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Hamlet is the largest crater on the known part of the surface of Uranus' moon Oberon.〔 It has diameter of about 206 km and is named after the title character of the play Hamlet, by William Shakespeare.〔 The crater has a dark floor and is surrounded by a system of bright rays, which are ice ejecta deposited during the impact event. The nature of the dark material on the floor is not known, but it may have erupted from depth. The crater was first imaged by the Voyager 2 spacecraft in January 1986.〔 == References == 〕 〔 〕 〔 〕 }} 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「Hamlet (crater)」の詳細全文を読む スポンサード リンク
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