N'okpuru nke a, ha bụ "ice", ya bụ na ha nwere mmiri, methane, na amonia. E nwekwara ụfọdụ nkume na gas, mana oke nke ice<unk>rock<unk>gas nwere ike i imitateomi ice dị ọcha, nke mere na a maghị oke oke. Uranus na Neptune nwere akwa ikuku ikuku na obere methane, na-enye ha agba aquamarine; ìhè na-acha anụnụ anụnụ na ultramarine. Ha abụọ nwere mpaghara magnetik nke na-agbanye ọkụ na axes ha nke ntụgharị. Ajụjụ: Gịnị ka Uranus na Neptune nwere?
magnetik ubi na-ukwuu inclined ka ha axes nke adiana