{"id":230990,"date":"2023-04-20T10:25:50","date_gmt":"2023-04-20T08:25:50","guid":{"rendered":"https:\/\/osr.org\/?p=230990"},"modified":"2023-04-20T10:30:07","modified_gmt":"2023-04-20T08:30:07","slug":"nasa-uyardi-kafaniza-uzay-araci-dusebilir","status":"publish","type":"post","link":"https:\/\/osr.org\/tr\/blog\/astronomi\/nasa-uyardi-kafaniza-uzay-araci-dusebilir\/","title":{"rendered":"NASA uyard\u0131: Kafan\u0131za uzay arac\u0131 d\u00fc\u015febilir"},"content":{"rendered":"
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NASA ve ABD Savunma Bakanl\u0131\u011f’\u0131ndan yap\u0131lan a\u00e7\u0131klamalarda, Reuven Ramaty Y\u00fcksek Enerji G\u00fcne\u015f Spektroskopik G\u00f6r\u00fcnt\u00fcleyici (Rhessi) uydunun, atmosfere ABD’nin do\u011fu yakas\u0131 zaman dilimine g\u00f6re ak\u015fam saatlerinde girece\u011fi belirtildi.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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A\u00e7\u0131klamada, 272 kilograml\u0131k uzay arac\u0131n\u0131n b\u00fcy\u00fck bir k\u0131sm\u0131n\u0131n atmosferdeki yolculu\u011fu s\u0131ras\u0131nda yanaca\u011f\u0131 ancak baz\u0131 par\u00e7alar\u0131n\u0131n D\u00fcnya’ya d\u00fc\u015fmesinin beklendi\u011fi ifade edildi.<\/p>\n<\/div>\n<\/div>\n

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D\u00fcnya’daki herhangi birine zarar gelme riskinin d\u00fc\u015f\u00fck oldu\u011fu vurgulanan a\u00e7\u0131klamada, bu ihtimalin yakla\u015f\u0131k 2 bin 467’de 1 oldu\u011fu kaydedildi.<\/p>\n<\/div>\n<\/div>\n

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2002’de y\u00f6r\u00fcngeye f\u0131rlat\u0131lan uydu, ileti\u015fim sorunlar\u0131 nedeniyle “emekliye ayr\u0131ld\u0131\u011f\u0131” 2018’e kadar 100 binin \u00fczerinde G\u00fcne\u015f olay\u0131n\u0131 g\u00f6r\u00fcnt\u00fcledi.<\/p>\n

Y\u0131ld\u0131zlar aras\u0131ndaki tehlikeler bitmiyor\u00a0<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Amerikan\u00a0<\/strong>Ulusal Havac\u0131l\u0131k ve Uzay Dairesi (NASA) bir hafta i\u00e7inde g\u00fcne\u015f y\u00fczeyinde ikinci bir kara leke tespit etti. Uzmanlara g\u00f6re, “koronal delik”\u00a0olarak adland\u0131r\u0131lan bu kara leke, gezegen a\u00e7\u0131s\u0131ndan tehlike arz etmese de d\u00fcnya \u00fczerinde baz\u0131 etkilere sahip olabilir.<\/p>\n

H\u00fcrriyet’te yer alan habere g\u00f6re, NASA\u2019n\u0131n \u00f6nceki g\u00fcn saptad\u0131\u011f\u0131 koronal delik, g\u00fcne\u015fin manyetik alan\u0131n\u0131n uzaya sa\u00e7\u0131lmas\u0131yla olu\u015fan bir yap\u0131. NASA\u2019n\u0131n g\u00f6zlemledi\u011fi bu kara lekenin d\u00fcnyaya do\u011fru saatte 2.8 milyon kilometreh\u0131zla hareket eden bir g\u00fcne\u015f f\u0131rt\u0131nas\u0131 olu\u015fturmas\u0131\u00a0bekleniyor. Yar\u0131n d\u00fcnyaya ula\u015fmas\u0131 \u00f6ng\u00f6r\u00fclen r\u00fczg\u00e2rlar\u0131n, gezegenin manyetik alan\u0131n\u0131 ve buna ba\u011fl\u0131 olarak uydu ba\u011flant\u0131lar\u0131yla teknolojik altyap\u0131y\u0131 etkileyebilece\u011finden endi\u015fe ediliyor.<\/p>\n

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S\u00f6z konusu kara leke, NASA’n\u0131n bir haftada g\u00f6zlemledi\u011fi ikinci koronal delik oldu.\u00a0\u0130lki 23 Mart tarihinde tespit edilmi\u015f ve ABD\u2019nin Arizona eyaletinin g\u00fcneyinde aurora\u2019lar olu\u015fturmu\u015ftu. Belirli s\u00fcrelerle ortaya \u00e7\u0131kan g\u00fcne\u015f f\u0131rt\u0131nalar\u0131 g\u00f6ky\u00fcz\u00fcnde mor ve ye\u015fil renkli aurora\u2019lar olu\u015fturuyor.<\/p>\n<\/div>\n

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