News Slowing of Earth’s Spin Revealed in Ancient Astronomers’ Tablets By kannavida Posted on December 7, 2016 Share Tweet Share Share Email Comments READ MORE view source Records dating back to clay tablets from 720 B.C. reveal that the slowing of the Earth’s rotation isn’t as large as expected. Related Items: Share Tweet Share Share Email Click to comment Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.