Title: Astronomy by observation : an elementary text-book for high-schools and academies /
Authors: Bowen, Eliza A.
Publisher: American Book Co.,
Year: 1890
Subjects: Astronomy; Astronomy; Astronomy Textbooks
Contents: 1. Facts necessary to know before beginning observation -- 2. The diurnal motion of the stars -- How to observe it -- How to interpret it -- The celestial sphere -- The equinoctial and horizon systems of circles -- 3. The annual motion of the stars, and how to observe it -- The annual motion of the sun, and how to observe it -- The connection and interpretation of these motions -- 4. The inequality of days and nights observed and interpreted -- The change of seasons observed and interpreted -- Unequal motions of sun and earth -- Precession of the equinoxes -- Time -- 5. The moon and her motions -- How to observe them -- How to interpret them -- Eclipses -- 6. The planets and their motions -- How to observe them -- How to interpret them -- 7. The attraction of gravitation -- The mathematical measurement of a physical force -- Copernicus and the solar theory -- Tycho Brahe's work -- Kepler's laws -- Newton and the solar theory -- Celestial measurements described -- 8. The sun -- His apparent and real magnitudes -- His volume, density, light, heat, etc. -- The sun, the spectroscope, and the telescope -- The photosphere -- The chromosphere -- The corona -- 9. The planets -- Their figures, volumes, densities, orbits, revolutions, distances, moons, etc. -- The planets and the moon, with the spectroscope and telescope -- Their physical constitution -- Meteoroids and comets -- The zodiacal light -- 11. The heavens beyond the solar system -- Appendices: A. Account of the constellations, alphabetically arranged for reference -- B. The telescope -- C. Observation of meteors and comets.