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A total solar eclipse occurred on August 18, 1868. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A total solar eclipse occurs when the Moon's apparent diameter is larger than the Sun's, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across Earth's surface, with the partial solar eclipse visible over a surrounding region thousands of kilometres wide. == Observations == Solar eclipse 1868Aug18-Bullock.png|Bullock sketch of the eclipse, ''Total Eclipses of the Sun'', 1900. Sketches of the total solar eclipse, 1868 (19745966082).jpg|M. Stephan sketches of the eclipse, ''Archives des missions scientifiques et littéraires'', 1868. Map of the solar eclipse of August 18, 1868 (19757912091).jpg|Map of the forecast path of the total eclipse, ''Archives des missions scientifiques et littéraires'', 1868. Captain Bullock observed from the Celebes sea, sketching the appearance of the corona,〔(The Indian eclipse, 1898 ) Report of the expeditions organized by the British ... By Edward Walter Maunder, British Astronomical Association〕 while Gustav Fritsch accompanied an expedition to Aden.〔''Standard Encyclopaedia of Southern Africa''〕 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「Solar eclipse of August 18, 1868」の詳細全文を読む スポンサード リンク
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