A Treatise on Astronomy, Descriptive, Physical and Practical: Designed for Schools, Colleges, and Private Students |
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Common terms and phrases
altitude angular motion apogee apparent diameter argument argument of latitude ascending node astronomers attraction axis body called CHAP circle clock comet compute conjunction corresponding declination degrees determine difference Digits eclipsed earth earth's orbit eccentricity eclipse equa equal equation equinox evection give gravity greater greatest Greenwich heavens Hence horizontal parallax hourly motion inferior planet interval Jupiter Kepler's Kepler's third law latitude less logarithms longitude lunar orbit magnitude Mars mass mean anomaly mean distance Mercury meridian miles minutes moon's motion nearly node noon nutation observations opposite pass perigee perihelion period planet pole position proper motion proportion radial force radius refraction represent result revolution revolving right angles right ascension ring round satellites Saturn semidiameter side sidereal sine solar sun and moon sun's syzigies tance tangent telescope tides tion transit triangle true tude Uranus variation velocity Venus