{"id":491,"date":"2011-01-24T13:33:00","date_gmt":"2011-01-24T12:33:00","guid":{"rendered":"https:\/\/kids.esa.int\/black_holes\/"},"modified":"2026-10-08T00:28:49","modified_gmt":"2026-10-07T22:28:49","slug":"black_holes","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/el\/black_holes\/","title":{"rendered":"\u039c\u03b1\u03cd\u03c1\u03b5\u03c2 \u03c4\u03c1\u03cd\u03c0\u03b5\u03c2"},"content":{"rendered":"<div class=\"lede\">\n<p>\u039f\u03b9 \u03bc\u03b1\u03cd\u03c1\u03b5\u03c2 \u03c4\u03c1\u03cd\u03c0\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03c0\u03b9\u03bf \u03c0\u03b1\u03c1\u03ac\u03be\u03b5\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03c3\u03c4\u03bf \u03a3\u03cd\u03bc\u03c0\u03b1\u03bd. \u039c\u03b9\u03b1 \u03bc\u03b1\u03cd\u03c1\u03b7 \u03c4\u03c1\u03cd\u03c0\u03b1 \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1, \u03cc\u03c0\u03c9\u03c2 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\u03bc\u03ac\u03b6\u03b1\u03c2 \u03bd\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03bd\u03c4\u03c1\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03b1\u03c0\u03af\u03c3\u03c4\u03b5\u03c5\u03c4\u03b1 \u03bc\u03b9\u03ba\u03c1\u03ae \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae. \u0397 \u03b2\u03b1\u03c1\u03c5\u03c4\u03b9\u03ba\u03ae \u03ad\u03bb\u03be\u03b7 \u03b1\u03c5\u03c4\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03cc\u03c3\u03bf \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03c0\u03bf\u03c5 \u03c4\u03af\u03c0\u03bf\u03c4\u03b1 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03be\u03b5\u03c6\u03cd\u03b3\u03b5\u03b9 \u2013 \u03bf\u03cd\u03c4\u03b5 \u03ba\u03b1\u03bd \u03c4\u03bf \u03c6\u03c9\u03c2.<\/p>\n<\/div>\n<p>\u0391\u03bd \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03bc\u03b1\u03cd\u03c1\u03b5\u03c2 \u03c4\u03c1\u03cd\u03c0\u03b5\u03c2 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03c1\u03b1\u03c4\u03ad\u03c2, \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c4\u03c1\u03cc\u03c0\u03bf \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7 \u03c3\u03ba\u03cc\u03bd\u03b7, \u03c4\u03b1 \u03ac\u03c3\u03c4\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03b3\u03b1\u03bb\u03b1\u03be\u03af\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03bf\u03bd\u03c4\u03ac \u03c4\u03bf\u03c5\u03c2. \u03a0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b4\u03af\u03c3\u03ba\u03bf\u03c5\u03c2 \u03cd\u03bb\u03b7\u03c2. \u039a\u03b1\u03b8\u03ce\u03c2 \u03bf\u03b9 \u03b4\u03af\u03c3\u03ba\u03bf\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b3\u03cd\u03c1\u03c9 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03b1\u03bd \u03b4\u03af\u03bd\u03b7, \u03b8\u03b5\u03c1\u03bc\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c5\u03c8\u03b7\u03bb\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03ba\u03c0\u03ad\u03bc\u03c0\u03bf\u03c5\u03bd \u03b1\u03ba\u03c4\u03af\u03bd\u03b5\u03c2 \u03a7.<\/p>\n<p>\u039f\u03b9 \u03bc\u03b1\u03cd\u03c1\u03b5\u03c2 \u03c4\u03c1\u03cd\u03c0\u03b5\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03bb\u03ac \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5\u03b3\u03ad\u03b8\u03b7. \u03a0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ad\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03bc\u03ac\u03b6\u03b1 \u03bc\u03cc\u03bb\u03b9\u03c2 \u03bc\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c6\u03bf\u03c1\u03ad\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ae \u03c4\u03bf\u03c5 \u0389\u03bb\u03b9\u03bf\u03c5. \u0391\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03bc\u03b1\u03cd\u03c1\u03b5\u03c2 \u03c4\u03c1\u03cd\u03c0\u03b5\u03c2 \u2018\u03b1\u03c3\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03bc\u03ac\u03b6\u03b1\u03c2\u2019 \u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b1\u03bd \u03ad\u03bd\u03b1 \u03b2\u03b1\u03c1\u03cd \u03b1\u03c3\u03c4\u03ad\u03c1\u03b9, \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 10 \u03c6\u03bf\u03c1\u03ad\u03c2 