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Global • 2026-11-01, 15:36 GMT • ~1 min read

Ceres' hidden salt deposits may be far larger than thought

سیریس کے چھپے نمک کے ذخائر خیال سے کہیں زیادہ ہو سکتے ہیں

सीरीस के छिपे नमक भंडार अनुमान से कहीं बड़े हो सकते हैं

Ceres' hidden salt deposits may be far larger than thought

Key points

اہم نکات

मुख्य बातें

  • Caltech researchers reanalysing NASA Dawn spacecraft data say the dwarf planet Ceres may hold far more salt on its surface than previously measured, with water ice masking the true extent of the deposits.
  • The study, published in the Journal of Geophysical Research: Planets, combined Dawn data from 2015 to 2018 with computer models and found salt deposits could be 30 to 50 percent greater than earlier estimates.
  • Salty ice evaporates faster than pure ice, gradually concentrating salt at the surface, while landslides expose fresh ice that then evaporates and leaves behind the bright spots Dawn observed.
  • کیلٹیک کے محققین نے ناسا کے ڈان خلائی جہاز کے ڈیٹا کا دوبارہ تجزیہ کر کے کہا ہے کہ بونے سیارے سیریس کی سطح پر پہلے ماپے گئے نمک سے کہیں زیادہ نمک ہو سکتا ہے، کیونکہ پانی کی برف ذخائر کی اصل حد کو چھپا رہی ہے۔ جرنل آف جیو فزیکل ریسرچ: پلینٹس میں شائع مطالعے میں 2015 سے 2018 تک کے ڈان ڈیٹا کو کمپیوٹر ماڈلز کے ساتھ ملایا گیا اور پایا گیا کہ نمک کے ذخائر پہلے اندازوں سے 30 سے 50 فیصد زیادہ ہو سکتے ہیں۔ نمک ملی برف خالص برف سے تیزی سے بخارات بنتی ہے، جس سے سطح پر نمک آہستہ آہستہ مرتکز ہوتا ہے، جبکہ لینڈ سلائیڈز تازہ برف کو ظاہر کرتی ہیں جو پھر بخارات بن کر وہ روشن دھبے چھوڑ جاتی ہے جو ڈان نے دیکھے تھے۔ یہ عمل سیریس کے مشہور روشن دھبوں کی تشکیل کی وضاحت میں مدد کرتا ہے۔
  • कैलटेक के शोधकर्ताओं ने नासा के डॉन अंतरिक्ष यान के डेटा का पुनः विश्लेषण करके कहा है कि बौने ग्रह सीरीस की सतह पर पहले मापे गए नमक से कहीं अधिक नमक हो सकता है, क्योंकि पानी की बर्फ़ भंडारों की वास्तविक सीमा को छिपा रही है। जर्नल ऑफ जियोफिजिकल रिसर्च: प्लैनेट्स में प्रकाशित अध्ययन में 2015 से 2018 तक के डॉन डेटा को कंप्यूटर मॉडलों के साथ मिलाया गया और पाया गया कि नमक भंडार पहले के अनुमानों से 30 से 50 प्रतिशत अधिक हो सकते हैं। नमक मिली बर्फ़ शुद्ध बर्फ़ से तेज़ी से वाष्प बनती है, जिससे सतह पर नमक धीरे-धीरे केंद्रित होता है, जबकि भूस्खलन ताज़ा बर्फ़ को उजागर करते हैं जो फिर वाष्प बनकर वे चमकीले धब्बे छोड़ जाती है जो डॉन ने देखे थे। यह प्रक्रिया सीरीस के प्रसिद्ध चमकीले धब्बों के बनने की व्याख्या में मदद करती है।

Caltech researchers reanalysing NASA Dawn spacecraft data say the dwarf planet Ceres may hold far more salt on its surface than previously measured, with water ice masking the true extent of the deposits. The study, published in the Journal of Geophysical Research: Planets, combined Dawn data from 2015 to 2018 with computer models and found salt deposits could be 30 to 50 percent greater than earlier estimates. Salty ice evaporates faster than pure ice, gradually concentrating salt at the surface, while landslides expose fresh ice that then evaporates and leaves behind the bright spots Dawn observed. The feedback process helps explain how Ceres' famous bright patches form.

کیلٹیک کے محققین نے ناسا کے ڈان خلائی جہاز کے ڈیٹا کا دوبارہ تجزیہ کر کے کہا ہے کہ بونے سیارے سیریس کی سطح پر پہلے ماپے گئے نمک سے کہیں زیادہ نمک ہو سکتا ہے، کیونکہ پانی کی برف ذخائر کی اصل حد کو چھپا رہی ہے۔ جرنل آف جیو فزیکل ریسرچ: پلینٹس میں شائع مطالعے میں 2015 سے 2018 تک کے ڈان ڈیٹا کو کمپیوٹر ماڈلز کے ساتھ ملایا گیا اور پایا گیا کہ نمک کے ذخائر پہلے اندازوں سے 30 سے 50 فیصد زیادہ ہو سکتے ہیں۔ نمک ملی برف خالص برف سے تیزی سے بخارات بنتی ہے، جس سے سطح پر نمک آہستہ آہستہ مرتکز ہوتا ہے، جبکہ لینڈ سلائیڈز تازہ برف کو ظاہر کرتی ہیں جو پھر بخارات بن کر وہ روشن دھبے چھوڑ جاتی ہے جو ڈان نے دیکھے تھے۔ یہ عمل سیریس کے مشہور روشن دھبوں کی تشکیل کی وضاحت میں مدد کرتا ہے۔

कैलटेक के शोधकर्ताओं ने नासा के डॉन अंतरिक्ष यान के डेटा का पुनः विश्लेषण करके कहा है कि बौने ग्रह सीरीस की सतह पर पहले मापे गए नमक से कहीं अधिक नमक हो सकता है, क्योंकि पानी की बर्फ़ भंडारों की वास्तविक सीमा को छिपा रही है। जर्नल ऑफ जियोफिजिकल रिसर्च: प्लैनेट्स में प्रकाशित अध्ययन में 2015 से 2018 तक के डॉन डेटा को कंप्यूटर मॉडलों के साथ मिलाया गया और पाया गया कि नमक भंडार पहले के अनुमानों से 30 से 50 प्रतिशत अधिक हो सकते हैं। नमक मिली बर्फ़ शुद्ध बर्फ़ से तेज़ी से वाष्प बनती है, जिससे सतह पर नमक धीरे-धीरे केंद्रित होता है, जबकि भूस्खलन ताज़ा बर्फ़ को उजागर करते हैं जो फिर वाष्प बनकर वे चमकीले धब्बे छोड़ जाती है जो डॉन ने देखे थे। यह प्रक्रिया सीरीस के प्रसिद्ध चमकीले धब्बों के बनने की व्याख्या में मदद करती है।

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