Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xiv
... nearly circular orbits . Application to the case of the Moon . Theory of the lunar apsides and excentricity . Ex- perimental illustration . Application of the foregoing principles to the Planetary theory . Compensation in orbits very nearly ...
... nearly circular orbits . Application to the case of the Moon . Theory of the lunar apsides and excentricity . Ex- perimental illustration . Application of the foregoing principles to the Planetary theory . Compensation in orbits very nearly ...
Сторінка 18
... nearly straight , but will not attain perfect straightness till M is brought fairly up to contact with the surface at m , in which case its whole length will become a tangent to the sphere at m , as is the line xy . ( 23. ) This ...
... nearly straight , but will not attain perfect straightness till M is brought fairly up to contact with the surface at m , in which case its whole length will become a tangent to the sphere at m , as is the line xy . ( 23. ) This ...
Сторінка 20
... nearly to the surface of the sea . By this time the sun was set , and the shades of evening began to close in . He threw out nearly all his ballast , and suddenly sprang upwards to a great height , and by so doing brought his horizon to ...
... nearly to the surface of the sea . By this time the sun was set , and the shades of evening began to close in . He threw out nearly all his ballast , and suddenly sprang upwards to a great height , and by so doing brought his horizon to ...
Сторінка 25
... nearly equable thickness , enveloping our globe on all sides ; or rather as an aërial ocean , of which the surface of the sea and land constitutes the bed , and whose inferior portions or strata , within a few miles of the earth ...
... nearly equable thickness , enveloping our globe on all sides ; or rather as an aërial ocean , of which the surface of the sea and land constitutes the bed , and whose inferior portions or strata , within a few miles of the earth ...
Сторінка 47
... nearly approached , than the north . ( 67. ) The above is an account of the phenomena of the diurnal motion of the stars , as modified by different geogra- phical situations , not grounded on any speculation , but actually observed and ...
... nearly approached , than the north . ( 67. ) The above is an account of the phenomena of the diurnal motion of the stars , as modified by different geogra- phical situations , not grounded on any speculation , but actually observed and ...
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Outlines of Astronomy John Frederick William Herschel,Sir John Frederick William Herschel Повний перегляд - 1851 |
Загальні терміни та фрази
angle angular appear apsides ascertained astronomical axis bright calculation celestial centre circle comet curve described diameter difference direction disc distance disturbed body disturbing force diurnal diurnal motion double stars earth ecliptic Edition effect elements ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe heavens heliocentric horizon inclination inequality instance instrument interval Jupiter latitude latter less light longitude lunar magnitude mass mean measure meridian moon moon's motion nearly nebula node normal force nutation object observed orbit parallax parallel perigee perihelion period perturbations planet planetary pole portion position Post 8vo precession proper motions proportion recede recess reckoned refraction respect result revolution right ascension rotation round satellites Saturn seen sidereal sidereal day sidereal period situation solar sphere spherical stars station sun's suppose surface syzygies tangential force telescope tion Uranus variation velocity visible vols whole Woodcuts zenith
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Сторінка 674 - A Dictionary of Science, Literature, and Art : Comprising the History, Description, and Scientific Principles of every Branch of Human Knowledge ; with the Derivation and Definition of all the Terms in General Use. Edited by WT BRANDE, FRSL and E.