Records of solar eclipses in Arabic chronicles

Of the many astronomical observations which are recorded in ancient and medieval history, perhaps the most interesting and useful relate to solar eclipses. Obscurations of the Sun are often noticed by the casual observer and may indeed leave a profound impression on him if the degree of obscuration of the Sun is very large. In particular, total solar eclipses are responsible for the onset of sudden and intense darkness, during which the brighter planets and stars may become visible. Hence ancient and medieval accounts of solar eclipses (and to a lesser extent lunar obscurations) are not confined to treatises on astronomy. They also tend to be reported fairly frequently in chronicles and other writings of a historical nature. The only other celestial phenomena regularly to attract widespread attention in ancient and medieval times were comets. However, in chronological studies, eclipses have a distinct advantage over comets. Both solar and lunar obscurations last for only a few hours and their exact date of occurrence can be computed, as well as the time of day (or night) when the event took place. Comets, on the other hand, often remain visible for several weeks and only for Halley's Comet can useful computations of visibility be made

Astronomy · Casual · Physics · Historical and Architectural Studies · Historical Astronomy and Related Studies · History · History and Developments in Astronomy

• Records of lunar eclipses in medieval Arabic chronicles

  Open Access•F Richard Stephenson, Said S Said•Bulletin of the School of…•1997

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