{"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\/ro\/mystery_of_the_missing_matter\/","title":{"rendered":"Misterul materiei disp\u0103rute"},"content":{"rendered":"<div class=\"lede\">\n<p>\u0218tia\u021bi c\u0103 Universului pare s\u0103-i lipseasc\u0103 o parte din materie? Poate a\u021bi auzit de materia \u00eentunecat\u0103, care este foarte misterioas\u0103 \u0219i nu a fost \u00eenc\u0103 descoperit\u0103 de oamenii de \u0219tiin\u021b\u0103. Cu toate acestea, \u0219i materia obi\u0219nuit\u0103, din care sunt alc\u0103tuite lucrurile cu care suntem obi\u0219nui\u021bi \u2013 stelele, planetele \u0219i tot ceea ce putem vedea, atinge sau mirosi \u2013 poate fi la r\u00e2ndul ei misterioas\u0103! Studiind galaxiile din vecin\u0103tatea noastr\u0103, am descoperit c\u0103 unele con\u021bin de trei ori mai pu\u021bin\u0103 materie dec\u00e2t ne-am a\u0219tepta. Propria noastr\u0103 galaxie \u2013 Calea Lactee \u2013 con\u021bine mai pu\u021bin de jum\u0103tate din materia pe care ar trebui s\u0103 o aib\u0103! Unde este aceast\u0103 materie lips\u0103?<\/p>\n<\/div>\n<p>Astronomii au dedicat mult timp \u0219i efort \u00eencerc\u00e2nd s\u0103 g\u0103seasc\u0103 materia disp\u0103rut\u0103. \u00cen loc s\u0103 se afle \u00een partea principal\u0103 a galaxiilor, unde se afl\u0103 majoritatea stelelor, un grup de cercet\u0103tori a avut o idee: poate c\u0103 aceast\u0103 materie se afl\u0103 \u00een halourile galaxiilor. Halourile sunt zone de gaz fierbinte care \u00eenconjoar\u0103 galaxiile. Este dificil s\u0103 se observe halourile, iar astronomii reu\u0219esc, de obicei, doar s\u0103 priveasc\u0103 \u00een interiorul lor, f\u0103r\u0103 a vedea prea departe. Ar putea halourile galaxiilor s\u0103 fie ascunz\u0103toarea perfect\u0103 pentru materia lips\u0103 a Universului?<\/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>O echip\u0103 de astronomi a folosit un telescop spa\u021bial al ESA, numit XMM-Newton, pentru a explora halourile galaxiilor mai \u00een profunzime dec\u00e2t p\u00e2n\u0103 acum, \u00een c\u0103utarea materiei. XMM-Newton este un telescop cu raze X, ceea ce \u00eenseamn\u0103 c\u0103 nu vede lumina obi\u0219nuit\u0103 pe care o pot detecta ochii no\u0219tri, ci observ\u0103 razele X. Studierea halourilor galacticelor cu ajutorul razelor X permite observa\u021bii mai bune!<\/p>\n<p>Echipa a analizat \u0219ase galaxii spirale, c\u0103ut\u00e2nd indicii care s\u0103 sugereze prezen\u021ba materiei. Dup\u0103 verificarea datelor, erau gata s\u0103-\u0219i anun\u021be rezultatele: aproape trei sferturi din materia preconizat\u0103 lipsea \u00een continuare!<\/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>C\u0103utarea materiei \u2018disp\u0103rute\u2019 \u00een halourile galactice<\/figcaption><\/figure>\n<p>Deci, unde ar putea fi? Exist\u0103 c\u00e2teva teorii. Poate c\u0103 este stocat\u0103 \u00eentr-un tip de gaz pe care ne este greu s\u0103-l observ\u0103m. Ar putea fi \u00eentr-o zon\u0103 a spa\u021biului pe care \u00eenc\u0103 nu am explorat-o. Sau poate c\u0103 materia se afl\u0103 chiar acolo, \u00een halouri, dar razele X emise de ea sunt prea slabe pentru a putea fi detectate chiar \u0219i de satelitul XMM-Newton.<\/p>\n<p>Oamenii de \u0219tiin\u021b\u0103 sunt dornici s\u0103 continue cercet\u0103rile. Poate c\u0103 \u00eentr-o zi vom dezlega misterul materiei disp\u0103rute!<\/p>\n<p><b>Un fapt interesant:<\/b> Viitorul telescop al ESA, denumit \u201eAdvanced Telescope for High-ENergy Astrophysics\u201d, va explora regiunile exterioare ale galaxiilor \u00een c\u0103utarea materiei disp\u0103rute.<\/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\/ro\/wp-json\/wp\/v2\/posts\/391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/comments?post=391"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/391\/revisions"}],"predecessor-version":[{"id":4438,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/391\/revisions\/4438"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/media?parent=391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/categories?post=391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/tags?post=391"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/panel?post=391"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/language?post=391"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/age?post=391"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/duration?post=391"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/resource_type?post=391"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/audience?post=391"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/wf_post_folders?post=391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}