Infrared Portrait of the Large Magellanic Cloud (2012 Jan 15)


Cosmic dust clouds ripple across this infrared portrait of our Milky Way's satellite galaxy, the Large Magellanic Cloud. In fact, the remarkable composite image from the Herschel Space Observatory and the Spitzer Space Telescope show that dust clouds fill this neighboring dwarf galaxy, much like dust along the plane of the Milky Way itself. The dust temperatures tend to trace star forming activity. Spitzer data in blue hues indicate warm dust heated by young stars. Herschel's instruments contributed the image data shown in red and green, revealing dust emission from cooler and intermediate regions where star formation is just beginning or has stopped. Dominated by dust emission, the Large Magellanic Cloud's infrared appearance is different from views in optical images. But this galaxy's well-known Tarantula Nebula still stands out, easily seen here as the brightest region to the left of center. A mere 160,000 light-years distant, the Large Cloud of Magellan is about 30,000 light-years across.


(बड़ा मैगेलैनिक बादल के इन्फ्रारेड पोर्ट्रेट (2012 जनवरी 15)
हमारी आकाशगंगा मार्ग उपग्रह आकाशगंगा, बड़ा मैगेलैनिक बादल की इस अवरक्त चित्र भर ब्रह्मांडीय धूल के बादलों लहर. वास्तव में, Herschel अंतरिक्ष वेधशाला और स्पिट्जर स्पेस टेलीस्कोप से उल्लेखनीय समग्र छवि का पता चलता है कि धूल के बादलों इस पड़ोसी बौना आकाशगंगा मिल्की वे खुद के विमान के साथ धूल की तरह बहुत भर. धूल तापमान सितारा बनाने की गतिविधि का पता लगाने के लिए जाते हैं. स्पिट्जर डेटा नीले रंग में गर्म युवा सितारों से गरम धूल से संकेत मिलता है. Herschel के उपकरणों छवि लाल और हरे रंग, कूलर और मध्यवर्ती क्षेत्रों में जहां स्टार गठन सिर्फ शुरुआत है या बंद कर दिया से खुलासा धूल उत्सर्जन में दिखाया डेटा योगदान दिया. धूल उत्सर्जन का प्रभुत्व है, बड़ा मैगेलैनिक बादल अवरक्त उपस्थिति ऑप्टिकल छवियों में दृश्य से अलग है. लेकिन इस आकाशगंगा टारेंटयुला प्रसिद्ध नेबुला अभी भी बाहर खड़ा है, आसानी से छात्रों को केंद्र की बाईं करने के लिए क्षेत्र के रूप में यहाँ देखा. एक मात्र 160.000 साल प्रकाश दूर, मैगलन के बड़े बादल के बारे में 30,000 प्रकाश वर्ष भर में है.)

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