@MF: The relatively recent theories of convective motion within the molten Earth might account for observed temperature variations and heat loss through the surface. (judithcurry.com)
The relatively recent theories of convective motion within the molten Earth might account for observed temperature variations and heat loss through the surface. (judithcurry.com)
1964 Dave Fultz, et al., «Experimental Investigations of the Spectrum of Thermal Convective Motions in a Rotating Annulus». (history.aip.org)