Popular Astronomy, Volume 51Goodsell Observatory of Carleton College, 1943 |
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Page 486
... comet was nearly in opposition these spots would be also near the central meridian as seen from the comet . The absence of magnetic storms need not disturb us , however . The luminosity of a comet is controlled by the ultra - violet ...
... comet was nearly in opposition these spots would be also near the central meridian as seen from the comet . The absence of magnetic storms need not disturb us , however . The luminosity of a comet is controlled by the ultra - violet ...
Page 546
... comet that would satisfy all observations . It is safe to assume that the comet was very faint prior to its discovery in November , 1892. Ac- cording to Berberich the maximum theoretical brightness was attained . on September 27 , and ...
... comet that would satisfy all observations . It is safe to assume that the comet was very faint prior to its discovery in November , 1892. Ac- cording to Berberich the maximum theoretical brightness was attained . on September 27 , and ...
Page 572
Comet Notes By G. VAN BIESBROECK In the course of last month two of the periodic comets expected at this time have been recovered . The first one , PERIODIC COMET COMAS SOLĂ 1927 III , was found by Miss Oterma at Turku ( Finland ) ...
Comet Notes By G. VAN BIESBROECK In the course of last month two of the periodic comets expected at this time have been recovered . The first one , PERIODIC COMET COMAS SOLĂ 1927 III , was found by Miss Oterma at Turku ( Finland ) ...
Contents
Frontispiece Plate 1 The Moon | 9 |
The Moon Wm W Payne | 16 |
Concerted Observation of the Aurora M A Veeder | 22 |
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altitude American angle appears asteroids Astronomical Society ataxite atmosphere August brighter brightness catalogs celestial colour comet Copernican Copernicus Cygni December determined diameter distance Earth eclipse Ephemeris equinox error estimates explosion eyepiece fall February feet fireball given Goodsell Observatory Greenwich Harlow Shapley Harvard Harvard College Observatory January Jupiter latitude light curve longitude lunar magnitude March Mare Imbrium Mars mass mathematics maximum meteorite method miles Moon Moon's motion navigation nebulae Notes Nova object observations obtained occultation orbit OTERMA parallax path period photographic planet plates Pleione POPULAR ASTRONOMY position present probably Professor proper motions reports rotation Saturn SCRIPTA MATHEMATICA seen siderites solar spectral spectral type spectroscopic sphere SS Cygni stellar surface telescope theory tion Tucson University Variable Star velocity Venus visible visual visual magnitude volume