Table of contents

A lecture presented in Warsaw on the occasion of the celebration of the hundredth anniversary of the birth of M. Sklodowska-Curie (October, 1967).

CONTENTS 1. Introduction 353 2. Certain Information on the Atmospheric Aerosol 355 3. Theory of Optical Properties of Aerosol 358 4. Optical Methods of Investigating the Atmosphere as Part of the General Problem of Indirect Measurements 362 5. Optical Properties of Aerosol and Microphysics of the Dispersed Phase 365 6. Aerosol Structure of the Atmosphere and Vertical Variation of the Scattering Coefficient 371 Literature 376

Expanded text of a paper delivered on 28 September 1967 at the Session of the Division of General and Applied Physics of the USSR Academy of Sciences.

CONTENTS I. Introduction 424 II. Results of Study of the Solar Supercorona by the "Transmission" Method 425 1. Characteristics of Inhomogeneities Within the Distance Range r = (5–60)R 425 2. Influence of Scattering of Radio Waves in the Solar Supercorona on the Observed Dimensions and Shape of the Discrete Sources of Radio Emission 426 3. Model of Two-component Structure of the Sun's Supercorona 427 III. Study of Interplanetary Plasma by the "Radio Scintillation" Method 428 1. Observations of Interplanetary Scintillators 428 2. Method of Calculating the Electron Densities from Radio-Scintillation Data 429 3. Description of Radio-wave Scattering with the Aid of the Theory of the Phase Screen 430 4. Radioastronomical Observations of Solar Wind 431 5. Interpretation of Experimental Data 431 IV. Nature of the Inhomogeneous Structure of the Near-Solar Plasma 432 Conclusion 433 Cited Literature 434