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Null Island
Null Island is a fictional island in the Gulf of Guinea added to the Natural Earth public domain map dataset, located where the equator crosses the prime meridian, at coordinates .〔(【引用サイトリンク】title=Null Island )〕〔(【引用サイトリンク】title=Natural Earth version 1.3 release notes )〕 Natural Earth describes the entity as a "1 meter square island" with "scale rank 100, indicating it should never be shown in mapping."〔 Although intended humorously, the fiction has a serious purpose and is used by mapping systems to trap errors.〔 In reality, a weather observation buoy, part of the PIRATA system, is moored at the supposed location of the island.〔(【引用サイトリンク】website=National Data Buoy Center )〕 == 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「Null Island」の詳細全文を読む
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