Outlines of Natural Philosophy: Being Heads of Lectures Delivered in the University of Edinburgh, Volume 2

altitude angular appears apsides apsis arch Astron Astronomical axis azimuth body CAILLE calculated called centre circle Comet computed declination degrees described determined diameter difference direction disk disturbing force diurnal motion Dr HERSCHEL Earth eccentricity ecliptic ellipsis equal equator equinox fixed stars formula given gravity greatest heavens Hence horizon horizontal parallax inclination inequality instant inversely Jupiter known LAMBRE latitude length Libration longitude Mars mean anomaly mean distance mean motion meridian moon move nearly nodes nutation obliquity observed opposite parallax parallel passes perigee perpendicular planets pole position precession quantity radius vector ratio reckoned refraction revolution revolve right angles right ascension rotation round satellites Saturn SECT semidiameter servation shadow shewn side siderial sine solar sphere spherical spheroid square straight line subtended sun's supposed syzygies tance tangent tides tion toises triangle true anomaly tude Uranus velocity Venus vernal equinox VINCE zenith