{"id":454,"date":"2013-08-21T07:50:00","date_gmt":"2013-08-21T05:50:00","guid":{"rendered":"https:\/\/kids.esa.int\/europe_s_space_sentinels\/"},"modified":"2026-10-08T00:28:23","modified_gmt":"2026-10-07T22:28:23","slug":"europe_s_space_sentinels","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/el\/europe_s_space_sentinels\/","title":{"rendered":"\u03a4\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c4\u03b7\u03bc\u03b9\u03ba\u03ac \u03b4\u03bf\u03c1\u03c5\u03c6\u03cc\u03c1\u03b1 \u00abSentinel\u00bb \u03c4\u03b7\u03c2 \u0395\u03c5\u03c1\u03ce\u03c0\u03b7\u03c2"},"content":{"rendered":"<div class=\"lede\">\n<p>\u039c\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b7\u03bd \u03b5\u03bc\u03c0\u03b5\u03b9\u03c1\u03af\u03b1 \u03ac\u03bd\u03c9 \u03c4\u03c9\u03bd 30 \u03b5\u03c4\u03ce\u03bd \u03c3\u03c4\u03b7\u03bd \u03b5\u03ba\u03c4\u03cc\u03be\u03b5\u03c5\u03c3\u03b7 \u03b4\u03bf\u03c1\u03c5\u03c6\u03cc\u03c1\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u0393\u03b7\u03c2, \u03b7 ESA \u03b1\u03bd\u03b1\u03c0\u03c4\u03cd\u03c3\u03c3\u03b5\u03b9 \u03c0\u03ad\u03bd\u03c4\u03b5 \u03bd\u03ad\u03bf\u03c5\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03c3\u03c4\u03b7\u03bc\u03b9\u03ba\u03ce\u03bd \u03c3\u03ba\u03b1\u03c6\u03ce\u03bd, \u03b3\u03bd\u03c9\u03c3\u03c4\u03ce\u03bd \u03c9\u03c2 \u00abSentinels\u00bb. \u039a\u03ac\u03b8\u03b5 \u03b1\u03c0\u03bf\u03c3\u03c4\u03bf\u03bb\u03ae \u00abSentinel\u00bb \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b4\u03af\u03b4\u03c5\u03bc\u03bf\u03c5\u03c2 \u03b4\u03bf\u03c1\u03c5\u03c6\u03cc\u03c1\u03bf\u03c5\u03c2, \u03c0\u03c1\u03bf\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03bd\u03b1 \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03b9\u03c3\u03c4\u03b5\u03af \u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b4\u03c5\u03bd\u03b1\u03c4\u03ae \u03ba\u03ac\u03bb\u03c5\u03c8\u03b7 \u03c4\u03b7\u03c2 \u0393\u03b7\u03c2.<\/p>\n<\/div>\n<p>\u0391\u03c5\u03c4\u03ac \u03c4\u03b1 \u00ab\u03bc\u03ac\u03c4\u03b9\u03b1 \u03c3\u03c4\u03bf\u03bd \u03bf\u03c5\u03c1\u03b1\u03bd\u03cc\u00bb \u03b8\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b4\u03af\u03b4\u03bf\u03c5\u03bd \u03c4\u03b5\u03c1\u03ac\u03c3\u03c4\u03b9\u03b5\u03c2 \u03c0\u03bf\u03c3\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c4\u03bc\u03cc\u03c3\u03c6\u03b1\u03b9\u03c1\u03b1 \u03c4\u03b7\u03c2 \u0393\u03b7\u03c2. \u039f\u03b9 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03b8\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03bf\u03cd\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03c3\u03b9\u03b1\u03ba\u03ad\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03bf\u03c2 \u00abCopernicus\u00bb.<\/p>\n<p>\u03a4\u03bf Sentinel-1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b1\u03c0\u03bf\u03c3\u03c4\u03bf\u03bb\u03ae \u03bb\u03ae\u03c8\u03b7\u03c2 \u03b5\u03b9\u03ba\u03cc\u03bd\u03c9\u03bd \u03bc\u03b5 \u03c1\u03b1\u03bd\u03c4\u03ac\u03c1 \u03c0\u03bf\u03c5 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c5\u03c0\u03cc \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03ba\u03b1\u03b9\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2, \u03c4\u03cc\u03c3\u03bf \u03c4\u03b7 \u03bc\u03ad\u03c1\u03b1 \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03bd\u03cd\u03c7\u03c4\u03b1. \u039c\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03c0\u03bf\u03bb\u03c5\u03ac\u03c1\u03b9\u03b8\u03bc\u03c9\u03bd \u03ba\u03b1\u03b8\u03b7\u03ba\u03cc\u03bd\u03c4\u03c9\u03bd \u03c4\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b7 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b8\u03b1\u03bb\u03ac\u03c3\u03c3\u03b9\u03bf\u03c5 \u03c0\u03ac\u03b3\u03bf\u03c5 \u03c4\u03b7\u03c2 \u0391\u03c1\u03ba\u03c4\u03b9\u03ba\u03ae\u03c2, \u03bf \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b8\u03b1\u03bb\u03ac\u03c3\u03c3\u03b9\u03b1\u03c2 \u03c1\u03cd\u03c0\u03b1\u03bd\u03c3\u03b7\u03c2 (\u03cc\u03c0\u03c9\u03c2 \u03bf\u03b9 \u03b4\u03b9\u03b1\u03c1\u03c1\u03bf\u03ad\u03c2 \u03c0\u03b5\u03c4\u03c1\u03b5\u03bb\u03b1\u03af\u03bf\u03c5), \u03b7 \u03c7\u03b1\u03c1\u03c4\u03bf\u03b3\u03c1\u03ac\u03c6\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03ba\u03b9\u03bd\u03ae\u03c3\u03b5\u03c9\u03bd \u03c4\u03bf\u03c5 \u03b5\u03b4\u03ac\u03c6\u03bf\u03c5\u03c2, \u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03c4\u03c9\u03bd \u03b4\u03b1\u03c3\u03ce\u03bd, \u03c4\u03c9\u03bd \u03c5\u03b4\u03ac\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03b5\u03b4\u03ac\u03c6\u03bf\u03c5\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03c5\u03c0\u03bf\u03c3\u03c4\u03ae\u03c1\u03b9\u03be\u03b7 \u03c4\u03c9\u03bd \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03c9\u03bd \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae\u03c2 \u03b2\u03bf\u03ae\u03b8\u03b5\u03b9\u03b1\u03c2 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ce\u03bd. \u039f \u03b4\u03bf\u03c1\u03c5\u03c6\u03cc\u03c1\u03bf\u03c2 Sentinel-1A, \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03bf\u03bb\u03b9\u03ba\u03ae \u03c4\u03c1\u03bf\u03c7\u03b9\u03ac, \u03b5\u03ba\u03c4\u03bf\u03be\u03b5\u03cd\u03b8\u03b7\u03ba\u03b5 \u03c3\u03c4\u03b9\u03c2 3 \u0391\u03c0\u03c1\u03b9\u03bb\u03af\u03bf\u03c5 2014. \u039f \u03b4\u03af\u03b4\u03c5\u03bc\u03bf\u03c2 \u03b4\u03bf\u03c1\u03c5\u03c6\u03cc\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5, \u03bf Sentinel-1B, \u03b5\u03ba\u03c4\u03bf\u03be\u03b5\u03cd\u03b8\u03b7\u03ba\u03b5 \u03b4\u03cd\u03bf \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1 \u03b1\u03c1\u03b3\u03cc\u03c4\u03b5\u03c1\u03b1, \u03c3\u03c4\u03b9\u03c2 25 \u0391\u03c0\u03c1\u03b9\u03bb\u03af\u03bf\u03c5 2016.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"Astrium GmbH\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/02\/Sentinel-22\" 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\/2012\/02\/sentinel-22\/17878552-2-eng-GB\/Sentinel-2.jpg\" alt=\"Sentinel-2\"><figcaption>Sentinel-2<\/figcaption><\/figure>\n<p>\u03a4\u03bf Sentinel-2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03ba\u03cc\u03bc\u03b7 \u03b6\u03b5\u03cd\u03b3\u03bf\u03c2 \u03b4\u03bf\u03c1\u03c5\u03c6\u03cc\u03c1\u03c9\u03bd \u03c3\u03b5 \u03c0\u03bf\u03bb\u03b9\u03ba\u03ae \u03c4\u03c1\u03bf\u03c7\u03b9\u03ac. \u0398\u03b1 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03b5\u03af\u03c2 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03b2\u03bb\u03ac\u03c3\u03c4\u03b7\u03c3\u03b7\u03c2, \u03c4\u03bf\u03c5 \u03b5\u03b4\u03ac\u03c6\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03c5\u03b4\u03ac\u03c4\u03b9\u03bd\u03b7\u03c2 \u03ba\u03ac\u03bb\u03c5\u03c8\u03b7\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03c0\u03b1\u03c1\u03ac\u03ba\u03c4\u03b9\u03c9\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ce\u03bd. \u039f Sentinel-2A \u03b5\u03ba\u03c4\u03bf\u03be\u03b5\u03cd\u03b8\u03b7\u03ba\u03b5 \u03c3\u03c4\u03b9\u03c2 23 \u0399\u03bf\u03c5\u03bd\u03af\u03bf\u03c5 2015. \u039f Sentinel-2B \u03b5\u03ba\u03c4\u03bf\u03be\u03b5\u03cd\u03b8\u03b7\u03ba\u03b5 \u03c3\u03c4\u03b9\u03c2 7 \u039c\u03b1\u03c1\u03c4\u03af\u03bf\u03c5 2017.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"ESA\u2013J. Huart\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/02\/Sentinel-32\" 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\/2012\/02\/sentinel-32\/17871448-2-eng-GB\/Sentinel-3.jpg\" alt=\"Sentinel-3\"><figcaption>Sentinel-3<\/figcaption><\/figure>\n<p>\u03a4\u03b1 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03cc\u03c1\u03b3\u03b1\u03bd\u03b1 \u03c4\u03bf\u03c5 Sentinel-3 \u03b8\u03b1 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03bf \u03cd\u03c8\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03b8\u03ac\u03bb\u03b1\u03c3\u03c3\u03b1\u03c2, \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03be\u03b7\u03c1\u03ac\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03b8\u03ac\u03bb\u03b1\u03c3\u03c3\u03b1\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c7\u03c1\u03ce\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03c9\u03ba\u03b5\u03b1\u03bd\u03bf\u03cd (\u03c0\u03bf\u03c5 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03bc\u03b9\u03ba\u03c1\u03bf\u03c3\u03ba\u03bf\u03c0\u03b9\u03ba\u03ac \u03b6\u03c9\u03bd\u03c4\u03b1\u03bd\u03ac \u03bf\u03c1\u03b3\u03b1\u03bd\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2). \u039f Sentinel-3A \u03b5\u03ba\u03c4\u03bf\u03be\u03b5\u03cd\u03b8\u03b7\u03ba\u03b5 \u03bc\u03b5 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 16 \u03a6\u03b5\u03b2\u03c1\u03bf\u03c5\u03b1\u03c1\u03af\u03bf\u03c5 2016, \u03b5\u03bd\u03ce \u03b7 \u03b5\u03ba\u03c4\u03cc\u03be\u03b5\u03c5\u03c3\u03b7 \u03c4\u03bf\u03c5 Sentinel-3B \u03ad\u03c7\u03b5\u03b9 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03c4\u03bf 2017.<\/p>\n<p>\u03a4\u03cc\u03c3\u03bf \u03bf Sentinel-4 \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03bf Sentinel-5 \u03b8\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03ad\u03c1\u03b1, \u03c4\u03bf \u03c3\u03c4\u03c1\u03ce\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03cc\u03b6\u03bf\u03bd\u03c4\u03bf\u03c2, \u03c4\u03b7\u03bd \u03b7\u03bb\u03b9\u03b1\u03ba\u03ae \u03b1\u03ba\u03c4\u03b9\u03bd\u03bf\u03b2\u03bf\u03bb\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03bb\u03b9\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b1\u03bb\u03bb\u03b1\u03b3\u03ae. \u039f Sentinel-4 \u03b8\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03cc\u03c1\u03b3\u03b1\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c0\u03af \u03b4\u03cd\u03bf \u03bc\u03b5\u03c4\u03b5\u03c9\u03c1\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ce\u03bd \u03b4\u03bf\u03c1\u03c5\u03c6\u03cc\u03c1\u03c9\u03bd \u03c4\u03b7\u03c2 \u03c4\u03c1\u03af\u03c4\u03b7\u03c2 \u03b3\u03b5\u03bd\u03b9\u03ac\u03c2 Meteosat, \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03bf\u03b9 \u03b8\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c4\u03c1\u03bf\u03c7\u03b9\u03ac \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b9\u03c3\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03cc.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1280\" data-credit=\"ESA-P. Carril, 2012\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/11\/Sentinel-5_precursor2\" 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\/2012\/11\/sentinel-5_precursor2\/18245958-2-eng-GB\/Sentinel-5_precursor.jpg\" alt=\"Sentinel-5 precursor\"><figcaption>\u03a0\u03c1\u03cc\u03b4\u03c1\u03bf\u03bc\u03bf\u03c2 \u03c4\u03bf\u03c5 Sentinel-5<\/figcaption><\/figure>\n<p>\u03a4\u03b1 \u03cc\u03c1\u03b3\u03b1\u03bd\u03b1 \u03c4\u03bf\u03c5 Sentinel-5 \u03b8\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1\u03bd \u03b4\u03bf\u03c1\u03c5\u03c6\u03cc\u03c1\u03bf MetOp \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7\u03c2 \u03b3\u03b5\u03bd\u03b9\u03ac\u03c2 (MSG) \u03c3\u03b5 \u03c0\u03bf\u03bb\u03b9\u03ba\u03ae \u03c4\u03c1\u03bf\u03c7\u03b9\u03ac, \u03bf \u03bf\u03c0\u03bf\u03af\u03bf\u03c2 \u03b8\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03bf\u03bb\u03cd \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03bf \u03c5\u03c8\u03cc\u03bc\u03b5\u03c4\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd Sentinel-4.<\/p>","protected":false},"excerpt":{"rendered":"<p>Based on over 30 years of experience in flying Earth observation satellites, ESA is developing five new types of spacecraft, known as Sentinels. Each Sentinel mission is made up of [&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\/2007\/05\/sentinel-12\/17892760-2-eng-GB\/Sentinel-1.jpg","esa_banner_description":"Sentinel-1","esa_banner_credit":"ESA\/P. 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