Cherechedza ndima iri pasi apa uye wozopindura mubvunzo pashure mumutauro mumwe chete sezvinoita ndima: Passage: Ice hofori vane zvakasiyana chaizvo mukati anoumba kubva gasi hofori. The Solar System kuti chando hofori, Uranus uye Neptune, vane hydrogen-mukuru mhepo kuti kunosvika kubva gore misoro pasi kusvika 80% (Uranus) kana 85% (Neptune) pamusoro nharaunda yavo. Pazasi ichi, ivo vari kunyanya "chando", i.e. inoumbwa kunyanya mvura, methane, uye ammonia. Panewo mamwe ibwe negasi, asi siyana migove chando <unk>rock <unk>gas aigona kutevedzera yakachena chando, saka kuti chaiyo migove hazvizivikanwi. Uranus uye Neptune vane hazy chaizvo mumhepo akaturikidzana vane zviduku uwandu methane, achivapa aquamarine mavara; chiedza yebhuruu uye ultramarine zvichiteerana.
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