The Solar System: A Study of Recent ObservationsG.P. Putnam's sons, 1908 - 310 páginas |
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Términos y frases comunes
absorbed absorption amount of heat aphelion appear astronomers atmosphere attraction average axis body bright brilliant calories canals cause centre changes comet craters curve dark density determined diameter disc distance earth earth's surface eclipse edge energy equator equatorial extremely feet gases globe gravitation greater heliometer Herschel inch inferior conjunction irregular Jupiter known latitude lifting force light lines Lowell LOWELL OBSERVATORY lunar markings Mars Martian mass measures Mercury meteors methods million miles minute moon moon's motion mountain moving nearly nebula Neptune Newcomb observations ocean orbit particles pass path pendulum perihelion period photographs planet polar portions position radiation rays recognised revolve ring rotation satellites Saturn seen sidereal period solar parallax solar system spectrum speed spots stars sun-spot sun's synodic period telescope temperature theory tidal friction tides tion to-day transit Uranus varies velocity Venus visible water vapour wave
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Página 235 - They have likewise discovered two lesser stars, or satellites, which revolve about Mars; whereof the innermost is distant from the centre of the primary planet exactly three of his diameters, and the outermost, five; the former revolves in the space of ten hours, and the latter in twenty-one and a half...
Página 139 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Página 287 - Professor Brinton his shown in this volume an intimate and appreciative knowledge of all the important anthropological theories. No one seems to have been better acquainted with the very great body of facts represented by these sciences.
Página 285 - FRS, in Great Britain. Each volume of the series will treat some department of science with reference to the most recent advances, and will be contributed by an author of acknowledged authority. Every effort will be made to maintain the standard set by the first volumes, until the series shall represent the more important aspects of contemporary science. The advance of science has been so rapid, and its place in modern life has become so dominant, that it is needful to revise continually the statement...
Página 287 - The Basis of Social Relations. A Study in Ethnic Psychology. By DANIEL G. BRINTON, AM, MD, LL.D., Sc.D., Late Professor of American Archaeology and Linguistics in the University of Pennsylvania ; Author of " History of Primitive Religions," "Races and Peoples," " The American Race,
Página 144 - Every particle of matter attracts every other particle with a force proportional to the product of their masses, and inversely proportional to the square of the distance between them.
Página 286 - Springfield Republican. 6. — Bacteria : Especially as they are related to the economy of nature, to industrial processes, and to the public health. By GEORGE NEWMAN, MD, FRS (Edin.), DPH (Camb.), etc., Demonstrator of Bacteriology in King's College, London. With 24 micro-photographs of actual organisms and over 70 other illustrations. 8°, $2.00.
Página 286 - A timely and useful volume. . , . The author wields a pleasing pen and knows how to make the subject attractive. . . . The work is calculated to spread among its readers an attraction to the science of anthropology. The author's observations are exceedingly genuine and his descriptions are vivid.
Página 287 - Timet. 8. — Comparative Physiology of the Brain and Comparative Psychology. With special reference to the Invertebrates. By JACQUES LOEB, MD, Professor of Physiology in the University of Chicago. Illustrated. 8°. $1.75. " No student of this most interesting...
Página 286 - Earth Sculpture ; or, The Origin of Land-Forms. By JAMES GEIKIE, LL.D., DCL, FRS, etc., Murchison Professor of Geology and Mineralogy in the University of Edinburgh ; author of " The Great Ice Age,