Abstract: The value of the solar constant indicated by 30 years of observation by the Smithsonian Institution is revised in the light of the scale correction announced in 1952 and new solar spectral-irradiance data for outside the ...

Abstract: Data from Mariner 5, the Soviet planetary probe Venera 4, and recent ground-based measurements have provided much new information and permitted a great step forward in our knowledge of Venus. Although the data from the ...

Abstract: There is much evidence that both large-scale circulation and turbulence are important transport mechanisms in the upper atmosphere. There is considerable evidence both from direct observation of tracers and from the thermal ...