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Kosmicheskii teleskop "Dzheims Vebb": zerkala i lyudi v maskah
<< Vchera 11.03.2010 Zavtra >>
Kosmicheskii teleskop "Dzheims Vebb": zerkala i lyudi v maskah
Avtory i prava:
Boll Aerospeis
Perevod: D.Yu.Cvetkov
Poyasnenie: Kto eti lyudi v maskah? Eto — specialisty kompanii "Boll Aerospeis" i NASA, proveryayushie segmenty glavnogo zerkala kosmicheskogo teleskopa "Dzheims Vebb" (James Webb Space Telescope – JWST) v laboratorii rentgenovskoi i kriogennoi tehniki Centra kosmicheskih poletov im. Marshalla. Zapusk teleskopa JWST s glavnym zerkalom diametrom 6.5 metrov, sostoyashim iz 18 shestiugol'nyh segmentov, zaplanirovan na 2014 god. On prednaznachen dlya infrakrasnyh issledovanii rannei Vselennoi. Na fotografii pokazana gruppa segmentov zerkala teleskopa JWST, podgotovlennaya dlya ispytanii, kotorye dolzhny vyyasnit' ih sootvetstvie tehnicheskim trebovaniyam. Kostyumy i maski specialistov sluzhat dlya predotvrasheniya zagryazneniya poverhnostei zerkal. V laboratorii rentgenovskoi i kriogennoi tehniki centra im. Marshalla zerkala proveryayutsya v bol'shoi krugloi vakuumnoi kamere, kotoraya posle otkachivaniya vozduha ohlazhdaetsya do temperatury -400 gradusov po Farengeitu (-240 gradusov Cel'siya). Isklyuchitel'no nizkie davlenie i temperatura dolzhny vosproizvodit' usloviya raboty zerkal teleskopa JWST v kosmose. Ispytaniya segmentov zerkala JWST budut prodolzhat'sya v techenie sleduyushih 18 mesyacev.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

English text
Po materialam Astronomy Picture Of the Day
Publikacii s klyuchevymi slovami: telescope - teleskop
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