{"id":14320,"date":"2024-08-13T04:16:58","date_gmt":"2024-08-13T04:16:58","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=14320"},"modified":"2024-08-13T04:16:58","modified_gmt":"2024-08-13T04:16:58","slug":"gaia-captures-dazzling-image-of-2-8-million-stars-in-the-milky-way","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/tr\/science\/astronomy\/gaia-captures-dazzling-image-of-2-8-million-stars-in-the-milky-way\/","title":{"rendered":"Gaia, Samanyolu’nda 2,8 Milyon Y\u0131ld\u0131z\u0131n B\u00fcy\u00fcleyici G\u00f6r\u00fcnt\u00fcs\u00fcn\u00fc Yakalad\u0131"},"content":{"rendered":"

Gaia Samanyolu’nda 2,8 Milyon Y\u0131ld\u0131z\u0131n B\u00fcy\u00fcleyici G\u00f6r\u00fcnt\u00fcs\u00fcn\u00fc Yakalad\u0131<\/h2>\n\n

Gaia’n\u0131n Nefes Kesici Y\u0131ld\u0131z Ara\u015ft\u0131rmas\u0131<\/h2>\n\n

Avrupa Uzay Ajans\u0131’n\u0131n Gaia y\u0131ld\u0131z g\u00f6zlemcisi, galaktik merkeze yak\u0131n yo\u011fun bir b\u00f6lgede tahminen 2,8 milyon y\u0131ld\u0131z\u0131n yer ald\u0131\u011f\u0131 Samanyolu galaksisinin bir dizi \u00e7arp\u0131c\u0131 g\u00f6r\u00fcnt\u00fcs\u00fcn\u00fc yakalad\u0131.<\/p>\n\n

Galaksinin Kalbine Net Bir Bak\u0131\u015f<\/h2>\n\n

7 \u015eubat 2017’de \u00e7ekilen bu \u00f6zel g\u00f6r\u00fcnt\u00fc, galaktik merkezin iki derece alt\u0131ndaki bir alan\u0131 g\u00f6stermektedir. Nispeten d\u00fc\u015f\u00fck miktarda y\u0131ld\u0131zlararas\u0131 toz, Gaia’ya galaksimizin i\u00e7 kutsal alan\u0131na engelsiz bir g\u00f6r\u00fc\u015f sa\u011flar.<\/p>\n\n

Bir Y\u0131ld\u0131z Say\u0131m\u0131<\/h2>\n\n

G\u00f6r\u00fcnt\u00fc, g\u00f6ky\u00fcz\u00fcn\u00fcn 0,6 kare derecelik bir alan\u0131n\u0131 kapsamakta olup, kare derece ba\u015f\u0131na tahmini 4,6 milyon y\u0131ld\u0131z yo\u011funlu\u011funa sahiptir. Bu, resimde yakla\u015f\u0131k 2,8 milyon \u0131\u015f\u0131k noktas\u0131 olmas\u0131 gerekti\u011fini g\u00f6steriyor, ancak hen\u00fcz kimse onlar\u0131 saymad\u0131.<\/p>\n\n

Gaia’n\u0131n G\u00f6revi: Samanyolu’nu Haritalamak<\/h2>\n\n

2013 y\u0131l\u0131nda f\u0131rlat\u0131lan Gaia, Samanyolu’nun yakla\u015f\u0131k %1’i olan 1 milyar y\u0131ld\u0131z\u0131 haritalamak \u00fczere be\u015f y\u0131ll\u0131k bir g\u00f6revde bulunuyor. Bu iddial\u0131 proje, galaksimizin ayr\u0131nt\u0131l\u0131 bir haritas\u0131n\u0131 olu\u015fturmay\u0131 ve g\u00f6kbilimcilerin evrimini anlamalar\u0131na yard\u0131mc\u0131 olmay\u0131 ama\u00e7lamaktad\u0131r.<\/p>\n\n

Astro spektrometri: Y\u0131ld\u0131z Hareketlerini \u0130ncelemek<\/h2>\n\n

Gaia, astro spektrometri ad\u0131 verilen bir teknik kullanarak tek tek y\u0131ld\u0131zlar\u0131n hareketlerini inceler. Bu hareketleri kataloglayarak ve analiz ederek ara\u015ft\u0131rmac\u0131lar Samanyolu’nun tarihine dair bilgiler edinmeyi ve gelece\u011fini tahmin etmeyi umuyorlar.<\/p>\n\n

Veri D\u00f6k\u00fcm\u00fc G\u00f6r\u00fcnt\u00fcleri: Y\u0131ld\u0131z Kalabal\u0131klar\u0131n\u0131 Yakalamak<\/h2>\n\n

Gaia tipik olarak bireysel y\u0131ld\u0131zlara odaklansa da, bazen her bir y\u0131ld\u0131z\u0131n hareketini \u00f6l\u00e7menin zorla\u015ft\u0131\u011f\u0131 kadar yo\u011fun bir \u015fekilde paketlenmi\u015f uzay b\u00f6lgeleriyle kar\u015f\u0131la\u015f\u0131r. Bu gibi durumlarda Gaia, t\u00fcm alan\u0131n bir veri d\u00f6k\u00fcm\u00fc g\u00f6r\u00fcnt\u00fcs\u00fcn\u00fc g\u00f6nderir. Son mega y\u0131ld\u0131z g\u00f6r\u00fcnt\u00fcs\u00fc, b\u00f6yle bir veri d\u00f6k\u00fcm\u00fc g\u00f6r\u00fcnt\u00fcs\u00fcne \u00f6rnektir.<\/p>\n\n

