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Global • 2026-11-01, 01:09 GMT • ~1 min read

NASA's Swift telescope falls back to Earth after 22 years in space

ناسا کی سوئفٹ دوربین 22 سال خلا میں رہنے کے بعد زمین پر واپس گر رہی ہے

नासा की स्विफ्ट दूरबीन 22 साल अंतरिक्ष में रहने के बाद पृथ्वी पर वापस गिर रही है

NASA's Swift telescope falls back to Earth after 22 years in space

Key points

اہم نکات

मुख्य बातें

  • NASA's Swift Observatory, launched on November 20, 2004 to study gamma-ray bursts and supernovas, is falling back to Earth after 22 years in orbit.
  • Strong solar activity in recent years expanded the upper atmosphere and dragged the telescope down faster than planned.
  • A rescue attempt by Katalyst Space, whose robot Link launched in July, failed to get closer than seven to nine miles to the telescope, and Link itself fell back to Earth in September.
  • ناسا کی سوئفٹ آبزرویٹری، جو 20 نومبر 2004 کو گاما رے برسٹس اور سپرنووا کے مطالعے کے لیے روانہ کی گئی تھی، 22 سال مدار میں رہنے کے بعد زمین پر واپس گر رہی ہے۔ حالیہ برسوں میں شدید شمسی سرگرمی نے بالائی فضا کو پھیلا دیا اور دوربین کو منصوبے سے زیادہ تیزی سے نیچے کھینچ لیا۔ کیٹالسٹ اسپیس کی بچاؤ کی کوشش، جس کا روبوٹ لنک جولائی میں روانہ ہوا تھا، دوربین سے سات سے نو میل سے قریب نہ پہنچ سکا، اور لنک خود ستمبر میں زمین پر واپس گر گیا۔ ڈیڑھ ٹن کی دوربین کا بیشتر حصہ فضا میں جل جانے کی توقع ہے، لیکن ٹنگسٹن کے چند حصے اور آئینے کے ٹکڑے بچ سکتے ہیں، جو غالباً سمندر میں گریں گے۔ ممکنہ گرنے کا علاقہ افریقہ، آسٹریلیا، بھارت، جنوب مشرقی ایشیا اور وسطی و جنوبی امریکہ کے حصوں پر محیط ہے۔ سوئفٹ نے 2,000 سے زیادہ گاما رے برسٹس اور 1,400 پھٹتے ستارے ریکارڈ کیے، اور ہبل اور ویب دوربینوں کو خبردار کرنے والی پہلی اطلاع دینے والی دوربین کے طور پر کام کیا۔
  • नासा की स्विफ्ट वेधशाला, जिसे 20 नवंबर 2004 को गामा-किरण विस्फोटों और सुपरनोवा के अध्ययन के लिए भेजा गया था, 22 साल कक्षा में रहने के बाद पृथ्वी पर वापस गिर रही है। हाल के वर्षों में तेज़ सौर गतिविधि ने ऊपरी वायुमंडल को फैला दिया और दूरबीन को योजना से तेज़ी से नीचे खींच लिया। कैटालिस्ट स्पेस का बचाव प्रयास, जिसका रोबोट लिंक जुलाई में भेजा गया था, दूरबीन से सात से नौ मील से अधिक निकट नहीं पहुँच सका, और लिंक स्वयं सितंबर में पृथ्वी पर वापस गिर गया। डेढ़ टन की दूरबीन का अधिकांश भाग वायुमंडल में जल जाने की उम्मीद है, लेकिन टंगस्टन के कुछ हिस्से और दर्पण के टुकड़े बच सकते हैं, जो सबसे अधिक संभावना समुद्र में गिरेंगे। संभावित पुनः प्रवेश क्षेत्र में अफ़्रीका, ऑस्ट्रेलिया, भारत, दक्षिण-पूर्व एशिया और मध्य व दक्षिण अमेरिका के हिस्से आते हैं। स्विफ्ट ने 2,000 से अधिक गामा-किरण विस्फोट और 1,400 विस्फोटित तारे दर्ज किए, और हबल व वेब दूरबीनों को सचेत करने वाली पहली सूचना देने वाली दूरबीन के रूप में काम किया।

