Avtory i prava: G.E. Parks
(Vashingtonskii Universitet), Instrument dlya issledovaniya
ul'trafioletovogo izlucheniya, apparat
"Polyarnyi", agenstvo NASA
Poyasnenie:
Kak vyglyadit polyarnoe siyanie iz kosmosa? Kosmicheskii
apparat "Polyarnyi" sfotografiroval oval polyarnogo siyaniya, okruzhayushii severnyi
polyus Zemli s nochnoi i dnevnoi storon. Vy vidite nebol'shuyu polyarnuyu buryu, izobrazhennuyu na kartinke v uslovnyh cvetah. Burya razvivalas' 15 minut i mozhet
prodolzhat'sya v techenie chasa. Polyarnye siyaniya obuslovleny
vzaimodeistviem s Zemlei bystrodvizhushihsya zaryazhennyh
chastic ot Solnca. Dostigaya Zemli, eti chasticy skol'zyat
po spiralyam vdol' linii magnitnogo polya i vyzyvayut raznocvetnoe svechenie. Instrument
dlya issledovaniya ul'trafioletovogo izlucheniya na bortu kosmicheskogo apparata "Polyarnyi"
osnashen special'nymi fil'trami, blagodarya kotorym polyarnye
siyaniya mozhno videt' v ul'trafioletovom
diapazone, gde net sil'noi zasvetki ot Solnca. Tam, gde preobladaet krasnyi svet,
izluchenie bolee intensivnoe. Dlya naglyadnosti na kartinke narisovany kontury zemnyh
kontinentov.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
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Publikacii s klyuchevymi slovami:
Earth - polyarnoe siyanie - Magnitnoe pole Zemli - Solnechnyi veter
Publikacii so slovami: Earth - polyarnoe siyanie - Magnitnoe pole Zemli - Solnechnyi veter | |
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