Outlines of Astronomy |
From inside the book
Results 1-5 of 100
Page ix
... true bearings of Newton's explanation of the annual equation.2 If proof were wanted of the inexhaustible fertility of astro- nomical science in points of novelty and interest , it would suffice to adduce the addition to the list of ...
... true bearings of Newton's explanation of the annual equation.2 If proof were wanted of the inexhaustible fertility of astro- nomical science in points of novelty and interest , it would suffice to adduce the addition to the list of ...
Page xii
... true longi- tudes of the Sun. Equation of the centre . Sidereal , tropical , and anoma- listic years . Physical constitution of the Sun. Its spots . Faculæ . Probable nature and causo of the spots . Atmosphere of the Sun. Its supposed ...
... true longi- tudes of the Sun. Equation of the centre . Sidereal , tropical , and anoma- listic years . Physical constitution of the Sun. Its spots . Faculæ . Probable nature and causo of the spots . Atmosphere of the Sun. Its supposed ...
Page 26
... true conclusions respecting the constitution of the universe . ( 15. ) Nor let it be thought strange that we should speak of a motion existing in the earth , unperceived by its inhabitants ; we must remember that it is of the earth as a ...
... true conclusions respecting the constitution of the universe . ( 15. ) Nor let it be thought strange that we should speak of a motion existing in the earth , unperceived by its inhabitants ; we must remember that it is of the earth as a ...
Page 29
... true sea - line , to be seen - the very same appearances are witnessed , but with this remarkable addition , viz . , that the angular diameter of the visible area , as measured by the dip sec- tor , is materially less than at a lower ...
... true sea - line , to be seen - the very same appearances are witnessed , but with this remarkable addition , viz . , that the angular diameter of the visible area , as measured by the dip sec- tor , is materially less than at a lower ...
Page 31
... true , in apparent size , but still the whole is seen down to the water line , till it reaches the visible horizon at B. But as soon as it has passed this distance , not only does the visible por- tion still continue to diminish in ...
... true , in apparent size , but still the whole is seen down to the water line , till it reaches the visible horizon at B. But as soon as it has passed this distance , not only does the visible por- tion still continue to diminish in ...
Other editions - View all
Common terms and phrases
altitude amount angle angular appear apsides ascertained astronomers 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 effect ellipse epoch equal equator equinoctial equinox error exact excentricity fixed globe gravity greater heavens heliocentric horizon inclination increase 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 perpendicular perturbations planet planetary pole portion position precession proper motions proportion recede recess reckoned refraction remarkable respect result revolution right ascension rotation round satellites Saturn seen sidereal sidereal day sidereal period situation solar sphere spherical stars station sun's suppose syzygies tangential force telescope tion Uranus variation velocity visible whole zenith