Astronomical Problems An Introductory Course In Astronomy
Author: B. A. Vorontsov-Vel'yaminov
Added by: mirtitles
Added Date: 2021-05-29
Subjects: astronomy, problems, solutions, interpolation, celestial sphere, celestial coordinates, culmination, latitude, geographical coordinates, refraction, apparent motion of the sun, time, equation of time, calendar, rising and setting, zenith, precession, celestial globe, planetary movement, planets, parallax, aberration, earth, moon, phases of the moon, eclipses, gravitation, astronomical instruments, methods, comets, meteors, meteorites, stars, double stars, variable stars, novae, universe
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Description
AN IMPORTANT part in the teaching of any technical subject, in
higher educational establishments as well as schools, is experience
in the solution of problems. As well as providing practice in the
methods of computation, it enables the teacher to follow the
students' progress both in comprehension and application of
theory. The literature of astronomy is badly lacking in this respect,
both in quantity and range of topics; and in fact the author is
aware of the existence of only one textbook devoted to exercises
in astronomy. This is "Astronomical Problems" (Astronomicheskii
zadachi), a textbook for young people by Professor N. P. Kamenschikov,
published in 1923.
This textbook is intended for use in universities, teachers'
training colleges, and in school college preparatory or sixth
forms. The syllabus covered by all three types of institution is
much the same, the differences lying in the depth rather than the
field of learning. For this reason the material in each chapter is
divided into two sections. The first section is elementary. The
second section is more difficult, set approximately at the level of
the teachers' training colleges.
In each section the problems are grouped into sub-topics, and
set in order of increasing difficulty. In every chapter the problems
are preceded by a summary of the theory and the formulae to be
exercised, under headings I and II, applying to sections I and II,
respectively. Problems are presented, requiring both exact and
approximate solutions, so that on occasion the same data may be
repeated with varying degrees of accuracy.
We have presented two, and exceptionally three, examples of
the most typical problems, so that the teacher may use one or
more for demonstration, leaving a similar exercise for the student.
vii
Vlll PREFACE
However, the author realizes that students become frustrated if
presented with the same problem, under different formulations
(e.g. Nos. 29 and 30), and the teacher is asked to note that this
occurs in a number of places in the book.
In the preparation of this book, the author used the books
referred to in the first Russian Edition of this work. As many of
the problems are unoriginal, or "natural", the source of a problem
is given only in those cases where the problem seemed unusual.
Many of the problems and exercises were devised by the
author, but only about 300 of these (marked with an asterisk*)
appear to be unique in the literature. Ninety per cent of the
problems borrowed by the author were originally published without
answers.