Biliminsanlar\u0131, yeni \u00e7al\u0131\u015fmalar\u0131nda \u201csar\u0131 toplar\u201d denilen kozmik objelere odakland\u0131. \u00c7al\u0131\u015fmaya g\u00f6re bu g\u00f6ksel noktalar, tek s\u00fcper k\u00fctleli y\u0131ld\u0131zlar yerine \u00e7ok \u00e7e\u015fitli k\u00fctlelere sahip bir\u00e7ok y\u0131ld\u0131z\u0131n do\u011fum yerlerini g\u00f6stermektedir.<\/p>\n
Astrophysical Journal<\/em>‘da yay\u0131nlanan ara\u015ft\u0131rmaya g\u00f6re k\u00fcmelerdeki y\u0131ld\u0131zlar nispeten gen\u00e7ler, yakla\u015f\u0131k 100.000 ya\u015f\u0131ndalar. (Kar\u015f\u0131la\u015ft\u0131rma i\u00e7in: Orion Nebulas\u0131’nda bulunan k\u00fctleli y\u0131ld\u0131zlar 3 milyon ya\u015f\u0131nda, orta ya\u015fl\u0131 bir y\u0131ld\u0131z ise 4.6 milyar ya\u015f\u0131ndad\u0131r.) Astronom Grace Wolf-Chase \u201cBen bu y\u0131ld\u0131zlar\u0131 rahimdeki y\u0131ld\u0131zlar olarak d\u00fc\u015f\u00fcn\u00fcyorum\u201d diyor.<\/p>\n Ekip, ilk olarak Spitzer Uzay Teleskobu taraf\u0131ndan \u00e7ekilen galaksinin resimlerini incelerken nesneleri tan\u0131mlad\u0131. \u015eu anda feshedilmi\u015f olan g\u00f6zlemevi, kozmosun k\u0131z\u0131l\u00f6tesi \u0131\u015f\u0131kta g\u00f6zlemlenmesini sa\u011flad\u0131; bu da, g\u00f6kbilimcilerin \u201cy\u0131ld\u0131zlar do\u011fmadan \u00f6nce bu so\u011fuk ortamlarda neler olup bitti\u011fini ara\u015ft\u0131rmak i\u00e7in\u201d bir t\u00fcr y\u0131ld\u0131z ultrasonu almas\u0131na izin verdi.<\/p>\n Yurtta\u015f bilimi yapan g\u00f6n\u00fcll\u00fcler, bu g\u00f6r\u00fcnt\u00fclere g\u00fcne\u015fin 10 kat\u0131 a\u011f\u0131rl\u0131\u011f\u0131nda oldu\u011fu d\u00fc\u015f\u00fcn\u00fclen dev iyonize gaz baloncuklar\u0131 \u00fcfleyen bebek y\u0131ld\u0131zlar i\u00e7in bak\u0131yordu. Projenin ilk ya da ikinci y\u0131l\u0131nda, baz\u0131 kullan\u0131c\u0131lar belirli nesneleri “#yellowballs” etiketiyle sosyal medyada etiketlemeye ba\u015flad\u0131lar \u00e7\u00fcnk\u00fc yanl\u0131\u015f renkli g\u00f6r\u00fcnt\u00fcler de b\u00f6yle g\u00f6z\u00fck\u00fcyorlard\u0131. 2010 ve 2015 y\u0131llar\u0131 aras\u0131nda g\u00f6n\u00fcll\u00fcler 928 tane sar\u0131 top buldu.<\/p>\n Wolf Chase\u2019in tak\u0131m\u0131 \u00f6ncelikli olarak toplar\u0131n erken d\u00f6nem gaz baloncuklar\u0131n\u0131 temsil etti\u011fini d\u00fc\u015f\u00fcnd\u00fc \u00e7\u00fcnk\u00fc sar\u0131 toplar tesad\u00fcfen ke\u015ffedilmi\u015f bir bulu\u015ftu, ara\u015ft\u0131rmac\u0131lar onlar\u0131 tan\u0131mlamak i\u00e7in yeteri kadar g\u00f6r\u00fcnt\u00fc yakalayamad\u0131klar\u0131n\u0131 biliyorlard\u0131. 2016\u2019da tak\u0131m Samanyolu proje g\u00f6n\u00fcll\u00fclerinden daha fazla sar\u0131 top g\u00f6r\u00fcnt\u00fcs\u00fc bulmalar\u0131n\u0131 istedi. Sonraki y\u0131l grup 6.000’den fazla sar\u0131 top ke\u015ffetti.