Table of Contents: “...I. Results from Faraday and Dispersive — Doppler effect measurements -- II. The use of the US Navy Navigation Satellite System (NNSS) for the determination of the ionospheric electron content up to the height of 1100 km -- III. Medium to high latitude...”

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Table of Contents: “... Vapor Absorption -- The spectroscopic search for water on Mars: A history -- The latitude variation of water vapor on Mars -- A report on Martian atmospheric water vapor near opposition, 1969 -- High altitude interferometer spectra of Mars -- Mars: Occurrence...”

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Table of Contents: “... Latitude Summer Mesosphere and Lower Thermosphere -- Photochemistry and the Escape Efficiency of Terrestrial Hydrogen -- On the Introduction of Transport Processes into Meso-spheric Models -- Dynamical Modelling of the Stratosphere and Mesosphere -- Tides...”

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Table of Contents: “... Geometry and Motion of the Electron Aurora -- 2.7 Latitude Variations in Auroral Heights -- References -- 3 The Proton Aurora -- 3.1 Introduction -- 3.2 Theory of Hydrogen Line Emission -- 3.3 Observations on Hydrogen Lines -- References -- 4 The Optical...”

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Table of Contents: “... Spectrum of Pc 1’s -- 4.3 The Cyclotron Instability Process and the Generation of Pc 1’s -- 4.4 Sub Classes of Pc 1’s-Non Linear Theories -- 4.5 Propagation of Pc 1’s to Lower Latitudes -- References -- 5 Theories of Pc 2–5 and Pi Oscillations -- 5.1...”

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Table of Contents: “.... Rate of ejection of gaseous matter by Wolf-Rayet stars -- 8. Former nuclei of planetary nebulae -- 9. Hot stars at high Galactic latitudes -- 10. Humason-Zwicky objects -- 11. The origin of diffuse nebulae -- 12. The cosmogonic significance of planetary...”

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Table of Contents: “... by two different methods in different galactic latitudes -- 43. The galactic distribution of young Cepheids -- 44. A progress report on the Carina spiral feature -- 45. The space distribution of the OB-type stars in Carina -- 46. Photometric investigation...”

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Table of Contents: “... -- 036 Photographic Auxiliaries -- Positional Astronomy. Celestial Mechanics -- 041 Positional Astronomy, Star Catalogues and Atlases -- 042 Celestial Mechanics -- 043 Astronomical Constants -- 044 Time, Rotation of the Earth -- 045 Latitude Determination...”

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Table of Contents: “...I Classical Astronomy -- 1. Stars and Men: Observing and Thinking. Historical Introduction to Classical Astronomy -- 2. Celestial Sphere: Astronomical Coordinates: Geographic Latitude and Longitude -- 3. Motion of the Earth: Seasons and the Zodiac: Day...”

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Table of Contents: “... -- Penetration of Auroral Electrons into the Atmosphere -- Energy Transfer to and through Ionospheric Electrons -- Magnetospheric and High Latitude Ionospheric Disturbance Phenomena -- Particle Dynamics at the Synchronous Orbit -- Shock and Magnetopause Boundary...”

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Table of Contents: “... and Solar Wind -- 10. The Solar Magnetic Field and the Solar Activity -- II /Interplanetary Medium -- 11. Interplanetary Medium -- 12. Introduction to Plasma Physics -- 13. Interplanetary Plasma -- III /Ionosphere and High Latitude Phenomena -- 14. Radio Aurora...”

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