HalbeegEnsaykloobediya furanIn English
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Meere

Ka Halbeeg, ensaykloobediyada furan · In English

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Planet als
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plini jbo
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Planeet nds-nl
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He̍k-chheⁿ zh-min-nan
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Meere
This is a montage of planetary images taken by spacecraft managed by the Jet Propulsion Laboratory in Pasadena, CA. Included are (from top to bottom) images of Mercury, Venus, Earth (and Moon), Mars, Jupiter, Saturn, Uranus and Neptune. The spacecraft responsible for these images are as follows: thNASA · Public domain · Commons

Meere waa jir weyn oo samada ah oo ku wareega xiddig, sida Qorraxda. Meeruhu wuxuu leeyahay cuf (mass) ku filan in cuf-jiidasha uu qaab wareegsan oo ku dhow goobo (sphere) u yeesho, laakiin cufkiisu kuma filna in gudihiisa ay bilaabato falgal nukliyeer ah sida ka dhacda xiddigaha. Meerayaashu iftiin ma soo saaraan; waxaa la arkaa iftiinka ay ka celiyaan.

Nidaamka Qorraxda wuxuu leeyahay siddeed meere. Marka laga bilaabo kan Qorraxda ugu dhow: Mercury, Venus, Dhulka, Mars, Jupiter, Saturn, Uranus iyo Neptune. Afartii hore waxaa loo yaqaan meerayaasha dhagaxa ah, halka afartii dambe ay yihiin meerayaal waaweyn oo gaas iyo baraf ah.

Qeexidda cilmiga

Sannadkii 2006 Ururka Caalamiga ah ee Cirbixiyeenimada (IAU) wuxuu qeexay in jir uu meere yahay haddii: (1) uu Qorraxda ku wareego, (2) cufkiisu ku filan yahay inuu qaab goobo u yeesho, iyo (3) uu 'nadiifiyay' wadada wareeggiisa oo aan jirin jirar kale oo la mid ah oo ku dhex jira. Sababtaas awgeed Pluto laga saaray liiska meerayaasha waaweyn, waxaana loo qoray meere-yar (dwarf planet).

Wareegga iyo wareeg-nafta

Meere kastaa wuxuu Qorraxda ku wareega wado oo ku dhow goobaabin (ellipse). Muddada uu ku dhammaystiro wareeggu waa sannadkiisa: Dhulka wuxuu qaadanaya qiyaastii 365 maalmood, halka Neptune ay ku qaadato dhawr boqol sannadood oo Dhulka ah. Meerayaashu sidoo kale waxay ku wareegaan dhidibkooda; wareegtaas ayaa keenta maalinta iyo habeenka.

Dayaxyada iyo giraanta

Meerayaal badan waxay leeyihiin dayaxyo, taasi waa jirar yaryar oo ku wareega meeraha. Dhulka wuxuu leeyahay hal dayax; Mars wuxuu leeyahay laba; Jupiter iyo Saturn waxay leeyihiin dayaxyo tiro badan. Mercury iyo Venus dayax ma laha. Saturn waxaa lagu yaqaan giraantiisa oo ka samaysan baraf iyo boodh; meerayaasha kale ee waaweyn sidoo kale waxay leeyihiin giraamo khafiif ah.

Meerayaasha xiddigo kale

Meerayaasha ku wareega xiddigo kale waxaa loo yaqaan exoplanets. Laga bilaabo sagaashameeyadii qarnigii labaatanaad, cirbixiyeennadu waxay helay kumanaan meerayaal noocan ah, badanaa iyagoo cabbiraya sida iftiinka xiddiggu u yaraado marka meerahu hor marayo, ama sida xiddiggu u ruxmo cuf-jiidashada meeraha.

Hubanti la'aanTirada saxda ah ee dayaxyada iyo exoplanets-ka la helay had iyo jeer way isbeddelaysaa marka cusbooneysiin cilmiyeed la sameeyo; halkan tirooyin la go'aamiyay lama bixin.
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