An Elementary Treatise on Astronomy: In Four Parts. Containing a Systematic and Comprehensive Exposition of the Theory, and the More Important Practical Problems; with Solar, Lunar, and Other Astronomical Tables. Designed for Use as a Text-book in Colleges and AcademiesWiley & Putnam, 1839 - 373 pages |
Other editions - View all
Common terms and phrases
aberration altitude angle angular apparent diameter apparent distance apparent latitude apparent longitude argument ascension and declination astronomical axis called centre circle circle of latitude column comet computed corrected corresponding Diff difference disc disturbing force diurnal motion earth eclipse epoch equa equal equatorial parallax Evection fixed stars formulæ given greatest obscuration Greenwich heavens heliocentric horizon horizontal parallax hourly motion inequalities inferior conjunction inferior planet interval longitude and latitude lunar mean anomaly mean longitude mean motion meridian moon's orbit motion in longitude node Nutation obliquity observed obtained orbit parallax perigee perihelion Perturbations planet pole position quantity radius vector refraction result retrograde motion right ascension satellites shadow sidereal subtract sun and moon sun's longitude sun's mean syzigies tang telescope tion triangle true true anomaly true longitude tude variation Venus vernal equinox zenith distance