Popular Astronomy, Volume 54Goodsell Observatory of Carleton College, 1946 |
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Page 74
... Michigan in particular , is of great interest and importance . This is due , not only to the unusually large volume ... Michigan , giving rise to all the corresponding problems in- volved , dates back nearly a century , to the building ...
... Michigan in particular , is of great interest and importance . This is due , not only to the unusually large volume ... Michigan , giving rise to all the corresponding problems in- volved , dates back nearly a century , to the building ...
Page 75
... Michigan into the Gulf of Mexico , which normally would have flowed out into the Atlan- tic via Niagara Falls and the St. Lawrence River . Technically , it was possible to perform this engineering feat , owing to unique physiographic ...
... Michigan into the Gulf of Mexico , which normally would have flowed out into the Atlan- tic via Niagara Falls and the St. Lawrence River . Technically , it was possible to perform this engineering feat , owing to unique physiographic ...
Page 83
... Michigan without diversion , as de- termined from the data shown for Cycles 1 , 2 , 3 , and 4 , we obtain estimated elevations for each period , which we might have expected to obtain should Lake Michigan have had only a single outlet ...
... Michigan without diversion , as de- termined from the data shown for Cycles 1 , 2 , 3 , and 4 , we obtain estimated elevations for each period , which we might have expected to obtain should Lake Michigan have had only a single outlet ...
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