Planetary Systems (IMAGE) University of Copenhagen - Niels Bohr Institute Caption Exoplanetary systems where the previously known planets are marked with blue dots, while the red dots show the planets predicted by the Titius-Bode law on the composition of planetary systems. 124 planetary systems in the survey -- based on data from the Kepler satellite, fit with this formula. Credit Timothy Bovaird, Australian National University Usage Restrictions (Credit: Timothy Bovaird, Australian National University) 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.