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Telisto (hypothetical planet) : ウィキペディア英語版 | Telisto (hypothetical planet) Telisto is a hypothetical trans-Neptunian object of planetary size,〔 〕 variously dubbed over the years as Planet X and Tyche.〔 〕 If it exists, it is probably responsible for the unusual orbits of the sednoids and detached objects. ==History==
Originally, it was suspected that a brown dwarf called Nemesis was responsible for the unusual orbits. After that was ruled out, a gas giant called Tyche became the primary hypothesis. However, that too was ruled out in 2014 after a WISE survey.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Telisto (hypothetical planet)」の詳細全文を読む
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