Perevod: Vol'nova A.A.
Poyasnenie:
Kogda zhe liniya, razdelyayushaya den' i noch', stanet vertikal'noi?
Otvet — zavtra.
Zavtra na planete Zemlya nastupit ravnodenstvie
— moment v
godu, kogda den' i noch' prakticheski ravny mezhdu soboi.
Vo vremya ravnodenstviya Zemnoi
terminator — liniya,
razdelyayushaya dnevnuyu i nochnuyu storony planety — raspolagaetsya vertikal'no i
soedinyaet
severnyi
i
yuzhnyi polyusa.
Segodnyashnii videorolik demonstriruet
etot moment, ohvatyvaya
ves' Zemnoi god za 12 sekund.
Sputnik Meteosat, raspolozhennyi
na geostacionarnoi orbite,
snimal infrakrasnye
fotografii Zemli kazhdyi den'
v odno i to zhe mestnoe vremya.
Video nachinaetsya v sentyabre
2010 goda, vo vremya
ravnodenstviya, kogda terminator byl vertikal'nym.
Po mere obrasheniya Zemli
vokrug Solnca
terminator naklonyaetsya tak, chto v severnom polusharii dnevnogo sveta stanovitsya
men'she, i tam
nachinaetsya zima.
God prodolzhaetsya, i v seredine video prihodit vesennee ravnodenstvie
marta 2011 goda, a zatem
terminator nachinaet
sklonyat'sya v druguyu storonu,
vyzyvaya zimu
v yuzhnom polusharii i leto — v
severnom.
Zapechatlennyi sputnikom god zakanchivaetsya sentyabr'skim ravnodenstviem,
zavershaetsya eshe
odno iz milliardov puteshestvii,
kotorye Zemlya sovershila — i eshe sovershit — vokrug Solnca.
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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:
equinox - Earth - terminator - Zemlya - Ravnodenstvie - vrashenie Zemli - Terminator
Publikacii so slovami: equinox - Earth - terminator - Zemlya - Ravnodenstvie - vrashenie Zemli - Terminator | |
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