{"id":17335,"date":"2011-05-31T18:05:00","date_gmt":"2011-05-31T15:05:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/uudised\/?p=17335"},"modified":"2011-05-31T18:05:00","modified_gmt":"2011-05-31T15:05:00","slug":"galaktikate-kokkuporgete-atlas","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=17335","title":{"rendered":"Galaktikate kokkup\u00f5rgete atlas"},"content":{"rendered":"<p><strong>Viie miljardi aasta p\u00e4rast p\u00f5rkub meie Linnutee galaktika kokku Andromeeda galaktikaga. See on nii h\u00e4vitamise kui ka loomise momendiks. \u00dcheks sulades kaotavad galaktikad \u00a0oma indentiteedid. Samal ajal p\u00f5rkavad kokku kosmilised gaasi- ja tolmupilved, vallandades uute t\u00e4htede tekke.<\/strong><\/p>\n<div id=\"attachment_17336\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.fyysika.ee\/uudised\/wp-content\/uploads\/2011\/05\/110525164135-large.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-17336\" class=\"size-medium wp-image-17336\" title=\"110525164135-large\" src=\"http:\/\/www.fyysika.ee\/uudised\/wp-content\/uploads\/2011\/05\/110525164135-large-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.fyysika.ee\/wp-content\/uploads\/2011\/05\/110525164135-large-300x225.jpg 300w, https:\/\/www.fyysika.ee\/wp-content\/uploads\/2011\/05\/110525164135-large-250x187.jpg 250w, https:\/\/www.fyysika.ee\/wp-content\/uploads\/2011\/05\/110525164135-large.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-17336\" class=\"wp-caption-text\">Sellel montaa\u017eil on n\u00e4ha kolm n\u00e4idet kokkup\u00f5rkavatest galaktikatest. Pilt: NASA\/JPL-Caltech\/Harvard-Smithsonian CfA<\/p><\/div>\n<p>Et m\u00f5ista meie minevikku ja kujutada ette tulevikku, peame me m\u00f5istma mis juhtub siis, kui galaktikad kokku p\u00f5rkavad. Et galaktikate kokkup\u00f5rked toimuvad aga miljonite v\u00f5i miljardite aastate jooksul, ei saa me \u00fchte s\u00fcndmust algusest l\u00f5puni pealt vaadata. Selle asemel peame me uurima mitmeid p\u00f5rkuvaid galaktikaid nende erinevates etappides. V\u00f5rreldes kahe kosmoseteleskoobi abil saadud andmeid, on astronoomid saanud uusi teadmisi kokkup\u00f5rke protsessist, kirjutab <a href=\"http:\/\/www.sciencedaily.com\/releases\/2011\/05\/110525164135.htm\">ScienceDaily.com<\/a>.<\/p>\n<p>,,Me koostasime atlase galaktilistest kokkup\u00f5rgetest nende algusest l\u00f5puni. See atlas on esimene samm m\u00f5istmaks galaktikate moodustumist, kasvamist ja arenemist,&#8221; s\u00f5nas <strong>Lauranne Lanz<\/strong>, uurimuse peaautor.<\/p>\n<p>Uutes piltides on kombineeritud NASA Spitzeri Kosmoseteleskoobi, mis vaatleb infrapunavalgust ning NASA Galaktikate Evolutsiooni Uurija(Galaxy Evolution Explorer ehk GALEX) kosmoselaeva, mis vaatleb ultraviolettkiirgust, andmed. Anal\u00fc\u00fcsides valgusspektri eri osade informatsiooni, saavad teadlased palju rohkem teada kui vaid \u00fche lainepikkuse abil, sest esile on t\u00f5stetud galaktika erinevad koostisosad.<\/p>\n<p>GALEX&#8217;i ultraviolettkiirguse andmed p\u00fc\u00fcavad noorte kuumade t\u00e4htede kiirgust. Spitzer n\u00e4eb nende t\u00e4htede poolt soojendatud tolmu ning t\u00e4hepindade infrapunakiirgust. Kokku n\u00e4itavad nad k\u00e4tte alad, kus t\u00e4hed k\u00f5ige kiiremini arenevad ning annavad pildist parema \u00fclevaate.<\/p>\n<p>\u00dcldiselt vallandavad galaktikate kokkup\u00f5rked t\u00e4hetekke. M\u00f5ned vastastikm\u00f5jus olevad galaktikad toodavad aga v\u00e4hem t\u00e4hti kui teised. Lanz ja kolleegid tahavad teada, missugused f\u00fc\u00fcsikaliste protsesside erinevused neid erinevaid tulemusi p\u00f5hjustavad. Samuti aitavad nende tulemused arendada edasi galaktikate kokkup\u00f5rgete arvutisimulatsioone.<\/p>\n<p><a href=\"http:\/\/www.sciencedaily.com\/releases\/2011\/05\/110525164135.htm\">Allikas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Viie miljardi aasta p\u00e4rast p\u00f5rkub meie Linnutee galaktika kokku Andromeeda galaktikaga. See on nii h\u00e4vitamise kui ka loomise momendiks. \u00dcheks sulades kaotavad galaktikad \u00a0oma indentiteedid. Samal ajal p\u00f5rkavad kokku kosmilised gaasi- ja tolmupilved, vallandades uute t\u00e4htede tekke. Et m\u00f5ista meie minevikku ja kujutada ette tulevikku, peame me m\u00f5istma mis juhtub siis, kui galaktikad kokku p\u00f5rkavad. [&hellip;]<\/p>\n","protected":false},"author":32,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[16],"tags":[],"class_list":{"0":"post-17335","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-teadusuudis","7":"entry","8":"has-post-thumbnail"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/17335","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17335"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/17335\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}