The growth of these smaller planetesimals is stalled at this point , freezing their size distribution near that of the current asteroid belt .
These embryos stir the smaller planetesimals , increasing their inclinations , causing them to leave the pebble disk .
The growth of these smaller planetesimals is stalled at this point , freezing planetesimals ' size distribution near that of the current asteroid belt .
These embryos stir the smaller planetesimals , increasing their inclinations , causing them to leave the pebble disk .