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298 Baptistina : ウィキペディア英語版 | 298 Baptistina
298 Baptistina is an asteroid orbiting in the asteroid belt. It is the namesake of the Baptistina family. It was discovered on September 9, 1890, by Auguste Charlois of Nice. The source of its name is unknown.〔Lutz D. Schmadel, ''(Dictionary of Minor Planet Names'', p.41 ).〕 It measures somewhere around in diameter. Although it has an orbit similar to the Flora family asteroids, Baptistina is an unrelated interloper.〔M. Florczak et al. ''A Visible Spectroscopic Survey of the Flora Clan'', Icarus Vol. 133, p. 233 (1998)〕 It was once considered a possible source of the impactor that caused the extinction of the dinosaurs, a possibility ruled out by the Wide-field Infrared Survey Explorer in 2011. ''(See Baptistina family.)'' ==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「298 Baptistina」の詳細全文を読む
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