The Planetary and Stellar Worlds: A Popular Exposition of the Great Discoveries and Theories of Modern AstronomyOakley & Mason, 1866 - 326 páginas |
Dentro del libro
Resultados 1-5 de 53
Página viii
... known to Mr. Longworth the pros- pects and wants of the Astronomical Society , the writer was directed by him to select four acres on the hill - top , out of a tract of some twenty five acres , and to proceed at once to en- close it ...
... known to Mr. Longworth the pros- pects and wants of the Astronomical Society , the writer was directed by him to select four acres on the hill - top , out of a tract of some twenty five acres , and to proceed at once to en- close it ...
Página 28
... known , the same chain of observations revealed the remarkable fact , that the periods of revolution of the planets , though differing for each one of the group , were identical for any one indi- vidual , and moreover , that a simple ...
... known , the same chain of observations revealed the remarkable fact , that the periods of revolution of the planets , though differing for each one of the group , were identical for any one indi- vidual , and moreover , that a simple ...
Página 31
... known . Then is undertaken the grand problem of perturbations . The telescope re- veals the fact that slow and mysterious changes are going on in the mean motions of the moon , in the figure of the planetary orbits , and in the relative ...
... known . Then is undertaken the grand problem of perturbations . The telescope re- veals the fact that slow and mysterious changes are going on in the mean motions of the moon , in the figure of the planetary orbits , and in the relative ...
Página 36
... known . We stand on the dim confines of the unknown . All behind us is clear and bright and perfect , all before us is shrouded in gloom and dark- ness and doubt . Yet the twilight of the known flings its feeble light into the domain of ...
... known . We stand on the dim confines of the unknown . All behind us is clear and bright and perfect , all before us is shrouded in gloom and dark- ness and doubt . Yet the twilight of the known flings its feeble light into the domain of ...
Página 39
... known . If human genius is not to be baffled either by dis tance or time , numbers shall overwhelm it , and the stars shall find their safety in their innumerable mil- lions . This retreat may even fail . The watch - towers of science ...
... known . If human genius is not to be baffled either by dis tance or time , numbers shall overwhelm it , and the stars shall find their safety in their innumerable mil- lions . This retreat may even fail . The watch - towers of science ...
Contenido
17 | |
25 | |
35 | |
41 | |
49 | |
55 | |
68 | |
69 | |
155 | |
161 | |
167 | |
181 | |
193 | |
203 | |
223 | |
238 | |
78 | |
99 | |
105 | |
113 | |
128 | |
133 | |
146 | |
244 | |
252 | |
273 | |
289 | |
295 | |
311 | |
324 | |
Otras ediciones - Ver todas
Términos y frases comunes
accomplished actually ages appear astronomer attention axis beautiful became become body cause central centre circle close comet coming commenced computed curve detected determined diameter direction discovered discovery distance earth eclipse effect efforts entire equal equator examination existence fact fall figure finally fixed stars force give given grand gravitation heavens human hundred impossible increase influence Jupiter known less light limits magnitude marked mass matter mean measure mighty miles millions mind moon moon's motion move movements nature nearly never night object observation obtained once orbit pass period planet planetary position possible precisely present problem produced question reached reasoning region remain remarkable revealed revolution revolving round satellites seen single slowly solar space success sun's sweeping telescope theory thousand tion true truth unit universe vast watch wonderful