Zingaki amaplanethi azungeza ilanga?
Iminyaka eminingi izazi zezinkanyezi zathi kwakunamaplanethi angu-9 ayezungeza iLanga. Ngo-2006 iplanethi yesi-9 futhi ekude kakhulu neLanga, iPluto, yehliswa isikhundla isuka ekubeni yiplanethi yaba iplanethi encane. Ngokwezomthetho manje sekunamaplanethi angu-8 neplanethi eyodwa eyi-dwarf ezizungeza iLanga.