{"id":391,"date":"2018-05-07T12:06:00","date_gmt":"2018-05-07T10:06:00","guid":{"rendered":"https:\/\/kids.esa.int\/mystery_of_the_missing_matter\/"},"modified":"2026-10-08T00:27:38","modified_gmt":"2026-10-07T22:27:38","slug":"mystery_of_the_missing_matter","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/el\/mystery_of_the_missing_matter\/","title":{"rendered":"\u03a4\u03bf \u03bc\u03c5\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf \u03c4\u03b7\u03c2 \u03c7\u03b1\u03bc\u03ad\u03bd\u03b7\u03c2 \u03cd\u03bb\u03b7\u03c2"},"content":{"rendered":"<div class=\"lede\">\n<p>\u0393\u03bd\u03c9\u03c1\u03af\u03b6\u03b1\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03bb\u03b5\u03af\u03c0\u03b5\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1 \u03cd\u03bb\u03b7 \u03b1\u03c0\u03cc \u03c4\u03bf \u03a3\u03cd\u03bc\u03c0\u03b1\u03bd; \u038a\u03c3\u03c9\u03c2 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03b1\u03ba\u03bf\u03cd\u03c3\u03b5\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03ba\u03bf\u03c4\u03b5\u03b9\u03bd\u03ae \u03cd\u03bb\u03b7, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03bc\u03c5\u03c3\u03c4\u03b7\u03c1\u03b9\u03ce\u03b4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03b1\u03ba\u03cc\u03bc\u03b7 \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03c4\u03b5\u03af \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03bf\u03bd\u03b5\u03c2. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03ba\u03b1\u03b9 \u03b7 \u03c3\u03c5\u03bd\u03b7\u03b8\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7 \u03cd\u03bb\u03b7, \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03c0\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5: \u03c4\u03b1 \u03ac\u03c3\u03c4\u03c1\u03b1, \u03bf\u03b9 \u03c0\u03bb\u03b1\u03bd\u03ae\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03cc\u03bb\u03b1 \u03cc\u03c3\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03b4\u03bf\u03cd\u03bc\u03b5, \u03bd\u03b1 \u03b1\u03b3\u03b3\u03af\u03be\u03bf\u03c5\u03bc\u03b5 \u03ae \u03bd\u03b1 \u03bc\u03c5\u03c1\u03af\u03c3\u03bf\u03c5\u03bc\u03b5, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03be\u03af\u03c3\u03bf\u03c5 \u03bc\u03c5\u03c3\u03c4\u03b7\u03c1\u03b9\u03ce\u03b4\u03b7\u03c2! \u039c\u03b5\u03bb\u03b5\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03bf\u03bd\u03c4\u03b9\u03bd\u03bf\u03cd\u03c2 \u03b3\u03b1\u03bb\u03b1\u03be\u03af\u03b5\u03c2, \u03b4\u03b9\u03b1\u03c0\u03b9\u03c3\u03c4\u03ce\u03c3\u03b1\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03b9 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03c1\u03b5\u03b9\u03c2 \u03c6\u03bf\u03c1\u03ad\u03c2 \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03b7 \u03cd\u03bb\u03b7 \u03b1\u03c0\u03cc \u03cc,\u03c4\u03b9 \u03b8\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1\u03bc\u03b5. \u039f \u03b4\u03b9\u03ba\u03cc\u03c2 \u03bc\u03b1\u03c2 \u03b3\u03b1\u03bb\u03b1\u03be\u03af\u03b1\u03c2 \u2013 \u03bf \u0393\u03b1\u03bb\u03b1\u03be\u03af\u03b1\u03c2 \u03bc\u03b1\u03c2 \u2013 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03b9\u03c3\u03cc \u03c4\u03b7\u03c2 \u03cd\u03bb\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03ad\u03c0\u03c1\u03b5\u03c0\u03b5! \u03a0\u03bf\u03cd \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ae \u03b7 \u03cd\u03bb\u03b7 \u03c0\u03bf\u03c5 \u03bb\u03b5\u03af\u03c0\u03b5\u03b9;<\/p>\n<\/div>\n<p>\u039f\u03b9 \u03b1\u03c3\u03c4\u03c1\u03bf\u03bd\u03cc\u03bc\u03bf\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b1\u03c6\u03b9\u03b5\u03c1\u03ce\u03c3\u03b5\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c7\u03c1\u03cc\u03bd\u03bf \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03c0\u03ac\u03b8\u03b5\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c0\u03b1\u03b8\u03ce\u03bd\u03c4\u03b1\u03c2 