{"id":1031,"date":"2005-05-02T12:13:00","date_gmt":"2005-05-02T10:13:00","guid":{"rendered":"https:\/\/kids.esa.int\/radar_to_reveal_hidden_mars\/"},"modified":"2026-10-08T00:35:05","modified_gmt":"2026-10-07T22:35:05","slug":"radar_to_reveal_hidden_mars","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/el\/radar_to_reveal_hidden_mars\/","title":{"rendered":"\u03a1\u03b1\u03bd\u03c4\u03ac\u03c1 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03bf\u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ba\u03c1\u03c5\u03bc\u03bc\u03ad\u03bd\u03bf \u0386\u03c1\u03b7"},"content":{"rendered":"
\n

\u0388\u03bd\u03b1 \u03bd\u03ad\u03bf \u03ba\u03b5\u03c6\u03ac\u03bb\u03b1\u03b9\u03bf \u03c3\u03c4\u03b7\u03bd \u03b5\u03be\u03b5\u03c1\u03b5\u03cd\u03bd\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u0386\u03c1\u03b7 \u03c0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03be\u03b5\u03ba\u03b9\u03bd\u03ae\u03c3\u03b5\u03b9. \u039c\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03ba\u03b1\u03b8\u03c5\u03c3\u03c4\u03ad\u03c1\u03b7\u03c3\u03b7, \u03c4\u03bf \u03c1\u03b1\u03bd\u03c4\u03ac\u03c1 MARSIS \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b5\u03c0\u03af \u03c4\u03bf\u03c5 \u03c4\u03c1\u03bf\u03c7\u03b9\u03b1\u03ba\u03bf\u03cd \u03c3\u03ba\u03ac\u03c6\u03bf\u03c5\u03c2 Mars Express \u03c4\u03b7\u03c2 ESA \u03c0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c4\u03b5\u03b8\u03b5\u03af \u03c3\u03b5 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1.<\/p>\n<\/div>\n

\u03a4\u03bf MARSIS \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf \u03cc\u03c1\u03b3\u03b1\u03bd\u03bf \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b5\u03af \u03ba\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03bf\u03c1\u03c4\u03bf\u03ba\u03b1\u03bb\u03bf\u03ba\u03cc\u03ba\u03ba\u03b9\u03bd\u03b7 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u0386\u03c1\u03b7. \u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03b5\u03ba\u03c0\u03ad\u03bc\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c1\u03b1\u03b4\u03b9\u03bf\u03c3\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae\u03c2 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf\u03bd \u0386\u03c1\u03b7.<\/p>\n

\u03a0\u03bf\u03bb\u03bb\u03ac \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ac \u03b1\u03bd\u03b1\u03ba\u03bb\u03ce\u03bd\u03c4\u03b1\u03b9 \u03b1\u03bc\u03ad\u03c3\u03c9\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c3\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b4\u03b9\u03b1\u03c0\u03b5\u03c1\u03bd\u03bf\u03cd\u03bd \u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03ba\u03bb\u03ce\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c5\u03c0\u03bf\u03b5\u03c0\u03b9\u03c6\u03b1\u03bd\u03b5\u03b9\u03b1\u03ba\u03ac \u03c3\u03c4\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1.<\/p>\n

\u039c\u03b5 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03b7\u03c7\u03ce\u03bd, \u03bf\u03b9 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03bf\u03bd\u03b5\u03c2 \u03b5\u03bb\u03c0\u03af\u03b6\u03bf\u03c5\u03bd \u03bd\u03b1 \u03b1\u03bd\u03b1\u03ba\u03b1\u03bb\u03cd\u03c8\u03bf\u03c5\u03bd \u03c5\u03c0\u03cc\u03b3\u03b5\u03b9\u03bf \u03c0\u03ac\u03b3\u03bf \u03ae \u03bd\u03b5\u03c1\u03cc. \u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b7 \u03b6\u03c9\u03ae \u03c3\u03c5\u03bd\u03b4\u03ad\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b1 \u03bd\u03b5\u03c1\u03bf\u03cd.<\/p>\n

