目次

POSTITIONAL ASTRONOMY. The Coordinates of a Star. Atmospheric Refraction. Apparent Motions. Proper Motion: Star and Artificial Satellites. Stellar Positions. THE SUN AND THE SOLAR SYSTEM. Distances and Motions. Shapes and Sizes. Masses. Luminosity––Temperature––Chemical Composition. Age. THE STAR. Radiation––Luminosity––Temperature. Sizes––Rotation––Magnetic Fields. Masses. Distances. Stars and the Galaxy. Ages. GALAXIES. Shapes and Spectra. Distances. Masses. Clusters of Galaxies––Quasars––Cosmology. Index.