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العربية: التعليق الأصلي: خلال اختبارات التجميد، سوف تُعرَّض المرايا إلى درجات حرارة تنخفض تدريجيًّا وُصولًا إلى 24 كلڤن، مما سيسمح للمُهندسين أن يقيسوا كيفيَّة تغيُّر شكل كُل مرآة على حدى خِلال تبرُّدها، وذلك بِدقَّةٍ كبيرة. لِمزيدٍ من المعلومات:
English: Caption: During cryogenic testing, the mirrors will be subjected to temperatures dipping to 24 Kelvins, permitting engineers to measure in extreme detail how the shape of each mirror changes as it cools. More information:
日本語: ジェイムズ・ウェッブ宇宙望遠鏡のベリリウム製の主鏡。
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Müəllif NASA/MSFC/David Higginbotham/Emmett Given

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təsvir edir

13 iyul 2010

captured with ingilis

Nikon D3 ingilis

exposure time ingilis

0,004 saniyə

f-number ingilis

7,1

focal length ingilis

17 millimetr

ISO speed ingilis

320

media type ingilis

image/jpeg

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4.256 × 2.832 (9,38 MB) {{Information |Description={{en|1=Caption: During cryogenic testing, the mirrors will be subjected to temperatures dipping to -415 degrees Fahrenheit, permitting engineers to measure in extreme detail how the shape of each mirror changes as it cools. Mor

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