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・ 233 (number)
・ 233 Asterope
・ 233 BC
・ 233 Spanish Martyrs
・ 233 Squadron
・ 23313 Supokaivanich
・ 23327 Luchernandez
・ 2338 Bokhan
・ 233rd Battalion (Canadiens-Français du Nord-Ouest), CEF
・ 233rd Brigade (United Kingdom)
・ 233rd Reserve Panzer Division (Wehrmacht)
・ 233rd Street (IRT White Plains Road Line)
・ 234
・ 234 (number)
・ 234 AM
234 Barbara
・ 234 BC
・ 2340 Hathor
・ 2345 Grand
・ 2345.com
・ 2349 Kurchenko
・ 234th Battalion (Peel), CEF
・ 234th Infantry Brigade (United Kingdom)
・ 234th Intelligence Squadron
・ 235
・ 235 (number)
・ 235 BC
・ 235 Carolina
・ 235 Van Buren
・ 2357 Phereclos


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234 Barbara : ウィキペディア英語版
234 Barbara

234 Barbara is a main belt asteroid that was discovered by German-American astronomer Christian Heinrich Friedrich Peters on August 12, 1883 in Clinton, New York. It is classified as a stony S-type asteroid based upon its spectrum. The mean diameter is estimated as 45.6 km.〔
Polarimetric study of this asteroid reveals anomalous properties that suggests the regolith consists of a mixture of low and high albedo material. This may have been caused by fragmentation of an asteroid substrate with the spectral properties of CO3/CV3 carbonaceous chondrites.〔
In 2009, it was discovered that 234 Barbara might be a double asteroid.〔http://www.astronews.com/news/artikel/2009/02/0902-006.shtml (in German)〕
==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「234 Barbara」の詳細全文を読む



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