<\/p>\n
\n\tBilim insanlar\u0131, G\u00fcne\u015f Sistemi\u2019ne giren y\u0131ld\u0131zlararas\u0131 cisimlerin D\u00fcnya i\u00e7in olu\u015fturdu\u011fu \u00e7arpma riskine ili\u015fkin yeni bir de\u011ferlendirme yay\u0131mlad\u0131. \u00c7al\u0131\u015fmaya g\u00f6re y\u0131ld\u0131zlararas\u0131 cisimler, D\u00fcnya\u2019n\u0131n \u00f6zellikle ekvatora yak\u0131n b\u00f6lgelerine daha fazla y\u00f6neliyor ve bu b\u00f6lgelerde \u00e7arpma olas\u0131l\u0131\u011f\u0131 belirgin \u015fekilde art\u0131yor.<\/p>\n
\n\tMichigan Eyalet \u00dcniversitesinden Dr. Darryl Seligman liderli\u011finde haz\u0131rlanan ara\u015ft\u0131rma, y\u0131ld\u0131zlararas\u0131 k\u00f6kenli olas\u0131 \u00e7arpan cisimlerin y\u00f6r\u00fcngelerini, h\u0131zlar\u0131n\u0131 ve geli\u015f y\u00f6nlerini modelledi. \u00c7al\u0131\u015fma, hen\u00fcz say\u0131lar\u0131 bilinmeyen bu cisimlerin da\u011f\u0131l\u0131m\u0131n\u0131 anlamay\u0131 hedefliyor.<\/p>\n
\n\tBug\u00fcne kadar yaln\u0131zca \u00fc\u00e7 y\u0131ld\u0131zlararas\u0131 cisim tespit edildi: 2017\u2019de Oumuamua, 2019\u2019da 2I\/Borisov ve halen G\u00fcne\u015f\u2019e yak\u0131n seyreden 3I\/ATLAS. Ancak bilim insanlar\u0131na g\u00f6re G\u00fcne\u015f Sistemi, 4,6 milyar y\u0131ll\u0131k tarihinde \u00e7ok daha fazla y\u0131ld\u0131zlararas\u0131 cisme ev sahipli\u011fi yapt\u0131 ve baz\u0131lar\u0131 D\u00fcnya\u2019ya \u00e7arpm\u0131\u015f olabilir.<\/p>\n
\n\tAra\u015ft\u0131rmaya g\u00f6re y\u0131ld\u0131zlararas\u0131 cisimlerin D\u00fcnya\u2019ya en \u00e7ok iki y\u00f6nden gelme olas\u0131l\u0131\u011f\u0131 bulunuyor. Bunlardan ilki G\u00fcne\u015f\u2019in Samanyolu\u2019ndaki hareket y\u00f6n\u00fc olan \u201cg\u00fcne\u015f zirvesi\u201d. Bilim insanlar\u0131 bu durumu \u201cAra\u00e7 hareket ediyorsa en \u00e7ok ya\u011fmur damlas\u0131 \u00f6nden \u00e7arpar\u201d \u015feklinde a\u00e7\u0131kl\u0131yor.<\/p>\n
\n\t\u0130kinci risk b\u00f6lgesi ise Samanyolu\u2019nun yer ald\u0131\u011f\u0131 galaktik d\u00fczlem. Bu b\u00f6lgede y\u0131ld\u0131zlar\u0131n ve gezegen sistemlerinin yo\u011funlu\u011fu y\u00fcksek oldu\u011fu i\u00e7in y\u0131ld\u0131zlararas\u0131 cisimlerin bu d\u00fczlemden gelme ihtimali daha fazla.<\/p>\n
\n\t\u00c7al\u0131\u015fma, y\u0131ld\u0131zlararas\u0131 cisimlerin b\u00fcy\u00fck b\u00f6l\u00fcm\u00fcn\u00fcn y\u00fcksek h\u0131zla hareket etti\u011fini ancak D\u00fcnya\u2019ya \u00e7arpabilecek grubun beklenmedik \u015fekilde daha yava\u015f oldu\u011funu ortaya koydu. G\u00fcne\u015f\u2019in yer\u00e7ekimi bu daha yava\u015f cisimleri daha kolay yakal\u0131yor ve y\u00f6r\u00fcngelerini D\u00fcnya ile kesi\u015fecek \u015fekilde de\u011fi\u015ftirebiliyor.<\/p>\n
\n\tMevsimler de etki ediyor. Ara\u015ft\u0131rmaya g\u00f6re h\u0131zl\u0131 hareket eden y\u0131ld\u0131zlararas\u0131 cisimler D\u00fcnya\u2019ya en \u00e7ok ilkbaharda \u00e7arpma potansiyeli ta\u015f\u0131yor \u00e7\u00fcnk\u00fc D\u00fcnya bu d\u00f6nemde g\u00fcne\u015f zirvesine do\u011fru ilerliyor. Ancak k\u0131\u015f aylar\u0131nda D\u00fcnya\u2019n\u0131n konumu nedeniyle potansiyel \u00e7arpan say\u0131s\u0131 daha fazla.<\/p>\n
\n\tModellemeye g\u00f6re y\u0131ld\u0131zlararas\u0131 cisimler D\u00fcnya\u2019ya en \u00e7ok ekvatora yak\u0131n b\u00f6lgelerde d\u00fc\u015f\u00fcyor. Bu b\u00f6lgede \u00e7arpma riski di\u011fer enlemlere g\u00f6re daha y\u00fcksek. Ayr\u0131ca kuzey yar\u0131mk\u00fcrede de risk bir miktar art\u0131yor. Ara\u015ft\u0131rmac\u0131lar bu durumun D\u00fcnya\u2019n\u0131n d\u00f6n\u00fc\u015f ve y\u00f6r\u00fcnge dinamikleriyle ili\u015fkili oldu\u011funu belirtiyor.<\/p>\n
\n\tAra\u015ft\u0131rmac\u0131lar, y\u0131ld\u0131zlararas\u0131 cisimlerin ger\u00e7ek say\u0131s\u0131n\u0131n bilinmedi\u011fini ve bu nedenle \u00e7arpma s\u0131kl\u0131\u011f\u0131na dair bir tahminde bulunmad\u0131klar\u0131n\u0131 vurgulad\u0131. \u00c7al\u0131\u015fma yaln\u0131zca hangi y\u00f6nlerden gelebileceklerini ve D\u00fcnya\u2019n\u0131n hangi b\u00f6lgelerinde \u00e7arpma olas\u0131l\u0131\u011f\u0131n\u0131n artt\u0131\u011f\u0131n\u0131 inceliyor.<\/p>\n
\n\tBilim insanlar\u0131, in\u015fa s\u00fcreci devam eden Vera Rubin G\u00f6zlemevi ile y\u0131ld\u0131zlararas\u0131 cisimlerin daha hassas \u015fekilde izlenebilece\u011fini ve bu \u00e7al\u0131\u015fman\u0131n, g\u00f6zlemevinin yapaca\u011f\u0131 tespitlerde yol g\u00f6sterici olaca\u011f\u0131n\u0131 belirtiyor.<\/p>\n