Outlines of AstronomyLongman, Brown, Green, Longmans, 1851 - 661 стор. |
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Сторінка xv
... visible course among the constellations . Its Internal structure . Its apparently indefinite extent in certain direc- tions . Of the distance of the fixed stars . Their annual parallax . Parallactic unit of sidereal distance . Effect of ...
... visible course among the constellations . Its Internal structure . Its apparently indefinite extent in certain direc- tions . Of the distance of the fixed stars . Their annual parallax . Parallactic unit of sidereal distance . Effect of ...
Сторінка 3
... visible and unsuspected from some of its principal and remoter members . - ( 3. ) There is hardly any thing which sets in a stronger light the inherent power of truth over the mind of man , when opposed by no motives of interest or ...
... visible and unsuspected from some of its principal and remoter members . - ( 3. ) There is hardly any thing which sets in a stronger light the inherent power of truth over the mind of man , when opposed by no motives of interest or ...
Сторінка 10
... visible universe , their constitution and physical condition , so far as they can be known to us , with their mutual influences and actions on each other , so far as they can be traced by the effects produced , and established by ...
... visible universe , their constitution and physical condition , so far as they can be known to us , with their mutual influences and actions on each other , so far as they can be traced by the effects produced , and established by ...
Сторінка 15
... visible horizon . The conclusion is plain : the earth cannot extend indefinitely in depth downwards , nor indefinitely in surface laterally ; it must have not only bounds in a horizontal direction , but also an under side round which ...
... visible horizon . The conclusion is plain : the earth cannot extend indefinitely in depth downwards , nor indefinitely in surface laterally ; it must have not only bounds in a horizontal direction , but also an under side round which ...
Сторінка 16
... visible area , as measured by the dip sector , is materially less than at a lower level ; or , in other words , that the apparent size of the earth has sensibly diminished as we have receded from its surface , while yet the absolute ...
... visible area , as measured by the dip sector , is materially less than at a lower level ; or , in other words , that the apparent size of the earth has sensibly diminished as we have receded from its surface , while yet the absolute ...
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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.