{"id":193,"date":"2021-12-02T12:45:12","date_gmt":"2021-12-02T11:45:12","guid":{"rendered":"https:\/\/kids.esa.int\/comets\/"},"modified":"2026-10-08T00:25:20","modified_gmt":"2026-10-07T22:25:20","slug":"comets","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/el\/comets\/","title":{"rendered":"\u039a\u03bf\u03bc\u03ae\u03c4\u03b5\u03c2"},"content":{"rendered":"
\n

\u039f\u03b9 \u03ac\u03bd\u03b8\u03c1\u03c9\u03c0\u03bf\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03c1\u03c7\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c6\u03bf\u03b2\u03cc\u03bd\u03c4\u03bf\u03c5\u03c3\u03b1\u03bd \u03c4\u03bf\u03c5\u03c2 \u03ba\u03bf\u03bc\u03ae\u03c4\u03b5\u03c2 \u2013 \u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03bd \u03cc\u03c4\u03b9 \u03ad\u03c6\u03b5\u03c1\u03bd\u03b1\u03bd \u03ba\u03b1\u03ba\u03bf\u03c4\u03c5\u03c7\u03af\u03b1 \u03ae \u03c0\u03c1\u03bf\u03bc\u03ae\u03bd\u03c5\u03b1\u03bd \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03ad\u03c2. \u03a3\u03ae\u03bc\u03b5\u03c1\u03b1 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03ba\u03bf\u03bc\u03ae\u03c4\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03bf\u03af \u03c0\u03b1\u03b3\u03c9\u03bc\u03ad\u03bd\u03bf\u03b9 \u03ba\u03cc\u03c3\u03bc\u03bf\u03b9 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03c9\u03bd \u03c0\u03bb\u03b1\u03bd\u03b7\u03c4\u03ce\u03bd. \u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b4\u03b9\u03c3\u03b5\u03ba\u03b1\u03c4\u03bf\u03bc\u03bc\u03cd\u03c1\u03b9\u03b1 \u03ba\u03bf\u03bc\u03ae\u03c4\u03b5\u03c2 \u03c3\u03c4\u03b1 \u03ac\u03ba\u03c1\u03b1 \u03c4\u03bf\u03c5 \u0397\u03bb\u03b9\u03b1\u03ba\u03bf\u03cd \u03a3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2, \u03c0\u03ad\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c4\u03c1\u03bf\u03c7\u03b9\u03ac \u03c4\u03bf\u03c5 \u03a0\u03bb\u03bf\u03cd\u03c4\u03c9\u03bd\u03b1.<\/p>\n<\/div>\n

\u039f\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf\u03b9 \u03ba\u03bf\u03bc\u03ae\u03c4\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03cc\u03c3\u03bf \u03bc\u03b9\u03ba\u03c1\u03bf\u03af \u03ba\u03b1\u03b9 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03cc\u03c3\u03bf \u03bc\u03b1\u03ba\u03c1\u03b9\u03ac, \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03bf\u03cd\u03bc\u03b5, \u03b1\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b1 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03c4\u03b7\u03bb\u03b5\u03c3\u03ba\u03cc\u03c0\u03b9\u03b1. \u039c\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03cc\u03bc\u03c9\u03c2 \u03bd\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03cc\u03c4\u03b1\u03bd \u03c0\u03bb\u03b7\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf\u03bd \u0389\u03bb\u03b9\u03bf \u03ba\u03b1\u03b9 \u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03af\u03b6\u03bf\u03c5\u03bd \u03bf\u03c5\u03c1\u03ad\u03c2 \u03b1\u03c0\u03cc \u03b1\u03ad\u03c1\u03b9\u03bf \u03ba\u03b1\u03b9 \u03c3\u03ba\u03cc\u03bd\u03b7. (\u0397 \u03bb\u03ad\u03be\u03b7 \u2018\u03ba\u03bf\u03bc\u03ae\u03c4\u03b7\u03c2\u2019 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u00ab\u03c4\u03c1\u03b9\u03c7\u03c9\u03c4\u03cc \u03b1\u03c3\u03c4\u03ad\u03c1\u03b9\u00bb.)<\/p>\n

\u0397 \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u0389\u03bb\u03b9\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03ac\u03b3\u03bf\u03c5\u03c2 \u03c3\u03b5 \u03b1\u03ad\u03c1\u03b9\u03bf, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b5\u03ba\u03c4\u03bf\u03be\u03b5\u03cd\u03b5\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03b5\u03ba\u03b1\u03c4\u03bf\u03bc\u03bc\u03cd\u03c1\u03b9\u03b1 \u03c7\u03b9\u03bb\u03b9\u03cc\u03bc\u03b5\u03c4\u03c1\u03b1 \u03c3\u03c4\u03bf \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1. \u03a0\u03b1\u03c1\u03ac \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5\u03c2, \u03c4\u03b1 \u03c3\u03c9\u03bc\u03b1\u03c4\u03af\u03b4\u03b9\u03b1 \u03c3\u03ba\u03cc\u03bd\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03c5\u03bd \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03ba\u03cc\u03ba\u03ba\u03bf\u03c5\u03c2 \u03ac\u03bc\u03bc\u03bf\u03c5.<\/p>\n

