Ingabe iPluto iyiplanethi?
Isimo sikaPluto siyisihloko sokuphikisana okukhulu phakathi kososayensi bezinkanyezi. Ngemva kokutholakala kwayo, ekuqaleni iPluto yahlukaniswa njengeplanethi yesishiyagalolunye yohlelo lwelanga. Nokho, ngo-2006, i-International Astronomical Union (IAU) yakhipha incazelo yamaplanethi asesimisweni sonozungezilanga okwaholela ekuhlukanisweni kabusha kwePluto njenge "planethi encane".  Ngokwalokhu kuchazwa, iplanethi yinoma yimuphi umzimba wasezulwini: - lizungeza ilanga, - inesisindo esanele sokuthatha ukuma kokulinganisela kwe-hydrostatic (cishe eyindilinga), - yasusa noma yiziphi ezinye izinto ezilinganayo eduze komzila wayo ozungeze iLanga.  I-Pluto ayizange ihlangabezane nalezi zimfuneko zokugcina.