Popular Astronomy, Volume 54Goodsell Observatory of Carleton College, 1946 |
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Page 203
... appeared from very few to twenty an hour , being especially numerous on three nights of slight auroral ac- tivity . One out of ten appeared directly in my line of vision . Lastly , they were more numerous in the early hours of the night ...
... appeared from very few to twenty an hour , being especially numerous on three nights of slight auroral ac- tivity . One out of ten appeared directly in my line of vision . Lastly , they were more numerous in the early hours of the night ...
Page 281
... appeared in 1944 , but no spare copies were found in western Germany . Many important articles have appeared in this mag- azine , among which we mention Unsöld's series on Scorpii ; Bier- mann's work on convection and the composition of ...
... appeared in 1944 , but no spare copies were found in western Germany . Many important articles have appeared in this mag- azine , among which we mention Unsöld's series on Scorpii ; Bier- mann's work on convection and the composition of ...
Page 282
... appeared ( 1942 , 43 , 44 and 1943 , 44 , 45 , respectively ) ; while Dr. Kopff made available a partially complete copy of the 1946 Jahrbuch as well as the Jahresbericht , litera- ture for 1941 . The following Mitteilungen have appeared ...
... appeared ( 1942 , 43 , 44 and 1943 , 44 , 45 , respectively ) ; while Dr. Kopff made available a partially complete copy of the 1946 Jahrbuch as well as the Jahresbericht , litera- ture for 1941 . The following Mitteilungen have appeared ...
Contents
Morgan H R Motions in the solar system | 2 |
Names of the sateillites The Samuel G Barton | 122 |
THE SEVENTYFOURTH MEETING OF THE AMERICAN ASTRO | 159 |
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AAVSO aerolite American appeared asteroids Astronomical Society atmosphere average brighter brightness California catalog cell color comet computed constant coördinate number corona Crater curve cycle determined diameter distance earth eclipse effective wave length energy ephemeris equation error exposure fall field filter galvanometer Harvard Harvard College Observatory instruments intensity Jupiter Kepler latitude light longitude lunar magnitude scale maximum means measurements meeting meteorites Meteoritic Falls meteors method moon motion Mount Wilson nebulae North Polar Sequence Nova objective observations Observatory obtained OCCULTATIONS VISIBLE orbit period photoelectric photographic photographic magnitudes photometer photometry Pickering planets plate Polar Sequence present prism Professor Puente-Ladron radiation region reported satellites Saturn September siderites solar spectral spectrophotometry spectrum standard Stebbins stellar sun-spot sunspot surface Table telescope tion U. S. Naval Observatory University Variable Star Venus visual visual magnitude Yerkes Observatory