{"id":111458,"date":"2019-10-19T10:59:35","date_gmt":"2019-10-19T08:59:35","guid":{"rendered":"https:\/\/osr.org\/?p=111458"},"modified":"2024-05-24T18:23:49","modified_gmt":"2024-05-24T16:23:49","slug":"hubble-2i-borisovu-goruntuledi","status":"publish","type":"post","link":"https:\/\/osr.org\/tr\/blog\/astronomi\/hubble-2i-borisovu-goruntuledi\/","title":{"rendered":"Hubble ‘2I\/Borisov’u g\u00f6r\u00fcnt\u00fcledi"},"content":{"rendered":"
ABD Havac\u0131l\u0131k ve Uzay Ajans\u0131ndan (NASA) yap\u0131lan a\u00e7\u0131klamada, Hubble Teleskobu’nun, G\u00fcne\u015f Sistemi’nden girdi\u011fi tespit edilen ikinci y\u0131ld\u0131zlar aras\u0131 ziyaret\u00e7i 2I\/Borisov kuyruklu y\u0131ld\u0131z\u0131n\u0131 kayda ald\u0131\u011f\u0131 bildirildi.<\/p>\n
NASA, kuyruklu y\u0131ld\u0131z\u0131n 12 Ekim’de kayda ge\u00e7irilen 7 saatlik g\u00f6r\u00fcnt\u00fcs\u00fcn\u00fcn h\u0131zland\u0131r\u0131lm\u0131\u015f halini internet sitesinde yay\u0131mlad\u0131. G\u00f6r\u00fcnt\u00fcde, kuyruklu y\u0131ld\u0131z\u0131n \u00e7ekirde\u011finin \u00e7evresinde yo\u011fun bir toz bulutu oldu\u011fu ve mavi bir gaz tabakas\u0131yla \u00e7evrelendi\u011fi g\u00f6r\u00fcl\u00fcyor.<\/p>\n
NASA uzmanlar\u0131, bunun bug\u00fcne dek bir kuyruklu y\u0131ld\u0131z\u0131n kayda ge\u00e7irilen en net g\u00f6r\u00fcnt\u00fcs\u00fc oldu\u011funu vurgulad\u0131.<\/p>\n
Saatte yakla\u015f\u0131k 177 bin kilometre h\u0131zla hareket eden kuyruklu y\u0131ld\u0131z\u0131n 7 Aral\u0131k’ta G\u00fcne\u015f’e yak\u0131n ge\u00e7i\u015f yapaca\u011f\u0131, ard\u0131ndan hiperbolik bir eksende G\u00fcne\u015f y\u00f6r\u00fcngesini keserek 2020 ortalar\u0131nda G\u00fcne\u015f Sistemi’nden \u00e7\u0131kaca\u011f\u0131 \u00f6ng\u00f6r\u00fcl\u00fcyor.<\/p>\n
K\u0131r\u0131ml\u0131 amat\u00f6r g\u00f6kbilimci ve teleskop imalat\u00e7\u0131s\u0131 Gennady Borisov taraf\u0131ndan 30 A\u011fustos’ta ke\u015ffedilen kuyruklu y\u0131ld\u0131z, bug\u00fcne dek G\u00fcne\u015f Sistemi’nden ge\u00e7ti\u011fi tespit edilen ikinci kuyruklu y\u0131ld\u0131z oldu.<\/p>\n
Daha \u00f6nce 2017 y\u0131l\u0131nda ke\u015ffedilen Oumuamua kuyruklu y\u0131ld\u0131z\u0131 G\u00fcne\u015f’i yakla\u015f\u0131k 38 milyon kilometre te\u011fet ge\u00e7tikten sonra G\u00fcne\u015f Sistemi’nden ayr\u0131lm\u0131\u015ft\u0131. 2I \/ Borisov (eski ad\u0131 C \/ 2019 S4 (Borisov) ) ilk g\u00f6r\u00fclmektedir y\u0131ld\u0131zlararas\u0131 kuyruklu ve ikinci g\u00f6r\u00fclen y\u0131ld\u0131zlararas\u0131 kar\u0131\u015fan sonra ‘Oumuamua . 2I \/ Borisov g\u00fcne\u015f merkezli olan bas\u0131kl\u0131k 3.3 ve ba\u011fl\u0131 de\u011fildir G\u00fcne\u015f . Kuyruklu y\u0131ld\u0131z ge\u00e7ecek ekliptik hemen alt\u0131nda en G\u00fcne\u015f’e en yak\u0131n yakla\u015f\u0131m ile, Aral\u0131k 2019 y\u0131l\u0131nda G\u00fcne\u015f Sistemi’nin2 au on 8 Aral\u0131k 2019.<\/p>\n
