Popular Astronomy, Volume 53Goodsell Observatory of Carleton College, 1945 |
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Page 84
... surface of any specimen . As soon as the figures appear distinctly , or , if the meteorite is not an octa- hedrite , as soon as the luster has gone from the surface , wash the specimen and dry it quickly with the towel or in an air ...
... surface of any specimen . As soon as the figures appear distinctly , or , if the meteorite is not an octa- hedrite , as soon as the luster has gone from the surface , wash the specimen and dry it quickly with the towel or in an air ...
Page 377
... surface ) approached and receded from the earth . Then a sin i would be simply half the total linear displacement of the surface , a mere fraction of the star's radius . These common - sense arguments eventually broke down the binary ...
... surface ) approached and receded from the earth . Then a sin i would be simply half the total linear displacement of the surface , a mere fraction of the star's radius . These common - sense arguments eventually broke down the binary ...
Page 484
... surface at mid - totality will receive half or less than half the illumination of the average vertical surface - the difference being more marked the larger the shadow . An absolute error by a factor of 1.5 in the estimates of foot ...
... surface at mid - totality will receive half or less than half the illumination of the average vertical surface - the difference being more marked the larger the shadow . An absolute error by a factor of 1.5 in the estimates of foot ...
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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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