{"id":821,"date":"2004-12-02T15:40:00","date_gmt":"2004-12-02T14:40:00","guid":{"rendered":"https:\/\/kids.esa.int\/beyond_earth\/"},"modified":"2026-10-08T00:32:39","modified_gmt":"2026-10-07T22:32:39","slug":"beyond_earth","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/beyond_earth\/","title":{"rendered":"A F\u00f6ld\u00f6n t\u00fal"},"content":{"rendered":"<div class=\"lede\">\n<p>A legt\u00f6bb \u0171reszk\u00f6zt a F\u00f6ld k\u00f6r\u00fcli p\u00e1ly\u00e1ra \u00e1ll\u00edtj\u00e1k. Ez azonban nem mindig a legalkalmasabb hely a t\u00e1voli univerzumot kutat\u00f3 tudom\u00e1nyos m\u0171holdak sz\u00e1m\u00e1ra.<\/p>\n<\/div>\n<p>A Hubble \u0170rt\u00e1vcs\u0151 a F\u00f6ld felett 600 km magass\u00e1gban, az Egyenl\u00edt\u0151h\u00f6z k\u00e9pest 28,5 fokos d\u0151l\u00e9ssz\u00f6g\u0171 k\u00f6rp\u00e1ly\u00e1n kering. Ez a F\u00f6ld k\u00f6r\u00fcli p\u00e1lya megk\u00f6nny\u00edti az obszervat\u00f3rium jav\u00edt\u00e1s\u00e1t \u00e9s karbantart\u00e1s\u00e1t. Ugyanakkor a F\u00f6ld \u00e9s a Hold az \u00e9gbolt nagy r\u00e9sz\u00e9t eltakarja.<\/p>\n<p>A Hubble ut\u00f3dja, a James Webb \u0170rt\u00e1vcs\u0151, sokkal t\u00e1volabb fog m\u0171k\u00f6dni. Az \u00fagynevezett L2 Lagrange-pontban, a F\u00f6ld \u00e9jszakai oldal\u00e1n, 1,5 milli\u00f3 km-re l\u00e9v\u0151 stabil p\u00e1ly\u00e1ra fogj\u00e1k \u00e1ll\u00edtani.<\/p>\n<p>Az L2 a F\u00f6ld \u00f6t Lagrange-pontj\u00e1nak egyike. Ezen a pontokon a F\u00f6ld, a Hold \u00e9s a Nap vonz\u00e1sa kiegyenl\u00edti egym\u00e1st, \u00edgy k\u00f6nny\u0171 egy m\u0171holdat ugyanabban a poz\u00edci\u00f3ban tartani.<\/p>\n<p>M\u00e1s m\u0171holdaknak, p\u00e9ld\u00e1ul az ESA SOHO obszervat\u00f3rium\u00e1nak, folyamatosan a Napot kell figyelni\u00fck. Ez az \u0171reszk\u00f6z az L1 Lagrange-pontban helyezkedik el, 1,5 milli\u00f3 km-re a F\u00f6ldt\u0151l a Nap fel\u00e9.<\/p>\n<p>Mivel a F\u00f6ld \u00e9s a Nap gravit\u00e1ci\u00f3s ereje az L1 ponton egyens\u00falyban van, a SOHO folyamatosan ott lebeghet k\u00f6z\u00f6tt\u00fck an\u00e9lk\u00fcl, hogy sok \u00fczemanyagot fogyasztana.<\/p>","protected":false},"excerpt":{"rendered":"<p>Most spacecraft are placed in orbits around the Earth. But this is not always the optimal place for scientific satellites that explore the distant universe. The Hubble Space Telescope follows [&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\/2003\/05\/changing_seasons_on_saturn2\/17877220-2-eng-GB\/Changing_seasons_on_Saturn.jpg","esa_banner_description":"Changing seasons on Saturn","esa_banner_credit":"NASA and The Hubble Heritage Team (STScI\/AURA)","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2003\/05\/Changing_seasons_on_Saturn2","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":[10,65,40],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-821","post","type-post","status-publish","format-standard","hentry","category-learn","category-mission-control","category-technology","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/821","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=821"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/821\/revisions"}],"predecessor-version":[{"id":1964,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/821\/revisions\/1964"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=821"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=821"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=821"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=821"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=821"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=821"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=821"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=821"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=821"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}