The Planetary and Stellar Worlds: A Popular Exposition of the Great Discoveries and Theories of Modern AstronomyOakley & Mason, 1866 - 326 páginas |
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Página xiii
... moving star discovered , 50. Periods of the planets deter- mined , 53. The sun's apparent motion the subject of perplexity , 55. The equinoxes and solstices , 56. Inequality in the sun's motion detected , 57. The construction of the ...
... moving star discovered , 50. Periods of the planets deter- mined , 53. The sun's apparent motion the subject of perplexity , 55. The equinoxes and solstices , 56. Inequality in the sun's motion detected , 57. The construction of the ...
Página xvi
... moving , 306. Struve's investigation for the quantity of angular motion of the system , as seen from stars of the first magnitude , 308. His father's research for the relative distances of stars of different magnitudes , 310. Peters's ...
... moving , 306. Struve's investigation for the quantity of angular motion of the system , as seen from stars of the first magnitude , 308. His father's research for the relative distances of stars of different magnitudes , 310. Peters's ...
Página 23
... - solute immobility , then arises the complicated ques- tion , how many motions belong to it ? and with what velocity does it move ? If a motion of rotation exist what is the position of the axis about which it INTRODUCTORY LECTURE . 23.
... - solute immobility , then arises the complicated ques- tion , how many motions belong to it ? and with what velocity does it move ? If a motion of rotation exist what is the position of the axis about which it INTRODUCTORY LECTURE . 23.
Página 24
... move- ment , and the laws by which it is governed ? These are some of the questions which present themselves in the outset , touching the condition of the earth , on whose surface the astronomer is located , in his re searches of the ...
... move- ment , and the laws by which it is governed ? These are some of the questions which present themselves in the outset , touching the condition of the earth , on whose surface the astronomer is located , in his re searches of the ...
Página 25
... moving or stationary , the moon never parts company with our planet . In all her wanderings among the fixed stars , in her elonga tions from the sun , in her wondrous phases and perpetual changes , some invisible hand held her at the ...
... moving or stationary , the moon never parts company with our planet . In all her wanderings among the fixed stars , in her elonga tions from the sun , in her wondrous phases and perpetual changes , some invisible hand held her at the ...
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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