Gaia’n\u0131n Miras\u0131: Kozmik G\u00f6r\u00fc\u015f\u00fcm\u00fcz\u00fc Yeniden \u015eekillendirmek<\/h2>\n\n

Uzayda nispeten k\u0131sa bir s\u00fcre ge\u00e7irmesine ra\u011fmen, Gaia evreni anlamam\u0131za zaten \u00f6nemli katk\u0131larda bulundu. 2016 y\u0131l\u0131nda yay\u0131nlanan 1 milyar y\u0131ld\u0131zl\u0131k ilk katalo\u011fu, g\u00f6kbilimciler i\u00e7in \u00e7ok say\u0131da yeni veri sa\u011flad\u0131. \u0130kinci bir katalogun 2018’de yay\u0131nlanmas\u0131 planlan\u0131yor ve Gaia’n\u0131n g\u00f6revi uzat\u0131l\u0131rsa 2020 ve 2022 y\u0131llar\u0131nda sonraki kataloglar planlan\u0131yor.<\/p>\n\n

Gaia’n\u0131n Verilerinden Kozmik S\u0131rlar\u0131 Ortaya \u00c7\u0131karmak<\/h2>\n\n

Gaia’n\u0131n verilerine dayanan ara\u015ft\u0131rmalar \u015fimdiden b\u00fcy\u00fcleyici bilgiler ortaya koyuyor. \u00d6rne\u011fin bilim insanlar\u0131, Gliese 710 adl\u0131 bir y\u0131ld\u0131z\u0131n yakla\u015f\u0131k 1,3 milyon y\u0131l i\u00e7inde G\u00fcne\u015f Sistemi’ni \u00e7evreleyen buzlu kal\u0131nt\u0131lar\u0131n bir kabu\u011fu olan i\u00e7 Oort Bulutu’ndan ge\u00e7ece\u011fini ke\u015ffettiler. Bu olay, G\u00fcne\u015f Sistemimize bir kuyruklu y\u0131ld\u0131z bombard\u0131man\u0131n\u0131 tetikleyebilir.<\/p>\n\n

Mahallemizdeki Y\u0131ld\u0131z Trafi\u011fi<\/h2>\n\n

Gaia’n\u0131n verileri, daha \u00f6nce d\u00fc\u015f\u00fcn\u00fcld\u00fc\u011f\u00fcnden uzay b\u00f6lgemizde \u00e7ok daha fazla “y\u0131ld\u0131z trafi\u011fi” oldu\u011funu da g\u00f6steriyor. Ortalama olarak, her milyon y\u0131lda 87 y\u0131ld\u0131z G\u00fcne\u015f’e 6,5 \u0131\u015f\u0131k y\u0131l\u0131 yakla\u015f\u0131r.<\/p>\n\n

Gaia’n\u0131n S\u00f6z\u00fc: Astronomik Verilerin Bir Hazinesi<\/h2>\n\n

Gaia, be\u015f y\u0131l boyunca 1,5 milyon CD-ROM’u dolduraca\u011f\u0131 tahmin edilen muazzam miktarda veri topluyor. Bu verilerin tam olarak analiz edilebilmesi i\u00e7in kapsaml\u0131 bir i\u015fleme ihtiyac\u0131 olacakt\u0131r, ancak galaksimiz ve \u00f6tesindeki evren hakk\u0131nda say\u0131s\u0131z yeni ke\u015ffin kilidini a\u00e7ma potansiyeline sahiptir.<\/p>","protected":false},"excerpt":{"rendered":"

Gaia Samanyolu’nda 2,8 Milyon Y\u0131ld\u0131z\u0131n B\u00fcy\u00fcleyici G\u00f6r\u00fcnt\u00fcs\u00fcn\u00fc Yakalad\u0131 Gaia’n\u0131n Nefes Kesici Y\u0131ld\u0131z Ara\u015ft\u0131rmas\u0131 Avrupa Uzay Ajans\u0131’n\u0131n Gaia y\u0131ld\u0131z g\u00f6zlemcisi, galaktik merkeze yak\u0131n yo\u011fun bir b\u00f6lgede tahminen 2,8 milyon y\u0131ld\u0131z\u0131n yer…<\/p>\n","protected":false},"author":6,"featured_media":24052,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[437],"tags":[435,97,19238,564,694,1447,1232],"class_list":["post-14320","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astronomy","tag-astronomy","tag-science","tag-gaia","tag-exploration","tag-milky-way","tag-stars","tag-space"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/14320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/comments?post=14320"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/14320\/revisions"}],"predecessor-version":[{"id":14321,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/14320\/revisions\/14321"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media\/24052"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media?parent=14320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/categories?post=14320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/tags?post=14320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}