Saturn
I-ringed giant, iplanethi encinci kakhulu: umlinganiselo wayo wobunzima bezinto eziphilayo uphantsi kunamanzi.
NASA, ESA, A. Simon (Goddard Space Flight Center), and M.H. Wong (University of California, Berkeley) (CC BY 4.0)
Isibane esikhulu ngokwaneleyo sokuhamba emanzini, ukuba ungafumana i-bathtub enkulu ngokwaneleyo, egqoke iziqwenga ezimangalisayo kwinkqubo yelanga.

ISaturn yi-gas giant eyenziwe kakhulu nge-hydrogen ne-helium. Iiringi zayo ezikhanyayo ziyenziwe ngeenxalenye ezingalinganiswanga zomkhenkce wamanzi kunye nelitye, ukusuka kwiinkuni zothuli ukuya kwiibhotwe; ziyizigidi zamawaka eekhilomitha ububanzi kodwa uninzi lwazo kuphela iimitha ezilishumi elinesibhozo ubunzulu.
Izinga lobunzima bendawo, malunga ne-0.69 g/cm³, liphantsi kunelo lamanzi. Inyanga yayo enkulu, iTitan, ine-atmosphere eqinileyo, kwaye iinyanga ezincinci zeEnceladus zityhila umkhenkce wamanzi ukusuka kumlambo ophantsi komhlaba.
Iiplanethi
Iindawo zokugcina i-data
Izixhobo kunye neengcebiso zisebenzisa iimodeli ezilula zokufunda kuphela. Akufanele zisetyenziswe ukuqhuba, ucwangciso lwemikhosi okanye nayiphi na intlawulo yokusebenza. Iziqinisekiso azihlawulwanga kwaye azigunyaziswanga. Funda uxanduva lokungasebenzisi imixholo yoqeqesho