Solar and planetary dynamos: comparison and recent developments

While obviously having a, common root, solar and planetary dynamo theory have taken increasingly divergent routes in the last two or three decades, and there are probably few experts now who can claim to be equally versed in both. Characteristically, even in the, fine and comprehensive book "The magnetic Universe" (Rildiger &, Hollerbach 2004), Hie chapters oil planets and on the Sun were written by different authors. Separate reviews written oil die, two topics include Petrovay (2000), Charbonneau (2005), Choudhuri (2008) oil the solar dynamo and Glatzmaier (2002), Stevenson (2003) oil the planetary dynamo. In the following I will try to make a, systematic comparison between solar and planetary dynamos, presenting analogies and difference, and highlighting some interesting recent, results.