Popular Astronomy, Volume 53Goodsell Observatory of Carleton College, 1945 |
Contents
THE VARIATION IN THE CALENDAR TIME OF THE EQUINOX | 103 |
PERSONAL EQUATION IN ASTRONOMY RAYNOR L DUNCOMBE | 110 |
THE AMPLEMENT AND THE COAMPLEMENT OF AN ANGLE | 121 |
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Common terms and phrases
absorption aerolite angle angular appear April Astronomical Society B.Taur bisection error bright calendar century Cepheids clock clouds color comet computed constellation coördinate corona craters cycle Cygni dark nebulae diameter distance earth Easter intervals eclipse emission epact Ephemeris equinox Figure fireball full moon galactic given golden number Greenwich Jupiter km/sec latitude light curves lines lunar magnitude March Mars maximum mean Mercury meridian meteor meteorite method micrometer miles minimum motion nebulae noted nova object observations Observatory OCCULTATIONS VISIBLE orbit parsecs path perihelion period personal equation personal error photographic planets position precessional action region reports right ascension rotation satellite Saturn solar spectra spectral type spectrum SS Cygni stellar sun-spot surface Table Tauri stars telescope temperature tion transit circle U.S. Naval Observatory University Uranus Variable Star variation velocity Venus VISIBLE IN LONGITUDE zenith