The Planetary and Stellar Worlds: A Popular Exposition of the Great Discoveries and Theories of Modern Astronomy. In a Series of Ten LecturesOakley & Mason, 1868 - 320 páginas |
Dentro del libro
Resultados 1-5 de 49
Página xi
... measured by its reach to unfold the mysteries of the stars . It will be seen that in the following lectures one single object has engaged the attention of the writer - the structure of the universe , so far as revealed by the mind of ...
... measured by its reach to unfold the mysteries of the stars . It will be seen that in the following lectures one single object has engaged the attention of the writer - the structure of the universe , so far as revealed by the mind of ...
Página xii
... measure- ment of Strüve's double stars in that region . Should this work progress but slowly , let it be remembered that the director of the observatory has no assistant , out of his own immediate family , and must devote a large ...
... measure- ment of Strüve's double stars in that region . Should this work progress but slowly , let it be remembered that the director of the observatory has no assistant , out of his own immediate family , and must devote a large ...
Página xiii
... measure of the year , 49. A 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 ...
... measure of the year , 49. A 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 ...
Página xiv
... Measure of the moon's distance and of the earth's circumference , 118. The law of gravitation - Newton's first effort to demonstrate the truth of this law , 121. He finally shows that the moon is ever falling towards the earth , and ...
... Measure of the moon's distance and of the earth's circumference , 118. The law of gravitation - Newton's first effort to demonstrate the truth of this law , 121. He finally shows that the moon is ever falling towards the earth , and ...
Página 27
... measuring with approximate accuracy , their distance from the stars along their path , it became possible to trace a planet in its career , and to note the changes of its velocity . New and wonderful discover- ies were thus made . It ...
... measuring with approximate accuracy , their distance from the stars along their path , it became possible to trace a planet in its career , and to note the changes of its velocity . New and wonderful discover- ies were thus made . It ...
Contenido
17 | |
25 | |
35 | |
41 | |
49 | |
55 | |
68 | |
69 | |
155 | |
163 | |
181 | |
193 | |
203 | |
223 | |
238 | |
244 | |
78 | |
99 | |
105 | |
113 | |
128 | |
133 | |
146 | |
252 | |
273 | |
289 | |
295 | |
311 | |
324 | |
Otras ediciones - Ver todas
Términos y frases comunes
absolute accomplished actually aphelion appear astonishing astronomer axis beautiful body bright celestial sphere centre centrifugal force circle cluster comet commenced computed constellations curve detected determined diameter direction discovered discovery double stars earth earth's orbit eccentricity eclipse efforts entire equal equator examination existence fact finally fixed stars force forever grand Halley's comet heavens Herschel inclined increase instrument investigation Jupiter Kepler law of gravitation laws of Kepler light limits magnitude matter mean distance mighty miles Milky millions mind moon moon's motion move movements mysterious nearly nebula night object observation observatory orbs parallax pass perihelion phenomena philosopher planet planetary planetary orbits position precisely present primitive problem proper motion reached remarkable retrograde motion revealed revolving round satellites Saturn seen slowly solar system sphere Struve sun and moon sun's sweeping tance telescope theory thousand tion truth Uranus vast velocity visible wonderful