Elementary Mathematical Astronomy |
Contents
SPHERICAL GEOMETRY | 1 |
The Mean Sun and Equations of Time | 38 |
Geocentric Parallax | 121 |
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Common terms and phrases
aberration acceleration angular diameter angular distance angular velocity annual parallax approximately apse line areal velocity astronomical attraction axis azimuth celestial body celestial sphere centre chronometer clock constant correction decl declination denote described determined direction displacement disturbing force diurnal diurnal motion Earth Earth's radius Earth's rotation Earth's surface ecliptic elongation equal equator equinox error formula given Greenwich Greenwich mean Hence horizon hour angle increase instant interval Kepler's known latitude length longitude lunar March 21st mass mean distance mean solar mean Sun measured method miles Moon Moon's orbit motion Nautical Almanac nearly nodes nutation observed oscillation parallax pendulum perigee perpendicular planet point of Aries pole position precession refraction relative retrograde retrograde motion revolution revolve right ascension sidereal day sidereal period solstice star star's Sun's distance Sun's parallax synodic period t₁ telescope tides transit circle Venus vertical wires zenith distance