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60 Echo
60 Echo is a quite large main-belt S-type asteroid. It was discovered by James Ferguson of the United States Naval Observatory in Washington D.C., on September 14, 1860. It was his third and final asteroid discovery. It is named after Echo, a nymph in Greek mythology. James Ferguson had initially named it "Titania" not realizing it was already used for a satellite of Uranus. Echo has been studied by radar.〔(【引用サイトリンク】publisher=NASA/JPL Asteroid Radar Research )〕 ==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「60 Echo」の詳細全文を読む
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