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Central'naya oblast' Mlechnogo Puti
<< Vchera 8.09.1995 Zavtra >>
Central'naya oblast' Mlechnogo Puti
Avtory i prava: Agenstvo NASA, Proekt po issledovaniyu kosmicheskogo fona
Poyasnenie: V 1990-h godah sputnik po issledovaniyu kosmicheskogo fona (COsmic Background Explorer - COBE) otskaniroval vse nebo v infrakrasnom svete. Kartinka, kotoruyu Vy vidite, yavlyaetsya rezul'tatom issledovaniya central'noi oblasti Mlechnogo Puti. Mlechnyi Put' - obychnaya spiral'naya galaktika, u kotoroi est' central'nyi baldzh i protyazhennyi zvezdnyi disk. Gaz i pyl' v diske pogloshayut izluchenie v vidimom diapazone, chto meshaet nablyudeniyam centra galaktiki. Tak kak infrakrasnyi svet slabee pogloshaetsya gazom i pyl'yu, to eksperiment po izucheniyu diffuznogo infrakrasnogo fona (Diffuse InfraRed Background Experiment - DIRBE) na bortu sputnika COBE po issledovaniyu kosmicheskogo fona registriruet eto izluchenie ot zvezd, okruzhayushih galakticheskii centr. Privedennoe vyshe izobrazhenie predstavlyaet soboi vid galakticheskogo centra s rasstoyaniya 30000 svetovyh let (eto rasstoyanie ot Solnca do centra nashei galaktiki). V eksperimente DIBRE ispol'zuetsya apparatura, ohlazhdaemaya zhidkim geliem, special'no dlya registracii infrakrasnogo izlucheniya, k kotoromu chelovecheskii glaz nechuvstvitelen.

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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: Milky Way - Galaktika - infrakrasnoe izluchenie - spiral'naya galaktika
Publikacii so slovami: Milky Way - Galaktika - infrakrasnoe izluchenie - spiral'naya galaktika
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