NASA\u2019dan yap\u0131lan a\u00e7\u0131klamaya g\u00f6re, Parker Solar Probe, boyutu ve G\u00fcne\u015f sistemindeki konumu nedeniyle D\u00fcnya\u2019n\u0131n ikizi olarak adland\u0131r\u0131lan ancak yo\u011fun bulutlarla kapl\u0131 oldu\u011fu i\u00e7in g\u00f6r\u00fcnt\u00fclenemeyen Ven\u00fcs\u2019\u00fcn karanl\u0131k y\u00fczeyini, Geni\u015f G\u00f6r\u00fc\u015fl\u00fc Taray\u0131c\u0131 (WISPR) kameras\u0131n\u0131 kullanarak ilk kez g\u00f6r\u00fcn\u00fcr \u0131\u015f\u0131kta foto\u011fraflad\u0131.<\/p>\n
G\u00fcne\u015f ka\u015fifi denilen Parker Solar Probe, Temmuz 2020\u2019de G\u00fcne\u015f\u2019e azami derecede yakla\u015fabilmek i\u00e7in gezegenin yer \u00e7ekiminden yararlanmak ama\u00e7l\u0131 Ven\u00fcs\u2019\u00fcn yan\u0131ndan \u00fc\u00e7\u00fcnc\u00fc u\u00e7u\u015funu yaparken, bilim insanlar\u0131na WISPR kameralar\u0131yla ilk defa g\u00f6r\u00fcn\u00fcr \u0131\u015f\u0131kta gezegenin y\u00fczeyini foto\u011fraflama f\u0131rsat\u0131 verdi.<\/p>\n
G\u00fcne\u015f atmosferindeki ve r\u00fczgardaki zay\u0131f \u00f6zellikleri g\u00f6rmek i\u00e7in tasarlanan WISPR kameralar\u0131n\u0131 gezegeni kaplayan bulutlar\u0131n h\u0131zlar\u0131n\u0131 \u00f6l\u00e7mek i\u00e7in kullanmak isteyen bilim insanlar\u0131, bunun yerine Ven\u00fcs\u2019\u00fcn karanl\u0131k y\u00fczeyini foto\u011fraflay\u0131nca, NASA uzay arac\u0131 \u015eubat 2021 gezegenin \u00f6n\u00fcnden d\u00f6rd\u00fcnc\u00fc ge\u00e7i\u015fini yaparken ge\u00e7erken daha fazla g\u00f6r\u00fcnt\u00fc almaya karar verdi.<\/p>\n
\u00c7al\u0131\u015fmay\u0131 y\u00fcr\u00fcten bilim insanlar\u0131ndan Brian Wood, gezegenin kayal\u0131k y\u00fczeyinin karanl\u0131kta bile 460 santigrat oldu\u011funu belirterek, \u201cO kadar s\u0131cak ki Ven\u00fcs\u2019\u00fcn karanl\u0131k y\u00fczeyi, tav\u0131ndan al\u0131nm\u0131\u015f bir demir par\u00e7as\u0131 gibi g\u00f6r\u00fcn\u00fcr \u015fekilde \u0131\u015f\u0131ld\u0131yor.\u201d ifadesini kulland\u0131.<\/p>\n
Gezegenin y\u00fczeyini sadece k\u0131z\u0131l \u00f6tesi bantta de\u011fil, \u00e7\u0131plak g\u00f6zle g\u00f6r\u00fclebilir bant spektrumunda da g\u00f6r\u00fcnt\u00fcleyebilen WISPR\u2019den elde edilen g\u00f6r\u00fcnt\u00fclerin, NASA\u2019n\u0131n Macellan misyonunun radar \u0131\u015f\u0131nlar\u0131yla 1990\u2019larda olu\u015fturdu\u011fu Ven\u00fcs haritalarla uyumlu oldu\u011fu kaydedildi.<\/p>\n
Bilim insanlar\u0131, Parker Solar Probe\u2019un elde etti\u011fi g\u00f6r\u00fcnt\u00fclerin daha sonraki misyonlar taraf\u0131ndan y\u00fczey jeolojisini ve evrimini anlamak i\u00e7in kullan\u0131labilece\u011fini ifade etti.<\/p>\n