\u03a4\u03bf MARSIS \u03b8\u03b1 \u03b1\u03bd\u03b9\u03c7\u03bd\u03b5\u03cd\u03b5\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c3\u03c4\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1 \u03c0\u03b5\u03c4\u03c1\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd \u03c3\u03b5 \u03b2\u03ac\u03b8\u03bf\u03c2 \u03b1\u03c1\u03ba\u03b5\u03c4\u03ce\u03bd \u03c7\u03b9\u03bb\u03b9\u03bf\u03bc\u03ad\u03c4\u03c1\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03bc\u03b5\u03c4\u03c1\u03ac \u03c4\u03bf \u03cd\u03c8\u03bf\u03c2 \u03c4\u03c9\u03bd \u03b2\u03bf\u03c5\u03bd\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03ba\u03bf\u03b9\u03bb\u03ac\u03b4\u03c9\u03bd.<\/p>\n

\"MARSIS
\u039a\u03cd\u03c1\u03b9\u03b1 \u03ba\u03b5\u03c1\u03b1\u03af\u03b1 \u03c4\u03bf\u03c5 MARSIS<\/figcaption><\/figure>\n

\u03a0\u03c1\u03bf\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03bd\u03b1 \u03c3\u03c5\u03bc\u03b2\u03b5\u03af \u03b1\u03c5\u03c4\u03cc, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03be\u03b5\u03b4\u03b9\u03c0\u03bb\u03c9\u03b8\u03bf\u03cd\u03bd \u03bf\u03b9 \u03c4\u03c1\u03b5\u03b9\u03c2 \u03c1\u03ac\u03b2\u03b4\u03bf\u03b9 \u03c4\u03bf\u03c5 \u03c1\u03b1\u03bd\u03c4\u03ac\u03c1. \u0397 \u03b1\u03c0\u03b5\u03bb\u03b5\u03c5\u03b8\u03ad\u03c1\u03c9\u03c3\u03ae \u03c4\u03bf\u03c5\u03c2 \u03b5\u03af\u03c7\u03b5 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u0391\u03c0\u03c1\u03af\u03bb\u03b9\u03bf \u03c4\u03bf\u03c5 2004, \u03b1\u03bb\u03bb\u03ac \u03c5\u03c0\u03ae\u03c1\u03c7\u03b1\u03bd \u03ba\u03ac\u03c0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03bd\u03b7\u03c3\u03c5\u03c7\u03af\u03b5\u03c2 \u03cc\u03c4\u03b9 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b1\u03bd \u03bd\u03b1 \u03ba\u03bf\u03bb\u03bb\u03ae\u03c3\u03bf\u03c5\u03bd \u03ae \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c0\u03b7\u03b4\u03ae\u03c3\u03bf\u03c5\u03bd \u03c0\u03af\u03c3\u03c9 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03bf\u03c5\u03bd \u03b6\u03b7\u03bc\u03b9\u03ac \u03c3\u03c4\u03bf \u03b4\u03b9\u03b1\u03c3\u03c4\u03b7\u03bc\u03b9\u03ba\u03cc \u03c3\u03ba\u03ac\u03c6\u03bf\u03c2.<\/p>\n

\u201c\u03a4\u03ad\u03c4\u03bf\u03b9\u03bf\u03c5 \u03b5\u03af\u03b4\u03bf\u03c5\u03c2 \u03b1\u03bd\u03b1\u03c0\u03c4\u03cd\u03be\u03b5\u03b9\u03c2 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03c0\u03b9\u03b4\u03b5\u03b9\u03c7\u03b8\u03bf\u03cd\u03bd \u03c3\u03c4\u03b7 \u0393\u03b7\u201d, \u03b5\u03be\u03ae\u03b3\u03b7\u03c3\u03b5 \u03bf \u03a4\u03b6\u03bf\u03bd \u03a1\u03ad\u03bd\u03c4\u03b9 \u03c4\u03b7\u03c2 ESA. \u201c\u0393\u03b9\u201d \u03b1\u03c5\u03c4\u03cc, \u03b5\u03ba\u03c4\u03cc\u03c2 \u03b1\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03bf\u03cd\u03bd \u03c3\u03c4\u03bf \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b2\u03b1\u03c3\u03b9\u03b6\u03cc\u03bc\u03b1\u03c3\u03c4\u03b5 \u03c3\u03b5 \u03c0\u03c1\u03bf\u03c3\u03bf\u03bc\u03bf\u03b9\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ae.\u00bb<\/p>\n