Kuyrukluy\u0131ld\u0131z “2I \/ Borisov” adl\u0131 Uluslararas\u0131 Astronomi Birli\u011fi (IAU) taraf\u0131ndan adland\u0131r\u0131l\u0131rd\u0131. Comet Borisov ad\u0131yla bilinen bas\u0131nda da yer alan bu kuyruklu y\u0131ld\u0131z \u00f6zel bir \u00e7al\u0131\u015fma grubu taraf\u0131ndan ke\u015ffedilmi\u015fti.<\/p>\n
G\u00f6ky\u00fcz\u00fcnde bir kuyrukluy\u0131ld\u0131z\u0131n (komet) g\u00f6r\u00fclmesi, bilim adamlar\u0131n\u0131n oldu\u011fu kadar halk\u0131n da ilgisini \u00e7ekmektedir. Astronomlar, uzay fizik\u00e7ileri, jeologlar ve hatta biyologlar, bu canl\u0131 g\u00f6r\u00fcn\u00fc\u015f\u00fcn i\u00e7indeki \u00e7e\u015fitli fiziksel \u00f6zellikleri incelemi\u015flerdir. 1862’de Horace P. Tuttle taraf\u0131ndan ke\u015ffedilmi\u015f y\u0131ld\u0131z\u0131n \u00e7ekirdek \u00e7ap\u0131 26 km’dir. 1992 y\u0131l\u0131nda Japon g\u00f6kbilimcisi Tsuruhiko Kiuchi taraf\u0131ndan tekrar g\u00f6zlenmi\u015ftir.<\/p>\n
D\u00fcnyan\u0131n en bilinen kuyruklu y\u0131ld\u0131zlar\u0131ndan olan ve \u0130smini ka\u015fif Edmond Halley’den alan kuyruklu y\u0131ld\u0131z 1758’de ke\u015ffedilmi\u015ftir. D\u00fcnya’dan her 75 y\u0131lda bir g\u00f6r\u00fclmektedir.<\/p>\n
\u0130ki amat\u00f6r g\u00f6kbilimci taraf\u0131ndan 1993’te ke\u015ffedilen ve onlar\u0131n soyismini alan kuyruklu y\u0131ld\u0131zd\u0131r. 1994 y\u0131l\u0131nda J\u00fcpiter’e \u00e7arpm\u0131\u015f ve da\u011f\u0131lm\u0131\u015ft\u0131r.<\/p>\n
50’den fazla y\u0131ld\u0131za sahip olan kuyruklu y\u0131ld\u0131z tak\u0131m\u0131d\u0131r. En \u00fcnl\u00fcs\u00fc B\u00fcy\u00fck Mcnaught Kuyruklu Y\u0131ld\u0131z\u0131 2007’de g\u00f6r\u00fcnt\u00fclenmi\u015ftir.<\/p>\n
1786’da ke\u015ffedilen kuyruklu y\u0131ld\u0131z\u0131n \u00f6zelli\u011fi \u00e7ekirdek \u00e7ap\u0131 ke\u015ffedilen en k\u00fc\u00e7\u00fck kuyruklu y\u0131ld\u0131z olmas\u0131d\u0131r.Hale Bopp 1995 y\u0131l\u0131nda ke\u015ffedilen y\u0131ld\u0131z, d\u00fcnyadan en uzun s\u00fcre g\u00f6zlemlenen kuyruklu y\u0131ld\u0131z olarak bilinmektedir.<\/p>\n","protected":false},"excerpt":{"rendered":"
ABD Havac\u0131l\u0131k ve Uzay Ajans\u0131ndan (NASA) yap\u0131lan a\u00e7\u0131klamada, Hubble Teleskobu’nun, G\u00fcne\u015f Sistemi’nden girdi\u011fi tespit edilen ikinci y\u0131ld\u0131zlar aras\u0131 ziyaret\u00e7i 2I\/Borisov kuyruklu y\u0131ld\u0131z\u0131n\u0131 kayda ald\u0131\u011f\u0131 bildirildi. NASA, kuyruklu y\u0131ld\u0131z\u0131n 12 Ekim’de kayda ge\u00e7irilen 7 saatlik g\u00f6r\u00fcnt\u00fcs\u00fcn\u00fcn h\u0131zland\u0131r\u0131lm\u0131\u015f halini internet sitesinde yay\u0131mlad\u0131. G\u00f6r\u00fcnt\u00fcde, kuyruklu y\u0131ld\u0131z\u0131n \u00e7ekirde\u011finin \u00e7evresinde yo\u011fun bir toz bulutu oldu\u011fu ve mavi bir gaz tabakas\u0131yla […]<\/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-111458","post","type-post","status-publish","format-standard","hentry","category-astronomi"],"acf":[],"yoast_head":"\n