Ara\u015ft\u0131rma sonu\u00e7lar\u0131, Tokyo Metropolitan University ve National Astronomical Observatory of Japan ara\u015ft\u0131rmac\u0131lar\u0131 taraf\u0131ndan y\u00fcr\u00fct\u00fclen \u00e7al\u0131\u015fmalarla ortaya kondu.<\/p>\n
B\u0130NLERCE YILDIZ \u0130NCELEND\u0130<\/p>\n
Hakemli bilim dergisi Astronomy & Astrophysics\u2019te yay\u0131mlanan \u00e7al\u0131\u015fmaya g\u00f6re bilim insanlar\u0131, s\u0131cakl\u0131k, kimyasal yap\u0131 ve y\u00fczey \u00e7ekimi a\u00e7\u0131s\u0131ndan g\u00fcne\u015fe \u00e7ok benzeyen 6 bin 594 y\u0131ld\u0131z\u0131 analiz etti. Bu veriler, Gaia uzay teleskobunun yakla\u015f\u0131k 2 milyar y\u0131ld\u0131zdan toplad\u0131\u011f\u0131 hassas konum ve hareket \u00f6l\u00e7\u00fcmlerine dayan\u0131yor.<\/p>\n
Ara\u015ft\u0131rma sonu\u00e7lar\u0131, g\u00fcne\u015fe benzeyen ve 4\u20136 milyar y\u0131l ya\u015f\u0131ndaki bir\u00e7ok y\u0131ld\u0131z\u0131n, galaksinin daha i\u00e7 k\u0131s\u0131mlar\u0131ndan d\u0131\u015f b\u00f6lgelere do\u011fru birlikte hareket etti\u011fini g\u00f6steriyor. Bu durum, astronomlara g\u00f6re galaktik \u00f6l\u00e7ekte bir \u201cy\u0131ld\u0131z g\u00f6\u00e7\u00fc\u201d ya\u015fand\u0131\u011f\u0131n\u0131 ortaya koyuyor.<\/p>\n
BA\u015eLANGI\u00c7TA GALAKS\u0130N\u0130N MERKEZ\u0130NE \u00c7OK YAKINDI<\/p>\n
Bug\u00fcn G\u00fcne\u015f Sistemi, Samanyolu merkezinden yakla\u015f\u0131k 25 bin \u0131\u015f\u0131k y\u0131l\u0131 uzakl\u0131kta, Orion-Ku\u011fu Kolu (Orion Spur) ad\u0131 verilen k\u00fc\u00e7\u00fck bir spiral kol i\u00e7inde yer al\u0131yor.<\/p>\n
Ancak yeni \u00e7al\u0131\u015fmaya g\u00f6re g\u00fcne\u015f, do\u011fdu\u011fu d\u00f6nemde bug\u00fcnk\u00fc konumundan 10 bin \u0131\u015f\u0131k y\u0131l\u0131ndan daha fazla i\u00e7 b\u00f6lgede, yani galaksinin merkezdeki \u00e7ubuk bi\u00e7imli yap\u0131s\u0131na (galaktik bar) yak\u0131n bir yerde bulunuyor olabilir.<\/p>\n
Normalde bu merkezi bar\u0131n g\u00fc\u00e7l\u00fc k\u00fctle\u00e7ekimi y\u0131ld\u0131zlar\u0131n uzakla\u015fmas\u0131n\u0131 zorla\u015ft\u0131r\u0131yor. Fakat ara\u015ft\u0131rmac\u0131lar, bar yap\u0131s\u0131n\u0131n tam olarak olu\u015fmad\u0131\u011f\u0131 d\u00f6nemde g\u00fcne\u015f ve benzeri y\u0131ld\u0131zlar\u0131n d\u0131\u015f b\u00f6lgelere do\u011fru ka\u00e7abildi\u011fini d\u00fc\u015f\u00fcn\u00fcyor.<\/p>\n
DAHA SAK\u0130N B\u0130R GALAKT\u0130K MAHALLE<\/p>\n
Samanyolu\u2019nun merkezine yak\u0131n b\u00f6lgeler olduk\u00e7a \u015fiddetli ve kaotik bir ortam bar\u0131nd\u0131r\u0131yor. Bu b\u00f6lgelerde:<\/p>\n
S\u00fcpernova patlamalar\u0131 s\u0131k ya\u015fan\u0131yor, yo\u011fun y\u0131ld\u0131z olu\u015fumu ger\u00e7ekle\u015fiyor ve y\u00fcksek enerjili kozmik olaylar g\u00f6r\u00fcl\u00fcyor.<\/p>\n
Bilim insanlar\u0131na g\u00f6re g\u00fcne\u015fin bug\u00fcn bulundu\u011fu daha sakin galaktik b\u00f6lge, gezegenlerin olu\u015fmas\u0131 ve D\u00fcnya\u2019da ya\u015fam\u0131n geli\u015fmesi i\u00e7in \u00e7ok daha elveri\u015fli bir ortam sunmu\u015f olabilir.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ara\u015ft\u0131rma sonu\u00e7lar\u0131, Tokyo Metropolitan University ve National Astronomical Observatory of Japan ara\u015ft\u0131rmac\u0131lar\u0131 taraf\u0131ndan y\u00fcr\u00fct\u00fclen \u00e7al\u0131\u015fmalarla ortaya kondu. B\u0130NLERCE YILDIZ \u0130NCELEND\u0130 Hakemli bilim dergisi Astronomy & Astrophysics\u2019te yay\u0131mlanan \u00e7al\u0131\u015fmaya g\u00f6re bilim insanlar\u0131, s\u0131cakl\u0131k, kimyasal yap\u0131 ve y\u00fczey \u00e7ekimi a\u00e7\u0131s\u0131ndan g\u00fcne\u015fe \u00e7ok benzeyen 6 bin 594 y\u0131ld\u0131z\u0131 analiz etti. Bu veriler, Gaia uzay teleskobunun yakla\u015f\u0131k 2 milyar […]<\/p>\n","protected":false},"author":1,"featured_media":1580400,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-1580399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-teknoloji"],"_links":{"self":[{"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/1580399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1580399"}],"version-history":[{"count":0,"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/1580399\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=\/wp\/v2\/media\/1580400"}],"wp:attachment":[{"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1580399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1580399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.erzhaber.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1580399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}