Popular Astronomy, Volume 58Goodsell Observatory of Carleton College, 1950 |
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Page 22
... indicated the date , each horizontal line representing a Thursday evening . The dashes on the sunset and sunrise curves aid interpolation on intermediate days . The various lines indicate the rising , setting , and transit times of the ...
... indicated the date , each horizontal line representing a Thursday evening . The dashes on the sunset and sunrise curves aid interpolation on intermediate days . The various lines indicate the rising , setting , and transit times of the ...
Page 23
... indicate moonrise for the second half of the lunar month . Obviously , the various phases of the Moon cannot be indicated closer than 12 hours . Small squares on planet curves indicate quadrature and half - circles greatest elongation ...
... indicate moonrise for the second half of the lunar month . Obviously , the various phases of the Moon cannot be indicated closer than 12 hours . Small squares on planet curves indicate quadrature and half - circles greatest elongation ...
Page 494
... indicated a pres- sure of 12 atmospheres in the atmosphere of Sirius and 7 in Procyon . He further commented ( Ap . J. , 33 , 70 , 1911 ) , " The hypothesis has sometimes been suggested , based on considerations of average density and ...
... indicated a pres- sure of 12 atmospheres in the atmosphere of Sirius and 7 in Procyon . He further commented ( Ap . J. , 33 , 70 , 1911 ) , " The hypothesis has sometimes been suggested , based on considerations of average density and ...
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