Photograph of cuneiform script tablet in the British Museum. This tablet recounts observations of Venus and is from the 7th century B.C.E.

Photograph of a cuneiform tablet.

Image of Cuneiform.

Image of CuCuneiform tablet.

A tablet of dark brown clay, much injured, dating from the 8th or 7th century B.C. The two large concentric circles indicate the ocean, or, as it is called in the cuneiform writing between the circles, the 'Briny Flood.' Beyond the ocean...