{"id":851,"date":"2006-08-23T09:22:00","date_gmt":"2006-08-23T07:22:00","guid":{"rendered":"https:\/\/kids.esa.int\/useful_space_did_you_know_that\/"},"modified":"2026-10-08T00:32:59","modified_gmt":"2026-10-07T22:32:59","slug":"useful_space_did_you_know_that","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/nl\/useful_space_did_you_know_that\/","title":{"rendered":"Wist u dat\u2026"},"content":{"rendered":"<div class=\"lede\">\n<p>De eerste communicatiesatelliet was de maan! In 1951 maakten ingenieurs van het Amerikaanse leger gebruik van de maan om signalen te weerkaatsen. Dat deden ze nog een keer in 1955, toen de communicatie was uitgevallen als gevolg van een zonnestorm.<\/p>\n<\/div>\n<p>Twee van de eerste door de mens gemaakte communicatiesatellieten waren grote, glanzende ballonnen die radiosignalen terugkaatsten. Ze heetten Echo 1 en Echo 2.<\/p>","protected":false},"excerpt":{"rendered":"<p>The first communications satellite was the Moon. US Army engineers bounced signals off the Moon in 1951. They did so again in 1955, during a communications blackout caused by a [&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\/2000\/11\/telescopic_view_of_the_whole_moon_seen_from_earth2\/17865823-3-eng-GB\/Telescopic_view_of_the_whole_Moon_seen_from_Earth.jpg","esa_banner_description":"Telescopic view of the whole Moon seen from Earth","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2000\/11\/Telescopic_view_of_the_whole_Moon_seen_from_Earth2","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":[10,54,40],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-851","post","type-post","status-publish","format-standard","hentry","category-learn","category-space-technologies-on-earth","category-technology","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/posts\/851","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/comments?post=851"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/posts\/851\/revisions"}],"predecessor-version":[{"id":1994,"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/posts\/851\/revisions\/1994"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/media?parent=851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/categories?post=851"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/tags?post=851"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/panel?post=851"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/language?post=851"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/age?post=851"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/duration?post=851"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/resource_type?post=851"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/audience?post=851"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/nl\/wp-json\/wp\/v2\/wf_post_folders?post=851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}