Chapter 13

PLANETS AND SATELLITES

Schroeter's Life and Work--Luminous Appearances during Transits of Mercury--Mountains of Mercury--Intra-Mercurian Planets--Schiaparelli's Results for the Rotation of Mercury and Venus--Illusory Satellite--Mountains and Atmosphere of Venus--Ashen Light--Solidity of the Earth--Variation of Latitude--Secular Changes of Climate--Figure of the Globe--Study of the Moon's Surface--Lunar Atmosphere--New Craters--Thermal Energy of Moonlight--Tidal Friction 243