Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. 139 Juewa is a very large and dark main belt asteroid. It is probably composed of primitive carbonaceous material. It was the first asteroid discovered from China. Juewa was discovered from Beijing by the visiting American astronomer James Craig Watson on October 10, 1874; Watson was in China to observe the transit of Venus. Watson asked Prince Gong to name the asteroid. Gong's choice was, "Star of China s Fortune". Watson used only the first character, transliterating it as Juewa according to the conventions of his time.
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