Normalde kuyruklu y\u0131ld\u0131zlar i\u00e7in \u2018alkoll\u00fc canavarlar\u2019 denir. Bunun nedeni ise G\u00fcne\u015f Sistemi\u2019nin d\u0131\u015f k\u0131s\u0131mlar\u0131ndan i\u00e7ine do\u011fru hareket ettiklerinde \u0131s\u0131n\u0131p alkoll\u00fc bile\u015fikler salabiliyor olmalar\u0131. Ancak Comet 46P\/Wirtanen\u2019in, al\u0131\u015f\u0131lmad\u0131k miktarda y\u00fcksek alkol sald\u0131\u011f\u0131 g\u00f6zlemlendi.<\/p>\n
Bilim insanlar\u0131 2,5 y\u0131l \u00f6nce D\u00fcnya\u2019ya \u00e7ok yakla\u015fan kuyruklu y\u0131ld\u0131z\u0131n \u2018koma\u2019 ad\u0131ndaki atmosferini inceledi ve ara\u015ft\u0131rman\u0131n sonucunu yay\u0131mlad\u0131klar\u0131 bilimsel bir makaleyle duyurdu.<\/p>\n
Johns Hopkins \u00dcniversitesi Uygulamal\u0131 Fizik Laboratuvar\u0131\u2019nda bir kuyruklu y\u0131ld\u0131z bilimcisi ve ara\u015ft\u0131rman\u0131n ortak yazar\u0131 Neil Dello Russo \u015f\u00f6yle konu\u015ftu: \u201c46P\/Wirtanen, bug\u00fcne kadar herhangi bir kuyruklu y\u0131ld\u0131zda \u00f6l\u00e7\u00fclen en y\u00fcksek alkol-aldehit oranlar\u0131ndan birine sahip. Bu bize Wirtanen\u2019in olu\u015ftu\u011fu erken g\u00fcne\u015f sisteminde karbon, oksijen ve hidrojen molek\u00fcllerinin nas\u0131l da\u011f\u0131ld\u0131\u011f\u0131 hakk\u0131nda bilgi veriyor.\u201d<\/p>\n
Normalde, kuyruklu y\u0131ld\u0131zlar G\u00fcne\u015f\u2019e daha yak\u0131n y\u00f6r\u00fcngede d\u00f6nd\u00fck\u00e7e, \u00e7ekirdeklerindeki donmu\u015f par\u00e7ac\u0131klar \u0131s\u0131n\u0131r, sonra kaynar veya s\u00fcblimle\u015fir, do\u011frudan kat\u0131 buzdan gaza ge\u00e7erek s\u0131v\u0131 faz\u0131 atlar. Gaz \u00e7\u0131k\u0131\u015f\u0131 olarak adland\u0131r\u0131lan bu s\u00fcre\u00e7, komaya neden olur. Ancak Keck G\u00f6zlemevi\u2019nin verilerii 46P\/Wirtanen kuyruklu y\u0131ld\u0131z\u0131n\u0131n, G\u00fcne\u015f radyasyonunun \u00f6tesindeki bir ba\u015fka s\u00fcre\u00e7te de \u0131s\u0131nd\u0131\u011f\u0131n\u0131 ortaya koydu.<\/p>\n
Profes\u00f6r ve Fizik ve Astronomi B\u00f6l\u00fcm\u00fc ba\u015fkan\u0131 yard\u0131mc\u0131 yazar Erika Gibb durumu \u015f\u00f6yle a\u00e7\u0131klad\u0131: \u201c\u0130lgin\u00e7 bir \u015fekilde, komadaki su gaz\u0131 i\u00e7in \u00f6l\u00e7\u00fclen s\u0131cakl\u0131\u011f\u0131n, \u00e7ekirdekten uzakla\u015ft\u0131k\u00e7a \u00f6nemli \u00f6l\u00e7\u00fcde azalmad\u0131\u011f\u0131n\u0131 bulduk, bu da bir \u0131s\u0131tma mekanizmas\u0131 anlam\u0131na geliyor.\u201d<\/p>\n
Bilim insanlar\u0131 bu \u0131s\u0131nman\u0131n nedenini hen\u00fcz a\u00e7\u0131klayamad\u0131. Ancak Keck G\u00f6zlemevi\u2019nden g\u00f6kbilimci Greg Doppmann\u2019\u0131n ifadesine g\u00f6re bu bulu\u015f bile \u00e7ok \u00f6nemli: \u201cBunun gibi kuyruklu y\u0131ld\u0131z \u00e7al\u0131\u015fmalar\u0131 heyecan verici \u00e7\u00fcnk\u00fc o soruyu yan\u0131tlamam\u0131za yard\u0131mc\u0131 olabilir: Evrende yaln\u0131z m\u0131y\u0131z?\u201d<\/p>\n