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Polyarnoe siyanie nad gorami Chugach
<< Vchera 29.09.2003 Zavtra >>
Polyarnoe siyanie nad gorami Chugach
Avtory i prava: Calvin Hall (Alaska Aurora)
Perevod: N.A.Lipunova
Poyasnenie: Polyarnye siyaniya chasto predstavlyayut velikolepnoe zrelishe. Eto zelenoe polyarnoe siyanie (sm. foto) raskinulos' v nebe nad bezmyatezhnym ozerom Portidzh (Portage Lake) i zasnezhennymi gorami Chugach (Chugach Mountains) vozle mestechka Ankoridzh (Anchorage) na Alyaske (SShA). Peizazh snyat v lunnuyu noch'. Na pervyi vzglyad polyarnye siyaniya napominayut zalitye lunnym svetom oblaka. V otlichie ot oblakov oni prozrachny, a nebo blagodarya im stanovitsya svetlee. V severnom polusharii oni nazyvayutsya severnymi polyarnymi siyaniyami. Prichinoi vozniknoveniya polyarnyh siyanii yavlyaetsya svechenie zaryazhennyh chastic solnechnogo vetra, popavshih v zemnuyu atmosferu. Nablyudeniya, provedennye iz kosmosa, pokazyvayut, chto polyarnye siyaniya svetyat takzhe v rentgenovskom diapazone. Poyavlenie polyarnyh siyanii obychno sleduet ozhidat' spustya neskol'ko dnei posle ocherednogo vspleska aktivnosti na Solnce.

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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: aurora - mountains - polyarnoe siyanie - gora
Publikacii so slovami: aurora - mountains - polyarnoe siyanie - gora
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