Frederick I. Ordway's Advances in space science and technology. Volume 4 PDF

By Frederick I. Ordway

ISBN-10: 1483199622

ISBN-13: 9781483199627

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Extra info for Advances in space science and technology. Volume 4

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This application supposes either that the crew of an artificial planet would monitor transmissions from Earth in order to navigate or that Earth-based receivers would monitor a spaceborne transmitter. In both cases it is assumed that frequency stability at both ends is of the order of 10~9 and that a computer is available for best fit calculations. C. Scientific Applications 1. IONOSPHERE TOTAL ELECTRON CONTENTS, SINGLE FREQUENCY METHOD Several procedures have been suggested for utilizing signals from an artificial satellite to study the ionosphere between satellite and Earth, especially those regions of the ionosphere above the altitude of maximum electron concentration (above about 300 km) which are inaccessible to the usual Earth-based soundings.

105 107 110 I. Introduction Speculation concerning the existence of extraterrestrial life, and even extraterrestrial intelligence, has always intrigued a small segment of the scientific community. However, only in the last few years has this type of speculation taken on an almost practical meaning. The rapid development 39 40 ROGER A. MACGOWAN of astronautics and radio astronomy on the one hand and a deeper understanding of biological processes on the other have helped introduce a distinct sense of urgency into the subject of life on other worlds, in direct contrast to the semiphilosophical, semisçientific musings characteristic of the past.

The material in each vortex would revolve in a direction opposite to that of the revolution of the disk. The radii of the boundry regions between rings would follow a rule similar to Bode's Law. The condensation of particles and heavier atomic nuclei would tend to occur in the concentric circles representing the boundary regions between the rings, and the rings of vortices would revolve in the same direction as the disk. Condensations FIG. 1. Von Weizsäckers theory of planetary origin involves a rotating disk of fine matter, which is shown here from the north, as it rotates in a counterclockwise direction.

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Advances in space science and technology. Volume 4 by Frederick I. Ordway


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