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u00ab\u03b5\u03be\u03b1\u03c6\u03b1\u03bd\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7\u00bb \u03cd\u03bb\u03b7. \u0391\u03bd\u03c4\u03af \u03bd\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03ba\u03cd\u03c1\u03b9\u03bf \u03c4\u03bc\u03ae\u03bc\u03b1 \u03c4\u03c9\u03bd \u03b3\u03b1\u03bb\u03b1\u03be\u03b9\u03ce\u03bd, \u03cc\u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03c0\u03bb\u03b5\u03b9\u03bf\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03ac\u03c3\u03c4\u03c1\u03c9\u03bd, \u03bc\u03b9\u03b1 \u03bf\u03bc\u03ac\u03b4\u03b1 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ce\u03bd \u03c3\u03ba\u03ad\u03c6\u03c4\u03b7\u03ba\u03b5: \u03af\u03c3\u03c9\u03c2 \u03b1\u03c5\u03c4\u03ae \u03b7 \u03cd\u03bb\u03b7 \u03bd\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03b1\u03bb\u03cc\u03b3\u03b9\u03b1 \u03c4\u03c9\u03bd \u03b3\u03b1\u03bb\u03b1\u03be\u03b9\u03ce\u03bd. \u03a4\u03b1 \u03b1\u03bb\u03cc\u03b3\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03cd \u03b1\u03b5\u03c1\u03af\u03bf\u03c5 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03c5\u03bd \u03c4\u03bf\u03c5\u03c2 \u03b3\u03b1\u03bb\u03b1\u03be\u03af\u03b5\u03c2. \u0395\u03af\u03bd\u03b1\u03b9 \u03b4\u03cd\u03c3\u03ba\u03bf\u03bb\u03bf \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b7\u03b8\u03bf\u03cd\u03bd \u03c4\u03b1 \u03b1\u03bb\u03cc\u03b3\u03b9\u03b1, \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b1\u03c3\u03c4\u03c1\u03bf\u03bd\u03cc\u03bc\u03bf\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bc\u03cc\u03bd\u03bf \u03bd\u03b1 \u03c1\u03af\u03be\u03bf\u03c5\u03bd \u03bc\u03b9\u03b1 \u03bc\u03b1\u03c4\u03b9\u03ac \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ac, \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03cd \u03bc\u03b1\u03ba\u03c1\u03b9\u03ac. \u039c\u03ae\u03c0\u03c9\u03c2 \u03c4\u03b1 \u03b1\u03bb\u03cc\u03b3\u03b9\u03b1 \u03c4\u03c9\u03bd \u03b3\u03b1\u03bb\u03b1\u03be\u03b9\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c4\u03ad\u03bb\u03b5\u03b9\u03b1 \u03ba\u03c1\u03c5\u03c8\u03ce\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c7\u03b1\u03bc\u03ad\u03bd\u03b7 \u03cd\u03bb\u03b7 \u03c4\u03bf\u03c5 \u03a3\u03cd\u03bc\u03c0\u03b1\u03bd\u03c4\u03bf\u03c2;<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"2500\" data-credit=\"ESA-C. Carreau\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/XMM-Newton\" 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\/2018\/05\/xmm-newton\/17879070-2-eng-GB\/XMM-Newton.jpg\" alt=\"XMM-Newton\"><figcaption>XMM-Newton<\/figcaption><\/figure>\n<p>\u039c\u03b9\u03b1 \u03bf\u03bc\u03ac\u03b4\u03b1 \u03b1\u03c3\u03c4\u03c1\u03bf\u03bd\u03cc\u03bc\u03c9\u03bd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c4\u03b7\u03bc\u03b9\u03ba\u03cc \u03c4\u03b7\u03bb\u03b5\u03c3\u03ba\u03cc\u03c0\u03b9\u03bf \u03c4\u03b7\u03c2 ESA, \u03c4\u03bf XMM-Newton, \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b1 \u03c6\u03c9\u03c4\u03bf\u03c3\u03c4\u03ad\u03c6\u03b1\u03bd\u03b1 \u03c4\u03c9\u03bd \u03b3\u03b1\u03bb\u03b1\u03be\u03b9\u03ce\u03bd \u03c3\u03b5 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03b2\u03ac\u03b8\u03bf\u03c2 \u03b1\u03c0\u03cc \u03cc,\u03c4\u03b9 \u03c3\u03c4\u03bf \u03c0\u03b1\u03c1\u03b5\u03bb\u03b8\u03cc\u03bd, \u03bc\u03b5 \u03c3\u03ba\u03bf\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03b6\u03ae\u03c4\u03b7\u03c3\u03b7 \u03cd\u03bb\u03b7\u03c2. \u03a4\u03bf XMM-Newton \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c4\u03b7\u03bb\u03b5\u03c3\u03ba\u03cc\u03c0\u03b9\u03bf \u03b1\u03ba\u03c4\u03af\u03bd\u03c9\u03bd \u03a7, \u03c0\u03c1\u03ac\u03b3\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03b2\u03bb\u03ad\u03c0\u03b5\u03b9 \u03c4\u03bf \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03cc \u03c6\u03c9\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03bd\u03b9\u03c7\u03bd\u03b5\u03cd\u03c3\u03bf\u03c5\u03bd \u03c4\u03b1 \u03bc\u03ac\u03c4\u03b9\u03b1 \u03bc\u03b1\u03c2, \u03b1\u03bb\u03bb\u03ac \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b5\u03af \u03b1\u03ba\u03c4\u03af\u03bd\u03b5\u03c2 \u03a7. \u0397 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03c4\u03c9\u03bd \u03b1\u03bb\u03cc\u03b3\u03c9\u03bd \u03c4\u03c9\u03bd \u03b3\u03b1\u03bb\u03b1\u03be\u03b9\u03ce\u03bd \u03bc\u03b5 \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03b1\u03ba\u03c4\u03af\u03bd\u03c9\u03bd \u03a7 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2!<\/p>\n<p>\u0397 \u03bf\u03bc\u03ac\u03b4\u03b1 \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b5 \u03ad\u03be\u03b9 \u03c3\u03c0\u03b5\u03b9\u03c1\u03bf\u03b5\u03b9\u03b4\u03b5\u03af\u03c2 \u03b3\u03b1\u03bb\u03b1\u03be\u03af\u03b5\u03c2, \u03b1\u03bd\u03b1\u03b6\u03b7\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03cd\u03c0\u03b1\u03c1\u03be\u03b7 \u03cd\u03bb\u03b7\u03c2. \u0391\u03c6\u03bf\u03cd \u03ad\u03bb\u03b5\u03b3\u03be\u03b1\u03bd \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1, \u03ae\u03c4\u03b1\u03bd \u03ad\u03c4\u03bf\u03b9\u03bc\u03bf\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03ba\u03bf\u03b9\u03bd\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03ac \u03c4\u03bf\u03c5\u03c2: \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03c4\u03b1 \u03c4\u03c1\u03af\u03b1 \u03c4\u03ad\u03c4\u03b1\u03c1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7\u03c2 \u03cd\u03bb\u03b7\u03c2 \u03b5\u03be\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03c3\u03b1\u03bd \u03bd\u03b1 \u03bb\u03b5\u03af\u03c0\u03bf\u03c5\u03bd!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"3774\" data-credit=\"ESA\/XMM-Newton; J-T. Li (University of Michigan, USA); Sloan Digital Sky Survey (SDSS)\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/Searching_galactic_haloes_for_missing_matter\" 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\/2018\/05\/searching_galactic_haloes_for_missing_matter\/17907606-2-eng-GB\/Searching_galactic_haloes_for_missing_matter.jpg\" alt=\"Searching galactic haloes for \u2018missing\u2019 matter\"><figcaption>\u0391\u03bd\u03b1\u03b6\u03ae\u03c4\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u2018\u03b5\u03be\u03b1\u03c6\u03b1\u03bd\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7\u03c2\u2019 \u03cd\u03bb\u03b7\u03c2 \u03c3\u03c4\u03b1 \u03b3\u03b1\u03bb\u03b1\u03be\u03b9\u03b1\u03ba\u03ac \u03c6\u03c9\u03c4\u03bf\u03c3\u03c4\u03ad\u03c6\u03b1\u03bd\u03b1<\/figcaption><\/figure>\n<p>\u03a0\u03bf\u03cd \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd \u03bd\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9; \u03a5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03bc\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03b8\u03b5\u03c9\u03c1\u03af\u03b5\u03c2. \u038a\u03c3\u03c9\u03c2 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bf\u03b8\u03b7\u03ba\u03b5\u03c5\u03bc\u03ad\u03bd\u03b7 \u03c3\u03b5 \u03ba\u03ac\u03c0\u03bf\u03b9\u03bf \u03b5\u03af\u03b4\u03bf\u03c2 \u03b1\u03b5\u03c1\u03af\u03bf\u03c5 \u03c0\u03bf\u03c5 \u03b4\u03c5\u03c3\u03ba\u03bf\u03bb\u03b5\u03c5\u03cc\u03bc\u03b1\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5. \u0398\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b1\u03ba\u03cc\u03bc\u03b7 \u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03b5\u03b9. \u0389 \u03af\u03c3\u03c9\u03c2 \u03b7 \u03cd\u03bb\u03b7 \u03bd\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b5\u03ba\u03b5\u03af, \u03c3\u03c4\u03b1 \u03c6\u03c9\u03c4\u03bf\u03c3\u03c4\u03ad\u03c6\u03b1\u03bd\u03b1, \u03b1\u03bb\u03bb\u03ac \u03bf\u03b9 \u03b1\u03ba\u03c4\u03af\u03bd\u03b5\u03c2 \u03a7 \u03c4\u03b7\u03c2 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03cc\u03c3\u03bf \u03b1\u03b4\u03cd\u03bd\u03b1\u03bc\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03bf\u03cd\u03c4\u03b5 \u03ba\u03b1\u03bd \u03c4\u03bf XMM-Newton \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c4\u03b9\u03c2 \u03b1\u03bd\u03b9\u03c7\u03bd\u03b5\u03cd\u03c3\u03b5\u03b9.