Kepler-221 is a G-type star hosting four planets. In this system, planets b, c, and e are in (or near) a 6:3:1 three-body resonance even though the planets’ period ratios […]
K2-138
Posted inExoplanets, -moons, -comets, Status Report, TRAPPIST-1
Tidal Interactions Shape Period Ratios In Planetary Systems With Three-body Resonant Chains
These last years several Systems with Tightly packed Inner Planets in the super-Earth mass regime have been discovered harboring chains of resonances. It is generally believed that planet pairs get […]