%0 Journal Article %A Ruiz PĂ©rez, Javier %T Onset of convection, heat flowand thickness of the Europa's Ice Shell %D 1999 %@ 0167-9295 %U https://hdl.handle.net/20.500.14352/56765 %X The observational evidence given by Galileo spacecraft about Europa supports an icyrigid layer of several kilometers over another ductile layer of ice in convection, which floats over aninternal ocean of liquid water. Before the onset of convection, heat is transmitted into the crust byconduction. The heat flow analysis in the potentially convective layer gives values higher than thoseobtained previously by tidal dissipation models, and suggests that the ice may be limited to a thinlayer of 4 km total thickness. %~