{"id":853,"date":"2004-12-02T07:58:00","date_gmt":"2004-12-02T06:58:00","guid":{"rendered":"https:\/\/kids.esa.int\/olympus_and_artemis\/"},"modified":"2026-10-08T00:33:00","modified_gmt":"2026-10-07T22:33:00","slug":"olympus_and_artemis","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/es\/olympus_and_artemis\/","title":{"rendered":"Olympus y Artemis"},"content":{"rendered":"<div class=\"lede\">\n<p>La ESA ha trabajado en el campo de las comunicaciones por sat\u00e9lite desde la d\u00e9cada de los setenta. Ya en 1980, su Sat\u00e9lite de Prueba Orbital comenz\u00f3 a utilizarse para enlaces de v\u00eddeo entre grupos en Alemania y el Reino Unido.<\/p>\n<\/div>\n<p>Mediante ese sistema se transmitieron llamadas telef\u00f3nicas de emergencia despu\u00e9s de que un incendio destruyera el sistema terrestre en la ciudad de Lyon en Francia.<\/p>\n<p>Poco despu\u00e9s, un sat\u00e9lite llamado Marecs revolucionar\u00eda las telecomunicaciones m\u00f3viles. En lugar de usar radio de onda corta poco fiable, se pudieron utilizar tel\u00e9fonos satelitales para llamar a tierra desde barcos en alta mar.<\/p>\n<p>A finales de la d\u00e9cada de los ochenta y en los noventa, se lanzaron cuatro sat\u00e9lites ECS. Cada uno de ellos pod\u00eda cubrir 12.000 enlaces telef\u00f3nicos y 10 canales de televisi\u00f3n por toda Europa.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"2925\" data-credit=\"ESA - J. Huart\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2000\/09\/Artemis2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2000\/09\/artemis2\/17865972-3-eng-GB\/Artemis.jpg\" alt=\"Artemis\"><figcaption>Artemisa<\/figcaption><\/figure>\n<p>Los avances m\u00e1s recientes se han logrado con un sat\u00e9lite denominado Artemis. Este sat\u00e9lite fue utilizado el 30 de noviembre 2001 para la primera transmisi\u00f3n de im\u00e1genes mediante un rayo l\u00e1ser. En efecto, se transmitieron im\u00e1genes perfectas desde el sat\u00e9lite SPOT 4 que orbita la Tierra a 832 km de su superficie hasta el sat\u00e9lite Artemis situado a 31.000 km de la Tierra.<\/p>\n<p>En la actualidad, el sat\u00e9lite Artemis se usa para enviar im\u00e1genes y enormes cantidades de datos desde Envisat a un centro de la ESA ubicado cerca de Roma.<\/p>","protected":false},"excerpt":{"rendered":"<p>ESA has been working on satellite communications since the 1970s. As early as 1980, its Orbital Test Satellite was being used for video links between groups in Germany and 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\/2000\/09\/artist_s_impression_of_olympus_in_orbit2\/17865897-3-eng-GB\/Artist_s_impression_of_Olympus_in_orbit.gif","esa_banner_description":"Artist's impression of Olympus in orbit","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2000\/09\/Artist_s_impression_of_Olympus_in_orbit2","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-853","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\/es\/wp-json\/wp\/v2\/posts\/853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/comments?post=853"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/posts\/853\/revisions"}],"predecessor-version":[{"id":4708,"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/posts\/853\/revisions\/4708"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/media?parent=853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/categories?post=853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/tags?post=853"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/panel?post=853"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/language?post=853"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/age?post=853"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/duration?post=853"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/resource_type?post=853"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/audience?post=853"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/es\/wp-json\/wp\/v2\/wf_post_folders?post=853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}