{"id":127013,"date":"2020-04-26T13:09:39","date_gmt":"2020-04-26T11:09:39","guid":{"rendered":"https:\/\/osr.org\/?p=127013"},"modified":"2020-04-26T13:09:39","modified_gmt":"2020-04-26T11:09:39","slug":"nasanin-gezegen-dedigi-cisim-ortadan-kayboldu","status":"publish","type":"post","link":"https:\/\/osr.org\/tr\/blog\/astronomi\/nasanin-gezegen-dedigi-cisim-ortadan-kayboldu\/","title":{"rendered":"NASA\u2019n\u0131n gezegen dedi\u011fi cisim ortadan kayboldu"},"content":{"rendered":"

Ulusal Bilimler Akademisi Bildiriler Kitab\u0131\u2019nda yay\u0131mlanan yeni bir ara\u015ft\u0131rmaya g\u00f6re 2000\u2019lerin ortas\u0131nda NASA\u2019n\u0131n Hubble Uzay Teleskobu taraf\u0131ndan ke\u015ffedilen ve Fomalhaut b olarak adland\u0131r\u0131lan bir \u00f6tegezegen, ortadan kayboldu; ancak g\u00f6kbilimciler \u015fimdi, asl\u0131nda bu cismin kozmik bir \u00e7arp\u0131\u015fman\u0131n ard\u0131ndan kalan bir toz bulutu oldu\u011funu d\u00fc\u015f\u00fcn\u00fcyorlar.<\/p>\n

Ara\u015ft\u0131rmac\u0131lar, iki cismin \u00e7arp\u0131\u015fma sonucu birbirlerini par\u00e7alad\u0131\u011f\u0131n\u0131 ve arkalar\u0131nda uzayda g\u00f6r\u00fclebilen ince toz par\u00e7ac\u0131klar\u0131 bulutu b\u0131rakt\u0131\u011f\u0131n\u0131 s\u00f6yl\u00fcyorlar. S\u00f6z konusu ara\u015ft\u0131rma, ilk ke\u015fifteki bulgular\u0131n yanl\u0131\u015f oldu\u011funu g\u00f6sterse de, bu yan\u0131lg\u0131 daha \u015fa\u015f\u0131rt\u0131c\u0131 bir ke\u015ffe kap\u0131 a\u00e7m\u0131\u015f olabilir.<\/p>\n

Webtekno\u2019da yer alan habere g\u00f6re, makalenin ba\u015fyazarl\u0131\u011f\u0131n\u0131 \u00fcstlenen Arizona \u00dcniversitesi Steward G\u00f6zlemevi\u2019nden g\u00f6kbilimci Andras Gaspar, \u201cBu \u00e7arp\u0131\u015fmalar son derece nadirdir. Dolay\u0131s\u0131yla bu kozmik olaylardan birini ke\u015ffetmemiz son derece \u00f6nemli. Hubble Uzay Teleskobu, do\u011fru zamanda do\u011fru yerde oldu\u011fu i\u00e7in \u015fansl\u0131y\u0131z\u201d ifadelerini kulland\u0131.<\/p>\n

O bir \u00f6te gezegen<\/span><\/h2>\n

Steward Rasathanesi Astronomi Profes\u00f6r\u00fc George Rieke ise \u201cFomalhaut y\u0131ld\u0131z sistemi, d\u0131\u015f gezegenlerin ve y\u0131ld\u0131z sistemlerinin nas\u0131l evrimle\u015fti\u011fine dair fikirlerimiz i\u00e7in m\u00fckemmel bir test laboratuvar\u0131d\u0131r.<\/p>\n

Di\u011fer sistemlerde bu t\u00fcr \u00e7arp\u0131\u015fmalara dair kan\u0131t\u0131m\u0131z var, ancak bu b\u00fcy\u00fckl\u00fckte bir \u00e7arp\u0131\u015fmaya G\u00fcne\u015f sistemimizde rastlamam\u0131\u015ft\u0131k. Ke\u015fif, gezegenlerin birbirlerini nas\u0131l yok ettiklerine \u0131\u015f\u0131k tutabilir\u201d ifadelerini kulland\u0131.<\/p>\n

