NASA, yakla\u015f\u0131k 11 y\u0131ld\u0131r Mars\u2019\u0131n atmosferini inceleyen MAVEN uzay arac\u0131n\u0131n g\u00f6revini resmen sonland\u0131rd\u0131. Yetkililer, ara\u00e7la ya\u015fanan ba\u011flant\u0131 probleminin ard\u0131ndan sistemin art\u0131k kurtar\u0131lamayaca\u011f\u0131n\u0131 a\u00e7\u0131klad\u0131.<\/p>\n\n\n\n
Kas\u0131m 2013’te f\u0131rlat\u0131lan MAVEN, birincil bir y\u0131ll\u0131k g\u00f6revinin \u00e7ok \u00f6tesinde tam 11 y\u0131l hizmet verdi. Bu s\u00fcrede Mars’\u0131n \u00fcst atmosferi, iyonosfer ve G\u00fcne\u015f r\u00fczgar\u0131yla etkile\u015fimlerine dair \u00e7\u0131\u011f\u0131r a\u00e7\u0131c\u0131 veriler toplad\u0131.<\/p>\n\n\n\n
\u00d6ne \u00e7\u0131kan bilimsel ba\u015far\u0131lar\u0131 \u015f\u00f6yle s\u0131ralanabilir: G\u00fcne\u015f f\u0131rt\u0131nalar\u0131 s\u0131ras\u0131nda Mars atmosferinin erozyonunun dramatik bi\u00e7imde artt\u0131\u011f\u0131n\u0131n ilk kez kan\u0131tlanmas\u0131; D\u00fcnya’dakinden farkl\u0131, t\u00fcm gezegen y\u00fczeyinde g\u00f6r\u00fclebilen yeni bir proton auroras\u0131n\u0131n ke\u015ffi; ba\u015fka bir gezegende atmosferik sa\u00e7\u0131lman\u0131n (sputtering) ger\u00e7ek zamanl\u0131 olarak g\u00f6zlemlenmesi; ve 2018’deki k\u00fcresel toz f\u0131rt\u0131nalar\u0131 s\u0131ras\u0131nda su molek\u00fcllerinin \u00fcst atmosfere nas\u0131l ta\u015f\u0131nd\u0131\u011f\u0131n\u0131n g\u00f6sterilmesi. Ara\u00e7 ayr\u0131ca ge\u00e7en y\u0131l y\u0131ld\u0131zlararas\u0131 kuyruklu y\u0131ld\u0131z 3I\/ATLAS’\u0131 da g\u00f6zlemledi.<\/p>\n\n\n\n
800’den fazla bilimsel yay\u0131na konu olan MAVEN verileri, Mars’ta insan g\u00f6revleri planlan\u0131rken radyasyon koruma standartlar\u0131n\u0131n belirlenmesinde kritik bir referans olmaya devam edecek.<\/p>\n\n\n\n