<\/p>\n<p>\u039f\u03b9 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03bf\u03bd\u03b5\u03c2 \u03b5\u03c0\u03b9\u03b8\u03c5\u03bc\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b5\u03c7\u03af\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1. \u038a\u03c3\u03c9\u03c2 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1 \u03bc\u03ad\u03c1\u03b1 \u03bd\u03b1 \u03bb\u03cd\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03bc\u03c5\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf \u03c4\u03b7\u03c2 \u03c7\u03b1\u03bc\u03ad\u03bd\u03b7\u03c2 \u03cd\u03bb\u03b7\u03c2!<\/p>\n<p><b>\u0395\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf:<\/b> \u03a4\u03bf \u03bc\u03b5\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03cc \u00ab\u03a0\u03c1\u03bf\u03b7\u03b3\u03bc\u03ad\u03bd\u03bf \u03a4\u03b7\u03bb\u03b5\u03c3\u03ba\u03cc\u03c0\u03b9\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u0391\u03c3\u03c4\u03c1\u03bf\u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03a5\u03c8\u03b7\u03bb\u03ce\u03bd \u0395\u03bd\u03b5\u03c1\u03b3\u03b5\u03b9\u03ce\u03bd\u00bb (Advanced Telescope for High-ENergy Astrophysics) \u03c4\u03b7\u03c2 ESA \u03b8\u03b1 \u03b4\u03b9\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03be\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03c4\u03c9\u03bd \u03b3\u03b1\u03bb\u03b1\u03be\u03b9\u03ce\u03bd, \u03b1\u03bd\u03b1\u03b6\u03b7\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u00ab\u03b5\u03be\u03b1\u03c6\u03b1\u03bd\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7 \u03cd\u03bb\u03b7\u00bb.<\/p>","protected":false},"excerpt":{"rendered":"<p>Did you know that the Universe seems to be missing some matter? You may have heard of dark matter, which is very mysterious and has yet to be found by [&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\/2018\/05\/anatomy_of_the_milky_way\/17882733-2-eng-GB\/Anatomy_of_the_Milky_Way.jpg","esa_banner_description":"Anatomy of the Milky Way","esa_banner_credit":"NASA\/JPL-Caltech; right: ESA; layout: ESA\/ATG medialab","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/Anatomy_of_the_Milky_Way","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":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-391","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts\/391","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=391"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts\/391\/revisions"}],"predecessor-version":[{"id":4438,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts\/391\/revisions\/4438"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/media?parent=391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/categories?post=391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/tags?post=391"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/panel?post=391"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/language?post=391"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/age?post=391"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/duration?post=391"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/resource_type?post=391"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/audience?post=391"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/wf_post_folders?post=391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}