1. INTRODUCTION

2. THE SAMPLE

3. PLANETS IN THE SAME SYSTEM HAVE SIMILAR SIZES

4. PLANETS IN THE SAME SYSTEM HAVE SIMILAR SPACINGS

5. PHYSICAL UNDERPINNINGS
5.1. Planets are 20 Mutual Hill Radii Apart
5.2. Temperature difference correlates with planet size

6. SUMMARY AND DISCUSSION
6.1. In situ formation
6.2. Disk Migration
6.3. Kepler and the Solar System
6.4. The future