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Global • 2026-11-01, 10:00 GMT • ~1 min read

Interstellar comet 3I/ATLAS may hold material older than the Sun

بین النجوماتی دمدار ستارہ 3I/ATLAS میں سورج سے بھی پرانا مواد ہو سکتا ہے

अंतरतारकीय धूमकेतु 3I/ATLAS में सूर्य से भी पुरानी सामग्री हो सकती है

Interstellar comet 3I/ATLAS may hold material older than the Sun

Key points

اہم نکات

मुख्य बातें

  • A new study of interstellar comet 3I/ATLAS suggests it may carry material far older than our Sun.
  • Using the James Webb Space Telescope, researchers measured an unusually high level of heavy hydrogen in the comet's methane, 13 times the level found in comet 67P, the only other local comet with a secure measurement.
  • The chemical fingerprint points to ice that formed in an extremely cold, metal-poor cloud, consistent with a system that took shape 10 to 12 billion years ago, long before our Solar System existed.
  • بین النجوماتی دمدار ستارے 3I/ATLAS کے نئے مطالعے سے معلوم ہوتا ہے کہ اس میں ہمارے سورج سے کہیں زیادہ پرانا مواد ہو سکتا ہے۔ جیمز ویب خلائی دوربین سے محققین نے دمدار ستارے کے میتھین میں بھاری ہائیڈروجن کی غیر معمولی مقدار ناپی، جو دمدار ستارے 67P میں پائی گئی مقدار سے 13 گنا زیادہ ہے۔ یہ کیمیائی نشان اس برف کی طرف اشارہ کرتا ہے جو انتہائی سرد اور کم دھاتی بادل میں بنی، اور یہ اس نظام سے مطابقت رکھتا ہے جو 10 سے 12 ارب سال پہلے وجود میں آیا، یعنی ہمارے نظام شمسی سے بہت پہلے۔ 3I/ATLAS ہمارے نظام شمسی سے گزرنے والا صرف تیسرا تصدیق شدہ بین النجوماتی جسم ہے، اور سائنسدانوں کا کہنا ہے کہ یہ کہکشاں کے قدیم گوشے کا ایک نایاب محفوظ نمونہ ہے۔
  • अंतरतारकीय धूमकेतु 3I/ATLAS के नए अध्ययन से पता चलता है कि इसमें हमारे सूर्य से कहीं अधिक पुरानी सामग्री हो सकती है। जेम्स वेब अंतरिक्ष दूरबीन से शोधकर्ताओं ने धूमकेतु के मीथेन में भारी हाइड्रोजन का असामान्य रूप से उच्च स्तर मापा, जो धूमकेतु 67P में पाए गए स्तर से 13 गुना अधिक है। यह रासायनिक संकेत ऐसी बर्फ की ओर इशारा करता है जो अत्यंत ठंडे और धातु-रहित बादल में बनी थी, जो 10 से 12 अरब साल पहले बनी किसी प्रणाली से मेल खाता है, यानी हमारे सौरमंडल के अस्तित्व से बहुत पहले। 3I/ATLAS हमारे सौरमंडल से गुजरने वाली केवल तीसरी पुष्ट अंतरतारकीय वस्तु है, और वैज्ञानिकों का कहना है कि यह आकाशगंगा के प्राचीन कोने का एक दुर्लभ संरक्षित नमूना है।

A new study of interstellar comet 3I/ATLAS suggests it may carry material far older than our Sun. Using the James Webb Space Telescope, researchers measured an unusually high level of heavy hydrogen in the comet's methane, 13 times the level found in comet 67P, the only other local comet with a secure measurement. The chemical fingerprint points to ice that formed in an extremely cold, metal-poor cloud, consistent with a system that took shape 10 to 12 billion years ago, long before our Solar System existed. 3I/ATLAS is only the third interstellar object ever confirmed passing through our Solar System, and scientists say it offers a rare preserved sample of an ancient corner of the Milky Way.

بین النجوماتی دمدار ستارے 3I/ATLAS کے نئے مطالعے سے معلوم ہوتا ہے کہ اس میں ہمارے سورج سے کہیں زیادہ پرانا مواد ہو سکتا ہے۔ جیمز ویب خلائی دوربین سے محققین نے دمدار ستارے کے میتھین میں بھاری ہائیڈروجن کی غیر معمولی مقدار ناپی، جو دمدار ستارے 67P میں پائی گئی مقدار سے 13 گنا زیادہ ہے۔ یہ کیمیائی نشان اس برف کی طرف اشارہ کرتا ہے جو انتہائی سرد اور کم دھاتی بادل میں بنی، اور یہ اس نظام سے مطابقت رکھتا ہے جو 10 سے 12 ارب سال پہلے وجود میں آیا، یعنی ہمارے نظام شمسی سے بہت پہلے۔ 3I/ATLAS ہمارے نظام شمسی سے گزرنے والا صرف تیسرا تصدیق شدہ بین النجوماتی جسم ہے، اور سائنسدانوں کا کہنا ہے کہ یہ کہکشاں کے قدیم گوشے کا ایک نایاب محفوظ نمونہ ہے۔

अंतरतारकीय धूमकेतु 3I/ATLAS के नए अध्ययन से पता चलता है कि इसमें हमारे सूर्य से कहीं अधिक पुरानी सामग्री हो सकती है। जेम्स वेब अंतरिक्ष दूरबीन से शोधकर्ताओं ने धूमकेतु के मीथेन में भारी हाइड्रोजन का असामान्य रूप से उच्च स्तर मापा, जो धूमकेतु 67P में पाए गए स्तर से 13 गुना अधिक है। यह रासायनिक संकेत ऐसी बर्फ की ओर इशारा करता है जो अत्यंत ठंडे और धातु-रहित बादल में बनी थी, जो 10 से 12 अरब साल पहले बनी किसी प्रणाली से मेल खाता है, यानी हमारे सौरमंडल के अस्तित्व से बहुत पहले। 3I/ATLAS हमारे सौरमंडल से गुजरने वाली केवल तीसरी पुष्ट अंतरतारकीय वस्तु है, और वैज्ञानिकों का कहना है कि यह आकाशगंगा के प्राचीन कोने का एक दुर्लभ संरक्षित नमूना है।

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