Читать книгу Practical Talks by an Astronomer - Harold Jacoby - Страница 4
ILLUSTRATIONS
ОглавлениеThe Moon. First Quarter Photographed by Loewy and Puiseux, February 13, 1894. | Frontispiece |
FACING PAGE | |
Spiral Nebula in Constellation Leo Photographed by Keeler, February 24, 1900. | 26 |
Nebula in Andromeda Photographed by Barnard, November 21, 1892. | 28 |
The "Dumb-Bell" Nebula Photographed by Keeler, July 31, 1899. | 34 |
Star-Field in Constellation Monoceros Photographed by Barnard, February 1, 1894. | 84 |
Solar Corona. Total Eclipse Photographed by Campbell, January 22, 1898; Jeur, India. | 108 |
Forty-Inch Telescope, Yerkes Observatory | 170 |
Yerkes Observatory, University of Chicago | 176 |
PRACTICAL TALKS
BY AN ASTRONOMER