Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Njem: Titan bụ ọnwa nke isii nke Saturn nke nwere ike ịdọrọ ya. A na-akọwakarị ya dị ka ọnwa yiri mbara ala, Titan ji pasent 50 buru ibu karịa ọnwa nke ụwa na pasent 80 buru ibu karịa ya. Ọ bụ ọnwa nke abụọ kachasị ukwuu na Solar System mgbe ọnwa Jupiter bụ Ganymede, ma buru ibu karịa mbara ala Mercury, mana naanị 40% dị ka oke. Onye na-enyocha mbara igwe Dutch bụ Christiaan Huygens chọpụtara na 1655, Titan bụ ọnwa mbụ a maara nke Saturn, na nke isii a maara satellite mbara ala (mgbe ọnwa nke ụwa na ọnwa anọ nke Galileo nke Jupiter). Titan na-agba Saturn gburugburu na radii 20 nke Saturn. Site n'elu Titan, Saturn na-agbatị oghere ya ruo ogo 5.09 ma yie ka o ji okpukpu 11.4 buru ibu n'eluigwe karịa Ọnwa site n'Ụwa.  Ajụjụ: Gịnị bụ aha ọnwa yiri mbara ụwa nke buru ibu karịa ọnwa nke ụwa
Titan