Poyasnenie: Vyshe samoi vysokoi telebashni i samoi vysokoi gory, vyshe, chem mogut podnyat'sya samolety, nahoditsya oblast' polyarnyh siyanii. Polyarnye siyaniya redko nablyudayutsya na vysote men'she 60 kilometrov, a ih maksimal'naya vysota mozhet dostigat' 1000 kilometrov. Polyarnoe siyanie voznikaet, kogda elektrony i protony s vysokoi energiei stalkivayutsya s molekulami v atmosfere Zemli. Chasto pri nablyudeniyah iz kosmosa polyarnye siyaniya vyglyadyat kak krug, v centre kotorogo nahoditsya odin iz magnitnyh polyusov Zemli. Na etoi fotografii pokazano osobenno redkoe fioletovoe polyarnoe siyanie koronal'nogo tipa, kotoroe nablyudalos' 30-go avgusta nad Harshtadom v Norvegii.

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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.

Publikacii s klyuchevymi slovami: aurora - polyarnoe siyanie Publikacii so slovami: aurora - polyarnoe siyanie
Sm. takzhe: Polyarnoe siyanie vokrug severnogo polyusa Saturna Raznocvetnoe polyarnoe siyanie nad Novoi Zelandiei Severnoe siyanie nad Ital'yanskimi Al'pami Severnoe siyanie v Zapadnoi Virginii Yuzhnoe polyarnoe siyanie i Mezhdunarodnaya kosmicheskaya stanciya Pozdnyaya noch' v Vallentune Severnoe siyanie, stabil'noe krasnoe polyarnoe siyanie i Mlechnyi Put' Vse publikacii na tu zhe temu >>