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u0389\u03bb\u03b9\u03bf, \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03ce\u03bd\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ba\u03cd\u03ba\u03bb\u03bf \u03c4\u03b7\u03c2 \u03b6\u03c9\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03ad\u03ba\u03c1\u03b7\u03be\u03b7 \u03c3\u03bf\u03c5\u03c0\u03b5\u03c1\u03bd\u03cc\u03b2\u03b1. \u038c,\u03c4\u03b9 \u03b1\u03c0\u03bf\u03bc\u03ad\u03bd\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ac\u03c3\u03c4\u03c1\u03bf \u2013 \u03c0\u03bf\u03c5 \u03b5\u03be\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03ac\u03b6\u03b1 \u03b1\u03c1\u03ba\u03b5\u03c4\u03ce\u03bd \u03b7\u03bb\u03b9\u03b1\u03ba\u03ce\u03bd \u03bc\u03ac\u03b6\u03c9\u03bd \u2013 \u03c3\u03c5\u03bc\u03c0\u03b9\u03ad\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03b4\u03b9\u03b1\u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03bc\u03cc\u03bb\u03b9\u03c2 \u03bb\u03af\u03b3\u03c9\u03bd \u03c7\u03b9\u03bb\u03b9\u03bf\u03bc\u03ad\u03c4\u03c1\u03c9\u03bd.<\/p>\n<p>\u039f\u03b9 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\u03bc\u03b1\u03c2. \u039f\u03b9 \u03c5\u03c0\u03b5\u03c1\u03bc\u03b1\u03b6\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b1\u03cd\u03c1\u03b5\u03c2 \u03c4\u03c1\u03cd\u03c0\u03b5\u03c2 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03bf\u03cd\u03bd \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03cd\u03c2 \u03b3\u03b1\u03bb\u03b1\u03be\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c1\u03c7\u03b1\u03af\u03bf\u03c5\u03c2 \u03b3\u03b1\u03bb\u03b1\u03be\u03af\u03b5\u03c2, \u03b3\u03bd\u03c9\u03c3\u03c4\u03bf\u03cd\u03c2 \u03c9\u03c2 \u03ba\u03b2\u03ac\u03b6\u03b1\u03c1. \u03a4\u03b1 \u03ba\u03b2\u03ac\u03b6\u03b1\u03c1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03ba\u03b1\u03c4\u03bf\u03bd\u03c4\u03ac\u03b4\u03b5\u03c2 \u03c6\u03bf\u03c1\u03ad\u03c2 \u03c0\u03b9\u03bf \u03c6\u03c9\u03c4\u03b5\u03b9\u03bd\u03ac \u03b1\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf\u03c5\u03c2 \u03c3\u03c5\u03bd\u03b7\u03b8\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03b3\u03b1\u03bb\u03b1\u03be\u03af\u03b5\u03c2.<\/p>\n<p>\u03a4\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03ad\u03c6\u03c4\u03bf\u03c5\u03bd \u03c3\u03b5 \u03bc\u03b1\u03cd\u03c1\u03b5\u03c2 \u03c4\u03c1\u03cd\u03c0\u03b5\u03c2 \u03c4\u03b5\u03bd\u03c4\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03c5\u03c1\u03b9\u03bf\u03bb\u03b5\u03ba\u03c4\u03b9\u03ba\u03ac \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b8\u03c1\u03b1\u03cd\u03c3\u03b7\u03c2. \u0388\u03bd\u03b1\u03c2 \u03b1\u03c3\u03c4\u03c1\u03bf\u03bd\u03b1\u03cd\u03c4\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03c4\u03bf\u03bb\u03bc\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03c0\u03bb\u03b7\u03c3\u03b9\u03ac\u03c3\u03b5\u03b9 \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03b1\u03c0\u03bf\u03c1\u03c1\u03bf\u03c6\u03bf\u03cd\u03bd\u03c4\u03b1\u03bd \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03bc\u03b1\u03cd\u03c1\u03b7 \u03c4\u03c1\u03cd\u03c0\u03b1 \u03b8\u03b1 \u03b4\u03b9\u03b1\u03bc\u03b5\u03bb\u03b9\u03c3\u03c4\u03b5\u03af \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03ba\u03b1\u03c4\u03b1\u03bd\u03af\u03ba\u03b7\u03c4\u03b7 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1.<\/p>\n<nav class=\"related\" aria-label=\"\u03a3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac\">\n<h2 class=\"related__heading\">\u03a3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac<\/h2>\n<div class=\"grid related__grid\">\n<div class=\"grid-item\">\n<article class=\"card focuson agency\"><a class=\"card__link\" href=\"\/el\/sorte_huller\/\"><\/p>\n<figure class=\"thumbnail\"><span class=\"dimmer\"><\/span><\/figure>\n<header class=\"entry\">\n<h3 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A black hole does not have a surface, like a planet or star. 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