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Glossary term: इन्फ्रारेड खगोल विज्ञान

Also known as अवरक्त खगोलविज्ञान

Description: इन्फ्रारेड खगोल विज्ञान खगोल विज्ञानको एक शाखा हो जसले इन्फ्रारेड प्रकाशको अध्ययन गर्दछ। खगोल विज्ञान को यो क्षेत्र ले दृश्य प्रकाशमा (visible light) गरिने अवलोकनहरू भन्दा चिसो वस्तुहरूप्रति बढी संवेदनशील हुन्छ र धेरै टाढाका रेडशिफ्ट भएका आकाशगंगाहरूलाई अवलोकन गर्न सक्छ । इन्फ्रारेड अवलोकनहरू विलोपनबाट कम प्रभावित हुन्छन् जसले गर्दा ग्यास र धुलोको अन्तरतारकीय बादलहरू भित्रि भाग सम्म पनि यसले हेर्न र गहिरो अध्ययन गर्न सकिन्छ।
पृथ्वीको वायुमण्डलमा रहेका अणुहरूले अन्तरिक्षबाट आउने धेरैजसो इन्फ्रारेड प्रकाशलाई सोस्दछ, त्यसैले जमिनमा गरिने इन्फ्रारेड खगोल विज्ञान प्रायः तरंगदैर्ध्य दायराहरूमा गरिन्छ जहाँ यो अवशोषण कम हुन्छ। पृथ्वी र पृथ्वीको वायुमण्डल दुवैले इन्फ्रारेडमा विकिरण पैदा गर्दछन् त्यसैले पृष्ठभूमिमा हुने यी विकिरण हटाउन विशेष प्रविधिहरू आवश्यक पर्दछ। लामो तरंग भएको इन्फ्रारेड विकिरणको लागि, यो पृष्ठभूमि को विकिरण र वायुमण्डलीय अवशोषणले गर्दा जमिनमा अवलोकन गर्न लगभग असम्भव बनाउँछ। फलस्वरूप धेरै इन्फ्रारेड अवलोकनहरू अन्तरिक्ष दूरबीनहरू प्रयोग गरेर गरिन्छ। तथापि, सबैभन्दा लामो इन्फ्रारेड तरंगका लागि धेरै सुख्खा स्थानहरूबाट जमिनमा आधारित अवलोकनहरू सम्भव छन्। यसलाई सामान्यतया सबमिलिमिटर खगोल विज्ञान भनिन्छ।

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Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

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License: CC-BY-4.0 Creative Commons Attribution 4.0 International (CC BY 4.0) icons


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License: CC-BY-3.0-IGO Creative Commons Attribution 3.0 IGO icons