<\/p>\n Wolf Chase ve meslekta\u015flar\u0131 daha \u00f6nce ne olduklar\u0131n\u0131 anlamak i\u00e7in bu toplardan yakla\u015f\u0131k 500 tanesini y\u0131ld\u0131z k\u00fcmelerinin ve di\u011fer yap\u0131lar\u0131n kataloglar\u0131yla kar\u015f\u0131la\u015ft\u0131rd\u0131. \u201c\u015eimdi ger\u00e7ekten bir cevab\u0131m\u0131z var, onlar bebek y\u0131ld\u0131z k\u00fcmeleri\u201d diyor Wolf- Chase.<\/p>\n K\u00fcmeler, y\u0131ld\u0131z baloncuklar\u0131n\u0131n tek, gen\u00e7 b\u00fcy\u00fck y\u0131ld\u0131zlar taraf\u0131ndan \u00fcflenmesi gibi kendi iyonize baloncuklar\u0131n\u0131 \u00fcfler. Wolf-Chase, ara\u015ft\u0131rmac\u0131lar\u0131n Ekim ay\u0131nda f\u0131rlat\u0131lacak olan James Webb Teleskobu’nu sar\u0131 toplar\u0131 se\u00e7mek ve toplar\u0131n fiziksel \u00f6zellikleri hakk\u0131nda daha fazla bilgi edinmek i\u00e7in kullanacaklar\u0131n\u0131 umuyor.<\/p>\n Kaynak:<\/strong> https:\/\/www.sciencenews.org\/article\/yellowballs-stars-milky-way-space-astronomy<\/p>\n","protected":false},"excerpt":{"rendered":" Biliminsanlar\u0131, yeni \u00e7al\u0131\u015fmalar\u0131nda \u201csar\u0131 toplar\u201d denilen kozmik objelere odakland\u0131. \u00c7al\u0131\u015fmaya g\u00f6re bu g\u00f6ksel noktalar, tek s\u00fcper k\u00fctleli y\u0131ld\u0131zlar yerine \u00e7ok \u00e7e\u015fitli k\u00fctlelere sahip bir\u00e7ok y\u0131ld\u0131z\u0131n do\u011fum yerlerini g\u00f6stermektedir. Astrophysical Journal‘da yay\u0131nlanan ara\u015ft\u0131rmaya g\u00f6re k\u00fcmelerdeki y\u0131ld\u0131zlar nispeten gen\u00e7ler, yakla\u015f\u0131k 100.000 ya\u015f\u0131ndalar. (Kar\u015f\u0131la\u015ft\u0131rma i\u00e7in: Orion Nebulas\u0131’nda bulunan k\u00fctleli y\u0131ld\u0131zlar 3 milyon ya\u015f\u0131nda, orta ya\u015fl\u0131 bir y\u0131ld\u0131z ise […]<\/p>\n","protected":false},"author":3113,"featured_media":51325,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[30,19],"tags":[1748,7904,1845,7905],"class_list":["post-51324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astronomi","category-bilim-gundemi","tag-samanyolu","tag-sari-toplar","tag-teleskop","tag-yildiz-kumesi"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/51324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/users\/3113"}],"replies":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/comments?post=51324"}],"version-history":[{"count":0,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/51324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media\/51325"}],"wp:attachment":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media?parent=51324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/categories?post=51324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/tags?post=51324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}