image: This is an image of Text A. This material relates to a paper that appeared in the Jan. 29, 2016 issue of Science, published by AAAS. The paper, by M. Ossendrijver at Excellence Cluster TOPOI in Berlin, Germany, and colleagues was titled, "Ancient Babylonian astronomers calculated Jupiter's position from the area under a time-velocity graph." view more
Credit: Trustees of the British Museum/Mathieu Ossendrijver