Avtory i prava: Rich Richins (Rich Richins)
Poyasnenie:
Analemmoi nazyvaetsya
krivaya v forme vos'merki, kotoraya vyrisovyvaetsya, esli otmechat' polozheniya
Solnca v odno i to zhe vremya ezhednevno v techenie goda.
Esli poprobovat' postroit' analemmu Luny, to Vy zametite,
chto v srednem Luna
vozvrashaetsya v tu zhe tochku na nebe s opozdaniem na 51 minutu kazhdyi den'.
Poetomu, esli Vy budete fotografirovat'
Lunu
kazhdyi den' s zaderzhkoi v 51 minut v techenie lunnogo mesyaca,
to poluchitsya krivaya tipa analemmy.
Istinnoe polozhenie Luny otlichaetsya ot srednego iz-za
togo, chto orbita
Luny - ellipticheskaya i naklonena k ploskosti ekliptiki.
Chtoby prodemonstrirovat' lunnuyu analemmu, astronom Rich Richins vybral lunnyi mesyac,
vklyuchayushii
den' letnego solncestoyaniya.
On
poluchil seriyu fotografii v gorah Organ (Organ Mountains) na yuge shtata N'yu-Mehiko (SShA).
Samaya yuzhnaya pravaya tochka sootvetstvuet
voshodu polnoi Luny, a samaya levaya verhnyaya tochka - novoluniyu.
Sozdanie etogo sostavnogo izobrazheniya potrebovalo nekotoryh uhishrenii, v osobennosti
dlya togo, chtoby vklyuchit' snimki tonkogo polumesyaca, kotorye delalis' v
svetloe vremya sutok.
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NASA Web Site Statements, Warnings, and Disclaimers
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A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
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Publikacii s klyuchevymi slovami:
analemma - Moon - lunation - phase - full moon - new moon - Luna - lunnyi mesyac - analemma
Publikacii so slovami: analemma - Moon - lunation - phase - full moon - new moon - Luna - lunnyi mesyac - analemma | |
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