{"id":509,"date":"2004-11-16T10:36:00","date_gmt":"2004-11-16T09:36:00","guid":{"rendered":"https:\/\/kids.esa.int\/asteroids_the_minor_planets\/"},"modified":"2026-10-08T00:29:02","modified_gmt":"2026-10-07T22:29:02","slug":"asteroids_the_minor_planets","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/asteroids_the_minor_planets\/","title":{"rendered":"Aszteroid\u00e1k \u2013 a kisbolyg\u00f3k"},"content":{"rendered":"<div class=\"lede\">\n<p>Az aszteroid\u00e1k kicsi, szikl\u00e1s \u00e9gitestek, amelyek a bolyg\u00f3k 4,5 milli\u00e1rd \u00e9vvel ezel\u0151tti kialakul\u00e1s\u00e1nak maradv\u00e1nyai. Gyakran \u2018kisbolyg\u00f3knak\u2019 is nevezik \u0151ket.<\/p>\n<\/div>\n<p>\u00dagy v\u00e9lik, hogy ezekb\u0151l a szikladarabokb\u00f3l milli\u00e1rdnyi l\u00e9tezik. Legt\u00f6bbj\u00fck egy f\u00e1nk alak\u00fa \u2018f\u0151\u00f6vben\u2019 helyezkedik el a Mars \u00e9s a Jupiter p\u00e1ly\u00e1i k\u00f6z\u00f6tt. A f\u0151\u00f6v bels\u0151 sz\u00e9l\u00e9n az aszteroid\u00e1k k\u00f6r\u00fclbel\u00fcl h\u00e1rom \u00e9v alatt ker\u00fclik meg a Napot. A f\u0151\u00f6v k\u00fcls\u0151 hat\u00e1r\u00e1hoz k\u00f6zel l\u00e9v\u0151 aszteroid\u00e1knak ehhez k\u00e9tszer annyi id\u0151re van sz\u00fcks\u00e9g\u00fck.<\/p>\n<p>Az \u2018aszteroida\u2019 sz\u00f3 jelent\u00e9se \u2018csillagszer\u0171\u2019. Ezt a nevet az\u00e9rt kapt\u00e1k, mert a legt\u00f6bb t\u00e1vcs\u0151ben csup\u00e1n f\u00e9nypontokk\u00e9nt l\u00e1that\u00f3k. A 20. sz\u00e1zad elej\u00e9re a csillag\u00e1szok m\u00e1r \u2018az \u00e9g k\u00e1rtev\u0151inek\u2019 nevezt\u00e9k \u0151ket. Olyan nagy sz\u00e1mban voltak l\u00e1that\u00f3k, hogy elrontott\u00e1k a t\u00e1voli galaxisokr\u00f3l \u00e9s k\u00f6d\u00f6kr\u0151l k\u00e9sz\u00fclt f\u00e9nyk\u00e9peket.<\/p>\n<p>A kisbolyg\u00f3k k\u00f6z\u00fcl a legnagyobb, a Ceres volt az els\u0151, amelyet felfedeztek. 1801. janu\u00e1r 1-j\u00e9n fedezte fel Giuseppi Piazzi, a szic\u00edliai Palerm\u00f3b\u00f3l.<\/p>\n<p>Egy m\u00e1sodik kisbolyg\u00f3t \u2013 a Pallast \u2013 Wilhelm Olbers fedezte fel 1802-ben. Ezt k\u00f6vette a Juno (1804) \u00e9s a Vesta (1807). 1847 \u00f3ta nem telt el olyan \u00e9v, hogy ne fedeztek volna fel legal\u00e1bb egy kisbolyg\u00f3t.<\/p>\n<nav class=\"related\" aria-label=\"Kapcsol\u00f3d\u00f3\">\n<h2 class=\"related__heading\">Kapcsol\u00f3d\u00f3<\/h2>\n<div class=\"grid related__grid\">\n<div class=\"grid-item\">\n<article class=\"card focuson agency\"><a class=\"card__link\" href=\"\/hu\/asteroider_de_smaa_planeter\/\"><\/p>\n<figure class=\"thumbnail\"><span class=\"dimmer\"><\/span><\/figure>\n<header class=\"entry\">\n<h3 class=\"heading\">d\u00e1n<\/h3>\n<\/header>\n<p><\/a><\/article>\n<\/div>\n<div class=\"grid-item\">\n<article class=\"card focuson agency\"><a class=\"card__link\" href=\"\/hu\/planetoiden_-_de_kleine_planeten\/\"><\/p>\n<figure class=\"thumbnail\"><span class=\"dimmer\"><\/span><\/figure>\n<header class=\"entry\">\n<h3 class=\"heading\">holland<\/h3>\n<\/header>\n<p><\/a><\/article>\n<\/div>\n<div class=\"grid-item\">\n<article class=\"card focuson agency\"><a class=\"card__link\" href=\"\/hu\/asteroiden_-_die_kleinplaneten\/\"><\/p>\n<figure class=\"thumbnail\"><span class=\"dimmer\"><\/span><\/figure>\n<header class=\"entry\">\n<h3 class=\"heading\">n\u00e9met<\/h3>\n<\/header>\n<p><\/a><\/article>\n<\/div>\n<div class=\"grid-item\">\n<article class=\"card focuson agency\"><a class=\"card__link\" href=\"\/hu\/asteroider_de_smaa_planetene\/\"><\/p>\n<figure class=\"thumbnail\"><span class=\"dimmer\"><\/span><\/figure>\n<header class=\"entry\">\n<h3 class=\"heading\">norv\u00e9g<\/h3>\n<\/header>\n<p><\/a><\/article>\n<\/div>\n<div class=\"grid-item\">\n<article class=\"card focuson agency\"><a class=\"card__link\" href=\"\/hu\/asteroidy_czyli_planetoidy\/\"><\/p>\n<figure class=\"thumbnail\"><span class=\"dimmer\"><\/span><\/figure>\n<header class=\"entry\">\n<h3 class=\"heading\">lengyel<\/h3>\n<\/header>\n<p><\/a><\/article>\n<\/div>\n<div class=\"grid-item\">\n<article class=\"card focuson agency\"><a class=\"card__link\" href=\"\/hu\/asteroider_smaaplaneterna\/\"><\/p>\n<figure class=\"thumbnail\"><span class=\"dimmer\"><\/span><\/figure>\n<header class=\"entry\">\n<h3 class=\"heading\">sv\u00e9d<\/h3>\n<\/header>\n<p><\/a><\/article>\n<\/div>\n<\/div>\n<\/nav>","protected":false},"excerpt":{"rendered":"<p>Asteroids are small, rocky bodies that have been left over from the formation of the planets 4.5 billion years ago. They are often known as &#8216;minor planets&#8217;. There are thought [&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\/2001\/07\/asteroid_243_ida_and_its_newly_discovered_moon_dactyl2\/17863270-3-eng-GB\/Asteroid_243_Ida_and_its_newly_discovered_moon_Dactyl.jpg","esa_banner_description":"Asteroid 243 Ida and its newly discovered moon, Dactyl","esa_banner_credit":"NASA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2001\/07\/Asteroid_243_Ida_and_its_newly_discovered_moon_Dactyl2","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":[46,10,11],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-509","post","type-post","status-publish","format-standard","hentry","category-comets-and-meteors","category-learn","category-our-universe","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/509","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=509"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/509\/revisions"}],"predecessor-version":[{"id":1652,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/509\/revisions\/1652"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=509"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=509"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=509"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=509"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=509"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=509"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=509"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=509"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}