> Why would you expect tidal lock in the cases of these three planets with their sun? Mercury have a nearly tidal lock (A Mercury day takes two Mercury years!)

> Why would you expect tidal lock in the cases of these three planets with their sun? Mercury have a nearly tidal lock (A Mercury day takes two Mercury years!). This planets are more near to his star that Mercury, so the tidal forces are more stronger. Give time and these planets will be tidal locked to his star (and they had at least a billon years). The question is if They are now locked.