автор: C. de Jager

In this volume we compare modem observations of solar flares with results from recent theoretical research and simulation studies on current-carrying loops and their interaction. These topics have un …

This book was conceived to commemorate the continuing success of the guest observer program for the International Ultraviolet Explorer (IUE) satellite observatory. It is also hoped that this volume w …

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No part of the Hertzsprung-Russell diagram shows a more pronounced diversity of stellar types than the upper part, which contains the most luminous stars. Can one visualize a larger difference than b …

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This volume contains the fifteenth tri-annual reports of the Presidents of the forty Commissions of the International Astronomical Union; it refers to the progress in our discipline during the three …

After the same pattern as the XIII th General Assembly of the International Astronom- ical Union the present Volume of the Highlights in Astronomy contains the texts of the invited discourses given a …

The changing character of the IAU General Assemblies becomes most clear from a comparison of the agenda of the Brighton meeting with that of one of the earlier meetings. The fourth General Assembly ( …

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From 17 to 21 April 1967 a Study Week was held in the hotel ‘De Bilderberg’ near Arnhem, Holland, with the purpose to establish a new, and if possible, generally acceptable working model for the quie …

A good deal of our information on solar physics and on solar phenomena is derived from the solar spectrum. A quantitative interpretation of this spectrum was only possible after 1920, after the estab …

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