G\u00f6k bilimciler, 2018\u2019de yak\u0131t\u0131n\u0131n bitmesi \u00fczerine emekliye ayr\u0131lan Kepler Uzay Teleskobu\u2019nun verisinde yaz\u0131l\u0131m hatalar\u0131n\u0131n kontrol\u00fc s\u0131ras\u0131nda ya\u015fam i\u00e7in uygun bir \u00f6te gezegen ke\u015ffetti. Kepler Hatal\u0131 Pozitif \u00c7al\u0131\u015fma Grubunun bulgular\u0131 \u201cThe Astrophysical Journal Letters\u201d dergisinde yay\u0131mland\u0131.<\/p>\n

Grup, Kepler verisinde potansiyel gezegenleri tespit etmek i\u00e7in tasarlanan bilgisayar program\u0131 Robovetter\u2019in yaz\u0131l\u0131m hatalar\u0131n\u0131 g\u00f6zden ge\u00e7irdi.<\/p>\n

300 \u0131\u015f\u0131k y\u0131l\u0131 uzak<\/span><\/h2>\n

Bu i\u015flem s\u0131ras\u0131nda Kepler\u2019in 2013\u2019te sona eren ilk misyonunda yakalad\u0131\u011f\u0131 bir ge\u00e7i\u015f g\u00f6sterge verisinin, grubun Kepler-1649c ismini verdi\u011fi 300 \u0131\u015f\u0131k y\u0131l\u0131 uzakl\u0131ktaki bir \u00f6te gezegen oldu\u011fu tespit edildi.<\/p>\n

Kayal\u0131k Kepler-1649c gezegeninin, suyun s\u0131v\u0131 halde bulunmas\u0131n\u0131 m\u00fcmk\u00fcn k\u0131labilecek bi\u00e7imde Goldilocks B\u00f6lgesi i\u00e7inde yer ald\u0131\u011f\u0131 belirtildi.<\/p>\n

Gezegenin, k\u0131z\u0131l c\u00fcce y\u0131ld\u0131z\u0131n\u0131n enerjisinin D\u00fcnya gibi yakla\u015f\u0131k y\u00fczde 75\u2019ini ald\u0131\u011f\u0131 ve y\u0131ld\u0131z\u0131 etraf\u0131ndaki bir turunu 19,5 g\u00fcnde tamamlad\u0131\u011f\u0131 kaydedildi.<\/p>\n

NASA 2018\u2019de yak\u0131t\u0131 biten Kepler\u2019in, derin uzaydaki 9 y\u0131ll\u0131k ke\u015fif yolculu\u011funun ard\u0131ndan bilim operasyonlar\u0131n\u0131n sonuna geldi\u011fini a\u00e7\u0131klam\u0131\u015ft\u0131.<\/p>\n","protected":false},"excerpt":{"rendered":"

Ulusal Bilimler Akademisi Bildiriler Kitab\u0131\u2019nda yay\u0131mlanan yeni bir ara\u015ft\u0131rmaya g\u00f6re 2000\u2019lerin ortas\u0131nda NASA\u2019n\u0131n Hubble Uzay Teleskobu taraf\u0131ndan ke\u015ffedilen ve Fomalhaut b olarak adland\u0131r\u0131lan bir \u00f6tegezegen, ortadan kayboldu; ancak g\u00f6kbilimciler \u015fimdi, asl\u0131nda bu cismin kozmik bir \u00e7arp\u0131\u015fman\u0131n ard\u0131ndan kalan bir toz bulutu oldu\u011funu d\u00fc\u015f\u00fcn\u00fcyorlar. Ara\u015ft\u0131rmac\u0131lar, iki cismin \u00e7arp\u0131\u015fma sonucu birbirlerini par\u00e7alad\u0131\u011f\u0131n\u0131 ve arkalar\u0131nda uzayda g\u00f6r\u00fclebilen ince […]<\/p>\n","protected":false},"author":23,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[506],"tags":[],"class_list":["post-127013","post","type-post","status-publish","format-standard","hentry","category-astronomi"],"acf":[],"yoast_head":"\nNASA\u2019n\u0131n gezegen dedi\u011fi cisim ortadan kayboldu - Online Star Register<\/title>\n<meta name=\"description\" content=\"Bir \u00f6te gezegen ortadan kaboldu. 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