\u039c\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03c0\u03c1\u03bf\u03c3\u03b5\u03ba\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03c9\u03bd \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03c9\u03bd, \u03b7 ESA \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b9\u03c3\u03b5 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c7\u03c9\u03c1\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b9\u03c1\u03ac\u03bc\u03b1\u03c4\u03bf\u03c2. \u0391\u03c1\u03c7\u03b9\u03ba\u03ac \u03b8\u03b1 \u03b1\u03bd\u03b1\u03c0\u03c4\u03c5\u03c7\u03b8\u03bf\u03cd\u03bd \u03bf\u03b9 \u03b4\u03cd\u03bf \u03b2\u03c1\u03b1\u03c7\u03af\u03bf\u03bd\u03b5\u03c2 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 20 \u03bc\u03ad\u03c4\u03c1\u03c9\u03bd, \u03b5\u03bd\u03ce \u03bb\u03af\u03b3\u03b5\u03c2 \u03b7\u03bc\u03ad\u03c1\u03b5\u03c2 \u03b1\u03c1\u03b3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b8\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ae\u03c3\u03b5\u03b9 \u03bf \u03b2\u03c1\u03b1\u03c7\u03af\u03bf\u03bd\u03b1\u03c2 \u03c4\u03c9\u03bd 7 \u03bc\u03ad\u03c4\u03c1\u03c9\u03bd. \u0397 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b1\u03c5\u03c4\u03ae \u03b1\u03bd\u03b1\u03bc\u03ad\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03b5\u03af \u03bc\u03b5\u03c4\u03b1\u03be\u03cd 2 \u03ba\u03b1\u03b9 12 \u039c\u03b1\u0390\u03bf\u03c5.<\/p>\n

\u039c\u03cc\u03bb\u03b9\u03c2 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03b8\u03b5\u03af \u03b7 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7, \u03c4\u03bf MARSIS \u03b8\u03b1 \u03c5\u03c0\u03bf\u03b2\u03bb\u03b7\u03b8\u03b5\u03af \u03c3\u03b5 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1\u03c2 \u03c4\u03c1\u03b9\u03ce\u03bd \u03b5\u03b2\u03b4\u03bf\u03bc\u03ac\u03b4\u03c9\u03bd. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03b8\u03b1 \u03be\u03b5\u03ba\u03b9\u03bd\u03ae\u03c3\u03b5\u03b9 \u03b7 \u03c3\u03c5\u03bd\u03b1\u03c1\u03c0\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c1\u03b1\u03bd\u03c4\u03ac\u03c1.<\/p>","protected":false},"excerpt":{"rendered":"

A new chapter in the exploration of Mars is about to begin. After a long delay, the MARSIS radar instrument on board ESA\u2019s Mars Express orbiter is about to swing […]<\/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\/08\/marsis_prospecting_for_water2\/17863678-3-eng-GB\/MARSIS_prospecting_for_water.jpg","esa_banner_description":"MARSIS prospecting for water","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2001\/08\/MARSIS_prospecting_for_water2","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":[10,11,12],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-1031","post","type-post","status-publish","format-standard","hentry","category-learn","category-our-universe","category-planets-and-moons"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts\/1031","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/comments?post=1031"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts\/1031\/revisions"}],"predecessor-version":[{"id":4806,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts\/1031\/revisions\/4806"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/media?parent=1031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/categories?post=1031"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/tags?post=1031"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/panel?post=1031"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/language?post=1031"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/age?post=1031"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/duration?post=1031"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/resource_type?post=1031"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/audience?post=1031"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/wf_post_folders?post=1031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}