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Polyarnye siyaniya nad Alyaskoi
4.03.1998 | Astronomicheskaya kartinka dnya
Vyshe, chem samye vysokie gory , vyshe, chem proletayut samolety, poyavlyayutsya polyarnye
siyaniya . Polyarnye siyaniya ne byvayut nizhe 60 km nad Zemlei i mogut prostirat'sya do 1000 km. Polyarnye siyaniya poyavlyayutsya,
kogda elektrony i protony solnechnogo
vetra vrezayutsya v molekuly atmosfery Zemli i vozbuzhdayut ih.
Ocenka: 2.9 [golosov: 61]
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