Venus and Earth, the Early Years (IMAGE) Geological Society of America Caption Figure 5 from Hansen is a cross-sectional illustrations of Venus and Earth showing endogenic and exogenic geodynamic processes through time. Credit V.L. Hansen and Lithosphere Usage Restrictions Credit V.L. Hansen and Lithosphere License Licensed content 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.