Note 16 — A General Comparison of the Demonstration with the Facts of Geology.

Astronomers agree that there must exist upon Jupiter a high degree of heat, and yet no refinement of thermometric determinations can detect any more heat from the Jovian surface than should be reflected from the sun.—See Young’s General Astronomy, page 353; also History of Astronomy During the Nineteenth Century. Clerke, pp. 335-338.