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Novye opredeleniya dlya tel Solnechnoi sistemy: vosem' planet
<< Vchera 28.08.2006 Zavtra >>
Novye opredeleniya dlya tel Solnechnoi sistemy: vosem' planet
Avtory i prava: Mezhdunarodnyi astronomicheskii soyuz
Perevod: Kozyreva A.V.
Poyasnenie: Skol'ko zhe planet v Solnechnoi sisteme? Na etot muchayushii vseh vopros nakonec-to poyavilsya novyi oficial'nyi otvet, kotoryi osnovan na prinyatoi Mezhdunarodnym astronomicheskim soyuzom (MAS) rezolyucii. Planet v Solnechnoi sisteme vosem'! Na proshloi nedele MAS progolosoval za novoe opredelenie ponyatiya "planeta". Soglasno emu, Pluton ne udovletvoryaet neobhodimym kriteriyam, chtoby byt' planetoi! Teper' Pluton klassificiruetsya kak karlikovaya planeta i yavlyaetsya prototipom novogo klassa ob'ektov - transneptunovyh ob'ektov. Itak, soglasno rezolyucii MAS, v Solnechnuyu sistemu vhodyat sleduyushie vosem' planet: Merkurii, Venera, Zemlya, Mars, Yupiter, Saturn, Uran i Neptun, a takzhe tri karlikovye planety: Cerera, Pluton i ob'ekt bez sobstvennogo imeni 2003 UB313. Chtoby nazyvat'sya planetoi, neobhodimo otvechat' sleduyushim kriteriyam: ob'ekt dolzhen dvigat'sya po orbite vokrug Solnca, orbita dolzhna byt' vydelennoi i byt' dostatochno udalennoi ot orbit drugih tel, forma ego dolzhna s nekotorym priblizheniem byt' sfericheskoi. Isklyuchenie Plutona iz klassa planet yavlyaetsya predmetom prodolzhayushihsya raznoglasii i sporov v astronomicheskom soobshestve.

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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: planety - planetnaya sistema - solnechnaya sistema
Publikacii so slovami: planety - planetnaya sistema - solnechnaya sistema
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