FormationSayniska

Meerayaasha cilin: Pluto, ERIS, Makemake, Haumea

meeraha cilin dhab ma jirin ilaa 2006. Markaas waxay la qoondeeyey fasalka cusub ee walxaha runtan. Ujeedada Isbadal intaasu waxay ahayd hordhaca ah ee dhex-dhexaadin u dhexeeya meerayaasha waaweyn iyo astiriyoodhada badan si looga hortago wareer in magacyada jirkooda iyo aqoonsiga cusub ee la ogaado ka baxsan Neptune.

qeexid

Markaas, in ay horey u fog 2006, shirka caadiga ah ee IAU (International ah sumalka uguma Midowga). On ajandaha ahaa su'aasha ah ee la tilmaamayo xaaladda Pluto. Inta lagu guda jiro wada hadal ah waxaa la go'aamiyay in ay isaga ka qaadid ah "darajo" meeraha sagaalaad. MAC ayaa sameeyay qeexidda walxaha meel gaar ah:

  • Planet - jirka orbiting Sun, weyn oo ku filan si ay u ilaaliyaan hoganaya hydrostatic (waa in ay leeyihiin qaab wareega) iyo in ay nadiifiso ay kastana falagiisuu dhex shayada kale.
  • Asteriyoodh - jirka daba noqonayaa ah Sun, taas oo uu leeyahay tiro yar, kuwaas oo aan u oggolayn in ay gaaraan isku dheelitirnaan hydrostatic.
  • meeraha cilin - jirka ah orbiting Sun in ay taageertaa hoganaya ku hydrostatic, laakiin ma weyn, si kastana falagiisuu dhex ah.

Ka mid ah dambe oo qaaday Pluto.

Xaaladda cusub

Pluto ayaa sidoo kale tilmaamay inay tahay shay trans-Neptunian. Sida qaar ka mid ah meerayaasha kale cilin, waxaa loola jeedaa in meydadka Belt Kuiper ah. wadadii uu dib u eegis ah xaaladda Pluto keentay in arinta daahfurtay in badan oo ka mid ah waxyaabaha in ay qayb ka fog this nidaamka qoraxda. oo iyaga ku dhex jiray ee ERIS, Pluto waa ka xoogbadan, iyo miisaamidda by 27%. By macquulka ah ee jirkooda oo dhan u baahan in la kala saaraa sida meeraha a. Taasi waa sababta waxaa la go'aamiyay in dib loo eego oo sheeg go'aan ka soo baxay waxyaabaha bannaan sida. Oo waxaa jiray meerayaasha cilin.

tobnaad

"Hoos ku darajo wayn ee" Pluto ma aha oo kaliya. ERIS shirka MAC ee 2006, oo sheegtay inuu yahay "title of" meeraha tobnaad. Waa dahirin Pluto miisaan, laakiin liita isaga ugu size. ERIS la helay sannadkii 2005 by cirbixiyeyaasha American ku lug search for walxaha trans-Neptunian. Asal ahaan waxa la odhan jiray Xenu ama Xena, laakiin ka dib bilaabay in ay isticmaalaan magaca hadda.

ERIS, sida meerayaasha kale cilin nidaamka qoraxda, waxa ay leedahay hoganaya a hydrostatic, laakiin aan awoodin in ay nadiifiso ay kastana falagiisuu dhex hay'adaha kale runtan.

The saddexaad ee liiska

The soo socda ee ugu weyn ka dib markii Pluto iyo ERIS, Makemake waa. Tani waa shay classic of Belt Kuiper ah. sheeko xiiso leh waa magaca jirka this. Sida had iyo jeer, ka dib markii la ogaaday, kii ayaa loo 2005 FY 9 tirada. Muddo dheer, koox ka mid ah cirbixiyeyaasha American kaasoo helay Makemake, waxaa loo bixiyey iyaga dhexdooda, "Easter bakayle" (daahfurka ayaa la dhigay maalmo yar ka dib markii uu fasaxa).

In 2006, marka ay jirto column cusub "meeraha kii cilin ah Nidaamka Solar" ee kala soocidda, waxaa la go'aamiyay in ay soo wac 2005 FY 9 haddii kale. By dhaqan, waxyaalaha classical Kuiper Belt lagu magacaabo Kasoboow Ilaahyaal la xidhiidha abuurista. Maka-Maka - abuuraha aadanaha ee caddooyinka ee Rapa-Nui, deggan asalka ah ee Easter Island.

Haumea

meerayaasha cilin nidaamka qoraxda waxaa ka mid ah mid ka badan oo walxaha trans-Neptunian. Waxaa Haumea. Its feature ugu muhiimsan - wareeg aad u degdeg ah. Haumea dhimaya this ka hor oo dhan walxaha loo yaqaan ballaciisu yahay ee wax ka badan hal boqol oo mitir oo ku jira nidaamka waa. Waxaa ka mid ah meerayaasha cilin shayga ugu weyn afraad.

Ceres

Kale oo jirka dibadda tirsan class this waxa uu ku yaalaa ee ugu weyn ee suunka asteriyoodh, oo ku taala meel u dhaxaysa Galaatiya ee Jupiter iyo Mars. Ceres Tani. Waxay ahayd furan bilowga ah ee 1801. Waayo, wakhtigu waa qaar ka mid ah waxaa loo tixgeliyaa in meeraha buuxa fuliya. Oo 1802, loo aaneeyey inay u Ceres astiriyoodhada. xaaladda jirka runtan waxaa dib loo eegay ee 2006.

meeraha cilin ka dariska weyn inta badan ku kala duwan yihiin awood la'aanta in ay nadiifiso ay idiinna gaar ah ka kale iyo haraaga burburka. Sidee habboon in la isticmaalo hal-abuurnimo this, way adag tahay in hadda dhihi - waqti sheegi doonaa. Ilaa hadda, oo kaliya dood yar yaraadeen ku saabsan Pluto ee xaaladda hoos. Si kastaba ha ahaatee, qiimaha ay caalamka hore sagaalaad oo meydadka la mid ah sayniska weli sare loo eegin sida ay u yeedheen waxaa.

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