{"success":true,"type":"rich","version":"1.0","cache_age":86400,"width":440,"height":500,"provider_name":"RiffReporter","provider_url":"https:\/\/www.riffreporter.de","safety":"nonadult","asset_type":"article","url":"https:\/\/www.riffreporter.de\/de\/wissen\/uranus-neptun-gesteinsriesen-planetenforschung-sonnensystem","category":"Wissen","author_name":"Patrick Klapetz","author_url":"https:\/\/www.riffreporter.de\/de\/autorinnen-und-autoren\/patrick-klapetz","title":"Uranus und Neptun: Neue Erkenntnisse zum Planetenaufbau","summary":"Forschende stellen bisherige Annahmen \u00fcber die Zusammensetzung von Uranus und Neptun in Frage. Sind die Eisriesen in Wahrheit Gesteinsriesen?","publication_date":"29.12.2025","thumbnail_url":"https:\/\/riff.media\/images\/nasa-aufnahme-uranus-neptun-sonnensystem.jpg?w=440&h=247&fit=crop-50-50&s=83c546b003ad2a4a307893c836684b69","thumbnail_width":440,"thumbnail_height":247,"thumbnail_credit":null,"thumbnail_credit_url":null,"thumbnail_credit_note":null,"html":"