Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xi
... Parallel wire micrometer . Principle of the duplication of images . The heliometer . Double refracting eye - piece . Variable prism micrometer . Of the position micrometer 74 CHAPTER IV OF GEOGRAPHY . Of the figure of the.
... Parallel wire micrometer . Principle of the duplication of images . The heliometer . Double refracting eye - piece . Variable prism micrometer . Of the position micrometer 74 CHAPTER IV OF GEOGRAPHY . Of the figure of the.
Сторінка 6
... parallels , it is yet not impossible that those who are already well acquainted with our subject , and whose knowledge has been acquired by that confessedly higher practice which is incompatible with the avowed objects of the present ...
... parallels , it is yet not impossible that those who are already well acquainted with our subject , and whose knowledge has been acquired by that confessedly higher practice which is incompatible with the avowed objects of the present ...
Сторінка 7
... parallel , or an illustration drawn from some artificial or natural process , of which he has that direct and individual impression which gives it a reality and associates it with a name , will , in almost every such case , supply in a ...
... parallel , or an illustration drawn from some artificial or natural process , of which he has that direct and individual impression which gives it a reality and associates it with a name , will , in almost every such case , supply in a ...
Сторінка 18
... parallel to a my , the tangent to the sphere 1. A spectator placed at M will therefore see not only : the vault of the sky above this line , as XZY , but also th portion or zone of it which lies between X N and YQ ; i other words , his ...
... parallel to a my , the tangent to the sphere 1. A spectator placed at M will therefore see not only : the vault of the sky above this line , as XZY , but also th portion or zone of it which lies between X N and YQ ; i other words , his ...
Сторінка 18
... parallel to a my , the tangent to the sphere at m . A spectator placed at M will therefore see not only all the vault of the sky above this line , as X ZY , but also that portion or zone of it which lies between X N and Y Q ; in other ...
... parallel to a my , the tangent to the sphere at m . A spectator placed at M will therefore see not only all the vault of the sky above this line , as X ZY , but also that portion or zone of it which lies between X N and Y Q ; in other ...
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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.