Subject (ZB): “...Observations, Astronomical....”

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Subject (ZB): “...Observations, Astronomical....”

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Subject (ZB): “...Observations, Astronomical....”

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Table of Contents: “...1. Introduction -- 1.1 The Role of Astronomy -- 1.2 Astronomical Objects of Research -- 1.3 The Scale of the Universe -- 2. Spherical Astronomy -- 2.1 Spherical Trigonometry -- 2.2 The Earth -- 2.3 The Celestial Sphere -- 2.4 The Horizontal System -- 2.5...”

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