Home›2021 in science›hành tinh Hycean🌐Tiếng ViệtEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیไทย한국어中文日本語EntityQ108308004· pop 26· linked from 301 articleshành tinh HyceanAlso known as hycean worldhot, water-covered planet with a hydrogen-rich atmosphere that may harbor lifeformsWikidata factsImageHyceanplanet.jpgShow 1 more factCommons categoryHycean planetsvia Wikidata · CC0Available in 25 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةCatalanCzechConnectionslist of planet typesEntityouter spaceEntityCategories2021 in science2021 neologismsExtraterrestrial waterHypothetical astronomical objectsTypes of planet