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Vspyshka i Galaktika
<< Vchera 2.09.2015 Zavtra >>
Vspyshka i Galaktika
Avtory i prava: Martin Mark
Perevod: Vol'nova A.A.
Poyasnenie: Neuzheli etot chelovek metnul molniyu v nebo? Vovse net. Nesmotrya na vidimost', etot chelovek na samom dele ukazyvaet na yarkuyu vspyshku Iridiuma v nebe — sekundnoe otrazhenie solnechnogo sveta ot sputnika svyazi, letayushego po orbite vokrug Zemli. Po mere dvizheniya sputnika Iridium po orbite ego antenny svyazi izmenyayut polozhenie i inogda okazyvayutsya mezhdu nablyudatelem i Solncem pod takim uglom, chto solnechnyi zaichik ot nih stanovitsya yarche lyuboi zvezdy na nochnom nebe. Vspyshki Iridiumov dlyatsya po neskol'ko sekund, gorazdo dol'she, chem bol'shinstvo vspyshek meteorov. I v otlichie ot meteorov vspyshki Iridiumov simmetrichny i predskazuemy. Vspyshka, zapechatlennaya na fotografii, poimana ot sputnika Iridium-15 nad yuzhnoi chast'yu Estonii na proshloi nedele. Na zadnem plane etoi horosho splanirovannoi kompozicii vidno krasochnoe nochnoe nebo s yarkoi central'noi polosoi Mlechnogo Puti, prohodyashei cherez samyi centr kartinki.

Retrospektiva: segodnyashnii den' v istorii Astronomicheskoi kartinki dnya.

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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.

English text
Po materialam Astronomy Picture Of the Day
Publikacii s klyuchevymi slovami: satellite - vspyshki sputnikov
Publikacii so slovami: satellite - vspyshki sputnikov
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