Double planet
In astronomy, a double planet (also binary planet) is a binary system where both objects are of planetary mass. The term is not recognized by the International Astronomical Union and is therefore not an official classification. At its 2006 General Assembly, the International Astronomical Union considered a proposal that Pluto and Charon be reclassified as a double planet, but the proposal was abandoned in favor of the current definition of planet. In promotional materials advertising the SMART-1 mission and pre-dating the IAU planet definition, the European Space Agency once referred to the Earth–Moon system as a double planet.
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Double planet
In astronomy, a double planet (also binary planet) is a binary system where both objects are of planetary mass. The term is not recognized by the International Astronomical Union and is therefore not an official classification. At its 2006 General Assembly, the International Astronomical Union considered a proposal that Pluto and Charon be reclassified as a double planet, but the proposal was abandoned in favor of the current definition of planet. In promotional materials advertising the SMART-1 mission and pre-dating the IAU planet definition, the European Space Agency once referred to the Earth–Moon system as a double planet.
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25بك المحتوى هنا ينقصه الاستشه ...... حاجة للتوسيع. شارك في تحريرها.
@ar
Article principal : Système bi ...... pe et le couple Pluton-Charon.
@fr
Doppelplanetensystem (auch kur ...... te eines mittleren Bahnradius.
@de
Een dubbelplaneet is een tweet ...... afstand tussen beide lichamen.
@nl
In astronomy, a double planet ...... 9360 Sila–Nunam and 1998 WW31.
@en
O termo planeta duplo, no seu ...... oficialmente planetas-duplos.
@pt
Planeta podwójna – nieoficjaln ...... doszło do głosowania nad nim.
@pl
Un pianeta doppio è un insieme ...... indi essere usato con cautela.
@it
Un planeta doble es un término ...... oble) tales como (90) Antíope.
@es
Двойная планета — термин в аст ...... ект (47171) 1999 TC36 и т.д.).
@ru
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Wikipage revision ID
734,566,705
Caption
The Earth–Moon system is sometimes informally referred to as a double planet .
The Pluto–Charon system is closer to binary than the Earth–Moon system .
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25بك المحتوى هنا ينقصه الاستشه ...... لاسم الرسمي هو النظام الثنائي.
@ar
Article principal : Système bi ...... pe et le couple Pluton-Charon.
@fr
Doppelplanetensystem (auch kur ...... relativ ähnliches Ausmaß hat.
@de
Een dubbelplaneet is een tweet ...... omulus en Remus uit Star Trek.
@nl
In astronomy, a double planet ...... oon system as a double planet.
@en
O termo planeta duplo, no seu ...... stá acima de suas superfícies.
@pt
Planeta podwójna – nieoficjaln ...... doszło do głosowania nad nim.
@pl
Un pianeta doppio è un insieme ...... ere considerati pianeti doppi:
@it
Un planeta doble es un término ...... oble) tales como (90) Antíope.
@es
Двойная планета — термин в аст ...... ект (47171) 1999 TC36 и т.д.).
@ru
label
Doppelplanetensystem
@de
Double planet
@en
Dubbelplaneet
@nl
Pianeta doppio
@it
Planeta doble
@es
Planeta duplo
@pt
Planeta podwójna
@pl
Planète double
@fr
Двойная планета
@ru
كوكب مضاعف
@ar