NASA's Swift Observatory, launched on November 20, 2004 to study gamma-ray bursts and supernovas, is falling back to Earth after 22 years in orbit. Strong solar activity in recent years expanded the upper atmosphere and dragged the telescope down faster than planned. A rescue attempt by Katalyst Space, whose robot Link launched in July, failed to get closer than seven to nine miles to the telescope, and Link itself fell back to Earth in September. Most of the 1.5-tonne telescope is expected to burn up in the atmosphere, but a few tungsten parts and mirror fragments could survive, most likely falling into the ocean. The possible re-entry zone covers parts of Africa, Australia, India, Southeast Asia and Central and South America. Swift recorded more than 2,000 gamma-ray bursts and 1,400 exploding stars, and acted as a first responder alerting the Hubble and Webb telescopes.

ناسا کی سوئفٹ آبزرویٹری، جو 20 نومبر 2004 کو گاما رے برسٹس اور سپرنووا کے مطالعے کے لیے روانہ کی گئی تھی، 22 سال مدار میں رہنے کے بعد زمین پر واپس گر رہی ہے۔ حالیہ برسوں میں شدید شمسی سرگرمی نے بالائی فضا کو پھیلا دیا اور دوربین کو منصوبے سے زیادہ تیزی سے نیچے کھینچ لیا۔ کیٹالسٹ اسپیس کی بچاؤ کی کوشش، جس کا روبوٹ لنک جولائی میں روانہ ہوا تھا، دوربین سے سات سے نو میل سے قریب نہ پہنچ سکا، اور لنک خود ستمبر میں زمین پر واپس گر گیا۔ ڈیڑھ ٹن کی دوربین کا بیشتر حصہ فضا میں جل جانے کی توقع ہے، لیکن ٹنگسٹن کے چند حصے اور آئینے کے ٹکڑے بچ سکتے ہیں، جو غالباً سمندر میں گریں گے۔ ممکنہ گرنے کا علاقہ افریقہ، آسٹریلیا، بھارت، جنوب مشرقی ایشیا اور وسطی و جنوبی امریکہ کے حصوں پر محیط ہے۔ سوئفٹ نے 2,000 سے زیادہ گاما رے برسٹس اور 1,400 پھٹتے ستارے ریکارڈ کیے، اور ہبل اور ویب دوربینوں کو خبردار کرنے والی پہلی اطلاع دینے والی دوربین کے طور پر کام کیا۔

नासा की स्विफ्ट वेधशाला, जिसे 20 नवंबर 2004 को गामा-किरण विस्फोटों और सुपरनोवा के अध्ययन के लिए भेजा गया था, 22 साल कक्षा में रहने के बाद पृथ्वी पर वापस गिर रही है। हाल के वर्षों में तेज़ सौर गतिविधि ने ऊपरी वायुमंडल को फैला दिया और दूरबीन को योजना से तेज़ी से नीचे खींच लिया। कैटालिस्ट स्पेस का बचाव प्रयास, जिसका रोबोट लिंक जुलाई में भेजा गया था, दूरबीन से सात से नौ मील से अधिक निकट नहीं पहुँच सका, और लिंक स्वयं सितंबर में पृथ्वी पर वापस गिर गया। डेढ़ टन की दूरबीन का अधिकांश भाग वायुमंडल में जल जाने की उम्मीद है, लेकिन टंगस्टन के कुछ हिस्से और दर्पण के टुकड़े बच सकते हैं, जो सबसे अधिक संभावना समुद्र में गिरेंगे। संभावित पुनः प्रवेश क्षेत्र में अफ़्रीका, ऑस्ट्रेलिया, भारत, दक्षिण-पूर्व एशिया और मध्य व दक्षिण अमेरिका के हिस्से आते हैं। स्विफ्ट ने 2,000 से अधिक गामा-किरण विस्फोट और 1,400 विस्फोटित तारे दर्ज किए, और हबल व वेब दूरबीनों को सचेत करने वाली पहली सूचना देने वाली दूरबीन के रूप में काम किया।

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