The Periodic Table, Showing Naturally Occurring Elements up to Uranium (image) ARC Centre of Excellence for All Sky Astrophysics in 3D (ASTRO 3D) Share Print E-Mail Caption The Periodic Table, showing naturally occurring elements up to uranium. Shading indicates stellar origin. Credit Content: Chiaki Kobayashi et al Artwork: Sahm Keily Usage Restrictions Image may only be used with appropriate credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.