Gemisch

電腦崩盤,藉他人之一用。1314日終於在購書中心發現並買到了我等了3年之久的著名人物Sir Thomas Heath的著名書籍:《The Works of Archimedes》和《A History of Greek Mathematics》!!!激動了許久~~目前正刻苦研究著……真是相當佩服古希臘人的智慧……例如Archimedes求抛物線弓形面積方法之一是利用杠杆原理——數學問題物理化——雖然我老早就知道了,但是最近又被“洗禮”一番……現在我依然在苦等著Heath爵士的另二名作《Aristarchus of Samos》及《Greek Astronomy》…… 

  另外78日淩晨0030~0300對彗星C/2006 VZ13 (LINEAR)進行了觀測並繪圖。結果如下:

OBS-V C/2006 VZ13 (LINEAR):

2007 July 07.75, ml=7.6, Dia.=6’, DC=4… (10.0cm-refractor, f/7, 28x; W.-t. Xu, Guangzhou; City light pollution but clear sky;)

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Gemisch

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