. The Adolfo Stahl lectures in astronomy, delivered in San Francisco, California, in 1916-17 and 1917-18, under the auspices of the Astronomical Society of the Pacific. PLATE II. Drawings of Jupiter by James E. Keeler. Upper: 1889, July 10^ 10 2™ P. S. : 1890. Aug. 30^ 11 9™ P. S. T. The Solar Svstk\[ 5 motion amid be caused by the attractions of an undiscoveredplanet farther from the Sun than itself. They computed theposition of the undiscovered planet. Adams tried to enlist theservices of the greatest telescopes in England to discover thebody, but his advice and requests were neglecte
. The Adolfo Stahl lectures in astronomy, delivered in San Francisco, California, in 1916-17 and 1917-18, under the auspices of the Astronomical Society of the Pacific. PLATE II. Drawings of Jupiter by James E. Keeler. Upper: 1889, July 10^ 10 2™ P. S. : 1890. Aug. 30^ 11 9™ P. S. T. The Solar Svstk\[ 5 motion amid be caused by the attractions of an undiscoveredplanet farther from the Sun than itself. They computed theposition of the undiscovered planet. Adams tried to enlist theservices of the greatest telescopes in England to discover thebody, but his advice and requests were neglected. It isespeciallv appropriate in these days of war between the nationsto note this illustration of the international character ofastronomical research: Leverrier of Paris recjuested Astrono-mer Galle of Berlin to search for the new planet, with thelargest telescope on the continent. Galle found the planet onthe tirst night of the search, almost exactly where Leverriersaid it would be. Neptune is a little over four times the Earthin diameter, and he requires 165 years to travel through hisorbit. He has gone less than half-way around the Sun sincehis discover
Size: 1578px × 1583px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectastronomy, bookyear19
