Kepler-9b and 9c are thought to have formed at a greater distance from their star, beyond the "frost line", and then migrated inward due to interaction with the remains of the protoplanetary disk.
They are then thought to have migrated inward due to interactions with the remains of the protoplanetary disk. Kepler-9b and 9c are thought to have formed beyond the "frost line".
Kepler-9b and 9c are thought to have formed beyond the "frost line". They are then thought to have migrated inward due to interactions with the remains of the protoplanetary disk.
Kepler-9b and 9c are thought to have formed beyond the "frost line". They are then thought to have migrated inward due to interactions with the remains of the protoplanetary disk.