Popular Astronomy, Volume 58Goodsell Observatory of Carleton College, 1950 |
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Page 129
... fall of 1908 June 30 , during the 1920's and 1930's when the U.S.S.R. was far more open to travel than today , there is no cause for surprise but only for regret in this prohibition . After reading the article very carefully , it does ...
... fall of 1908 June 30 , during the 1920's and 1930's when the U.S.S.R. was far more open to travel than today , there is no cause for surprise but only for regret in this prohibition . After reading the article very carefully , it does ...
Page 130
... fall were described by W. G. Fessenkoff in Sternenwelt , August , 1948 . In the craters or between them were found many meteorite frag- ments weighing from a milligram to hundred kilograms . On the outside they resemble fragments from ...
... fall were described by W. G. Fessenkoff in Sternenwelt , August , 1948 . In the craters or between them were found many meteorite frag- ments weighing from a milligram to hundred kilograms . On the outside they resemble fragments from ...
Page 272
... fall , which followed a lapse of activity for nearly twenty years , finally yielded nearly as much additional ma- terial as the total that already had been credited to this fall . And it was another aspect of our forced commercialism ...
... fall , which followed a lapse of activity for nearly twenty years , finally yielded nearly as much additional ma- terial as the total that already had been credited to this fall . And it was another aspect of our forced commercialism ...
Contents
FR SECCHI AND STELLAR SPECTRA MARTIN F MCCARTHY S J | 153 |
STRUCTURE AND COMPOSITION OF CANYON DIABLO | 169 |
RADIO WHISTLES SIDNEY VAN DEN BERGH | 177 |
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AAVSO absolute magnitudes absorption Adams American angle appeared Arizona Astronomical Society atmosphere August Barringer Meteorite Crater bright California Canyon Diablo circle classification College comet coördinates curve density Department of Astronomy determined diameter Diedrich Director dome earth eclipse equator Greenwich Harvard Harvard College Observatory Hertzsprung Holden instrument interest iron July June Jupiter latitude Lick Observatory lines luminosity mass maximum meeting meteor Meteoritic Falls Meteoritical Society Mexico minor planets moon motion Mount Wilson mountain Museum node Notes Nova observed OCCULTATIONS VISIBLE paper parallaxes photographic plates present President Professor radial velocity radiation recent refractor Rosebrugh Russell Saturn Schmidt schreibersite Secchi servatory shows solar specimens spectra spectral class spectroscopic spectrum SS Cygni stellar Sunspot surface Taur tektites telescope temperature theory tion University Variable Star velocity VISIBLE IN LONGITUDE Yerkes Yerkes Observatory