\"Rosetta
Rosetta \u2013 \u03b7 \u03b5\u03be\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c4\u03c1\u03b9\u03b1 \u03ba\u03bf\u03bc\u03b7\u03c4\u03ce\u03bd<\/figcaption><\/figure>\n

\u039f\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03b9 \u03ba\u03bf\u03bc\u03ae\u03c4\u03b5\u03c2 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03cc\u03bd\u03bf \u03bb\u03af\u03b3\u03b1 \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ba\u03ac\u03bd\u03bf\u03c5\u03bd \u03ad\u03bd\u03b1\u03bd \u03c0\u03bb\u03ae\u03c1\u03b7 \u03b3\u03cd\u03c1\u03bf \u03b3\u03cd\u03c1\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u0389\u03bb\u03b9\u03bf. \u0386\u03bb\u03bb\u03bf\u03b9 \u2013 \u03cc\u03c0\u03c9\u03c2 \u03bf \u03ba\u03bf\u03bc\u03ae\u03c4\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03a7\u03ac\u03bb\u03b5\u03ca \u2013 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf. \u0386\u03bb\u03bb\u03bf\u03b9 \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03af\u03b1 \u03c6\u03bf\u03c1\u03ac \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03be\u03b1\u03bd\u03b1\u03c6\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03bf\u03c4\u03ad. \u03a4\u03bf \u03b4\u03b9\u03b1\u03c3\u03c4\u03b7\u03bc\u03b9\u03ba\u03cc \u03c3\u03ba\u03ac\u03c6\u03bf\u03c2 SOHO \u03c4\u03b7\u03c2 ESA \u03ad\u03c7\u03b5\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03b5\u03af \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03ba\u03ac\u03bb\u03c5\u03c8\u03b7 \u03c7\u03b9\u03bb\u03b9\u03ac\u03b4\u03c9\u03bd \u03bc\u03b9\u03ba\u03c1\u03ce\u03bd \u03ba\u03bf\u03bc\u03b7\u03c4\u03ce\u03bd \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c4\u03bf\u03cd\u03bd \u03c0\u03bf\u03bb\u03cd \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03c4\u03bf\u03bd \u0389\u03bb\u03b9\u03bf. \u03a0\u03bf\u03bb\u03bb\u03bf\u03af \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03bf\u03cd\u03c2 \u03c3\u03c5\u03bd\u03c4\u03c1\u03af\u03b2\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf\u03bd \u0389\u03bb\u03b9\u03bf \u03ae \u03b4\u03b9\u03b1\u03bb\u03cd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b9\u03c3\u03c7\u03c5\u03c1\u03ae \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5.<\/p>\n

\u03a4\u03bf 2014, \u03c4\u03bf \u03b5\u03c5\u03c1\u03c9\u03c0\u03b1\u03ca\u03ba\u03cc \u03b4\u03b9\u03b1\u03c3\u03c4\u03b7\u03bc\u03b9\u03ba\u03cc \u03c3\u03ba\u03ac\u03c6\u03bf\u03c2 \u00abRosetta\u00bb \u03b8\u03b1 \u03b3\u03c1\u03ac\u03c8\u03b5\u03b9 \u03b9\u03c3\u03c4\u03bf\u03c1\u03af\u03b1, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b8\u03b1 \u03b5\u03b9\u03c3\u03ad\u03bb\u03b8\u03b5\u03b9 \u03c3\u03b5 \u03c4\u03c1\u03bf\u03c7\u03b9\u03ac \u03b3\u03cd\u03c1\u03c9 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1\u03bd \u03ba\u03bf\u03bc\u03ae\u03c4\u03b7 \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03b1\u03c0\u03bf\u03c3\u03c4\u03b5\u03af\u03bb\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03ba\u03ac\u03c6\u03bf\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b3\u03b5\u03af\u03c9\u03c3\u03b7\u03c2 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03ac \u03c4\u03bf\u03c5.<\/p>","protected":false},"excerpt":{"rendered":"

Ancient people were afraid of comets \u2013 they were said to bring bad luck or foretell disaster. We now know that comets are small ice worlds that have been left […]<\/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\/2003\/04\/giotto_s_art_shows_a_comet_in_the_background2\/17913109-2-eng-GB\/Giotto_s_art_shows_a_comet_in_the_background.jpg","esa_banner_description":"Giotto's art shows a comet in the background","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2003\/04\/Giotto_s_art_shows_a_comet_in_the_background2","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":[46,10,11],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-193","post","type-post","status-publish","format-standard","hentry","category-comets-and-meteors","category-learn","category-our-universe","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts\/193","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=193"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts\/193\/revisions"}],"predecessor-version":[{"id":4350,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/posts\/193\/revisions\/4350"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/media?parent=193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/categories?post=193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/tags?post=193"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/panel?post=193"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/language?post=193"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/age?post=193"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/duration?post=193"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/resource_type?post=193"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/audience?post=193"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/el\/wp-json\/wp\/v2\/wf_post_folders?post=193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}