny\u00edtette a F\u00f6ld megfigyel\u00e9s\u00e9t.<\/p>\n<\/div>\n

Az \u0171rkor sor\u00e1n egyre gyakrabban alkalmazz\u00e1k a m\u0171holdakat bolyg\u00f3nk minden szempontj\u00e1nak vizsg\u00e1lat\u00e1ra.<\/p>\n

Mivel nagy t\u00e1vols\u00e1gb\u00f3l figyelik a F\u00f6ldet, gyakran \u201ct\u00e1v\u00e9rz\u00e9kel\u0151\u201d m\u0171holdaknak nevezik \u0151ket.<\/p>\n

A F\u00f6ld felsz\u00edn\u00e9r\u0151l \u00e9s l\u00e9gk\u00f6r\u00e9r\u0151l k\u00e9sz\u00fclt legr\u00e9szletesebb felv\u00e9teleket azok az alacsony p\u00e1ly\u00e1n kering\u0151 m\u0171holdak k\u00fcldik vissza, amelyek az \u00c9szaki- \u00e9s a D\u00e9li-sark felett haladnak el.<\/p>\n

Ahogy a F\u00f6ld forog alattuk, ezek a m\u0171holdak n\u00e9h\u00e1ny naponta k\u00e9pesek a teljes bolyg\u00f3t \u2013 s\u00e1vr\u00f3l s\u00e1vra \u2013 lek\u00e9pezni.<\/p>\n

\"Envisat,
Envisat, m\u0171v\u00e9szi \u00e1br\u00e1zol\u00e1s<\/figcaption><\/figure>\n

A pol\u00e1ris p\u00e1ly\u00e1n kering\u0151 m\u0171holdak a j\u00e9g- \u00e9s h\u00f3takar\u00f3t, a f\u00f6ldhaszn\u00e1latot, a leveg\u0151- \u00e9s v\u00edzszennyez\u00e9st, valamint a helyi id\u0151j\u00e1r\u00e1st vizsg\u00e1lj\u00e1k. Az ESA pol\u00e1ris p\u00e1ly\u00e1n kering\u0151 m\u0171holdjai az Eur\u00f3pai T\u00e1v\u00e9rz\u00e9kel\u0151 M\u0171hold (ERS-2) \u00e9s az Envisat k\u00f6rnyezetv\u00e9delmi m\u0171hold.<\/p>\n

M\u00e1s \u0171reszk\u00f6z\u00f6k az Egyenl\u00edt\u0151 felett 36 000 km-es magass\u00e1gban keringve folyamatosan ugyanazt a F\u00f6ld-r\u00e9szletet figyelik. Ez sz\u00e9lesebb l\u00e1t\u00f3mez\u0151t biztos\u00edt sz\u00e1mukra, de azt is jelenti, hogy a F\u00f6ldet nem tudj\u00e1k olyan r\u00e9szletesen megfigyelni.<\/p>\n

Eur\u00f3pa eddig nyolc, Meteosat n\u00e9vre keresztelt meteorol\u00f3giai m\u0171holdat \u00e1ll\u00edtott p\u00e1ly\u00e1ra ilyen t\u00edpus\u00fa \u201cgeostacion\u00e1rius\u201d p\u00e1ly\u00e1ra.<\/p>","protected":false},"excerpt":{"rendered":"

For many centuries, the only way to obtain a good view of a large area was to climb to higher ground. Then the invention of balloons and aircraft made Earth […]<\/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\/07\/the_world_seen_by_envisat_s_meris2\/17870967-2-eng-GB\/The_world_seen_by_Envisat_s_MERIS.jpg","esa_banner_description":"The world seen by Envisat 's MERIS","esa_banner_credit":"ESA 2004","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2004\/07\/The_world_seen_by_Envisat_s_MERIS2","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":[42,10,59],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-1123","post","type-post","status-publish","format-standard","hentry","category-earth","category-learn","category-natural-disasters","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/1123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/comments?post=1123"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/1123\/revisions"}],"predecessor-version":[{"id":4859,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/1123\/revisions\/4859"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=1123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=1123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=1123"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=1123"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=1123"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=1123"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=1123"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=1123"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=1123"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=1123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}