Planets Fall into Resonance Over Time (VIDEO) Penn State This video is under embargo. Please login to access this video. Caption The bottom plot is the same as before. The top shows the strength of the force that the gas disc exerts on the planets. Darker blue means that the planet is pushed inward faster. Inside the black line, planets are actually pushed outward. Credit Penn State Usage Restrictions None 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.