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3I\/ATLAS, 19 Aral\u0131k\u2019ta D\u00fcnya\u2019ya en yak\u0131n konumuna ula\u015facak; ancak bu mesafe yine de yakla\u015f\u0131k 270 milyon kilometre olacak, yani D\u00fcnya ile G\u00fcne\u015f aras\u0131ndaki mesafenin neredeyse iki kat\u0131.<\/p>\n
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Haziran sonunda ke\u015ffedilen ve Temmuz\u2019da \u00fc\u00e7\u00fcnc\u00fc bilinen y\u0131ld\u0131zlararas\u0131 cisim olarak do\u011frulanan 3I\/ATLAS, aylard\u0131r saatte 210 bin kilometre h\u0131zla i\u00e7 G\u00fcne\u015f Sistemi\u2019nden ge\u00e7iyor. Ekim ay\u0131nda Mars\u2019a ve G\u00fcne\u015f\u2019e en yak\u0131n konumuna ula\u015fan 3I\/ATLAS’\u0131n bu yak\u0131n ge\u00e7i\u015fi, kuyruklu y\u0131ld\u0131z<\/a>\u0131n i\u00e7 yap\u0131s\u0131ndaki buzlar\u0131n h\u0131zla buharla\u015fmas\u0131na yol a\u00e7t\u0131 ve 3I\/ATLAS\u2019\u0131 belirgin bi\u00e7imde parlak, yo\u011fun gaz ve toz p\u00fcsk\u00fcrten bir hale getirdi.<\/p>\n \u00a0<\/p>\n NASA<\/a>\u2019n\u0131n 30 Kas\u0131m\u2019da Hubble Uzay<\/a> Teleskobu ile \u00e7ekti\u011fi yeni g\u00f6r\u00fcnt\u00fcde, kuyruklu y\u0131ld\u0131z\u0131n parlak \u00e7ekirde\u011fi ve etraf\u0131ndaki geni\u015f koma a\u00e7\u0131k\u00e7a g\u00f6r\u00fcl\u00fcyor. G\u00fcne\u015f\u2019e bakan y\u00fczeyinden y\u00fckselen ince gaz jetleri de g\u00f6r\u00fcnt\u00fcde se\u00e7ilebiliyor.<\/p>\n \u00a0<\/p>\n Hubble, Temmuz\u2019daki ilk g\u00f6r\u00fcnt\u00fclemeye k\u0131yasla kuyruklu y\u0131ld\u0131za bu kez \u00e7ok daha yak\u0131nd\u0131. \u0130lk veriler, 3I\/ATLAS\u2019\u0131n 440 metre ile 5,6 kilometre aras\u0131nda bir \u00e7apa sahip olabilece\u011fini g\u00f6stermi\u015fti, bu da onu bug\u00fcne kadar g\u00f6r\u00fclen en b\u00fcy\u00fck y\u0131ld\u0131zlararas\u0131 cisim yap\u0131yor. Yeni g\u00f6r\u00fcnt\u00fclerin bilimsel analizi yak\u0131nda a\u00e7\u0131klanacak.<\/p>\n \u00a0<\/p>\n ESA\u2019n\u0131n Jupiter Icy Moons Explorer (Juice) uzay arac\u0131 da 2 Kas\u0131m\u2019da kuyruklu y\u0131ld\u0131z\u0131 g\u00f6r\u00fcnt\u00fcledi. Juice, o s\u0131rada yaln\u0131zca 66 milyon kilometre uzaktayd\u0131 ve koma ile iki farkl\u0131 kuyru\u011fu (plazma kuyru\u011fu ve muhtemel toz kuyru\u011fu) se\u00e7ebildi.<\/p>\n \u00a0<\/p>\n Sonda, 3I\/ATLAS\u2019\u0131 be\u015f farkl\u0131 bilimsel ara\u00e7la g\u00f6zlemledi; ancak bu verilerin tamam\u0131, Juice\u2019\u0131n \u015fu an G\u00fcne\u015f\u2019e yak\u0131n ge\u00e7i\u015fte ana antenini \u0131s\u0131 kalkan\u0131 olarak kullanmas\u0131 nedeniyle 2026 \u015eubat ay\u0131na kadar D\u00fcnya\u2019ya ula\u015fmayacak.<\/p>\n \u00a0<\/p>\n \u015eu ana kadar Hubble, Juice, Mars y\u00f6r\u00fcnge ara\u00e7lar\u0131, g\u00fcne\u015f g\u00f6zlemcileri ve asteroit izleyiciler dahil 12\u2019den fazla uzay arac\u0131 3I\/ATLAS\u2019\u0131 g\u00f6zlemledi. \u00d6n\u00fcm\u00fczdeki g\u00fcnlerde ise James Webb Uzay Teleskobu da kuyruklu y\u0131ld\u0131z\u0131 yeniden inceleyecek.<\/p>\n \u00a0<\/p>\n 19 Aral\u0131k\u2019a yakla\u015f\u0131rken, hem profesyonel g\u00f6zlemevleri hem de amat\u00f6r astronomlar g\u00f6ky\u00fcz\u00fcndeki bu gizemli y\u0131ld\u0131zlararas\u0131 ziyaret\u00e7iyi takip edebilecek.<\/p>\n \u00a0<\/p>\n 3I\/ATLAS, G\u00fcne\u015f Sistemi\u2019nden \u00e7\u0131kmadan \u00f6nce bilim insanlar\u0131na nadir bir f\u0131rsat sunmaya devam ediyor: G\u00fcne\u015f d\u0131\u015f\u0131ndan gelen bir cismin davran\u0131\u015f\u0131n\u0131, yap\u0131s\u0131n\u0131 ve evrimini ger\u00e7ek zamanl\u0131 izleme \u015fans\u0131.<\/p>\n<\/div>\nHUBBLE’DAN \u0130K\u0130NC\u0130 YAKIN BAKI\u015e<\/strong><\/h3>\n
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JUICE’DEN YAKIN MESAFE G\u00d6R\u00dcNT\u00dcS\u00dc<\/strong><\/h3>\n
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D\u00dcNYA G\u00d6ZLEMLERE HAZIRLANIYOR<\/strong><\/h3>\n
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