Popular Astronomy, Volume 50Goodsell Observatory of Carleton College, 1942 |
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Page 7
... Venus run as follows : 580 , 587 , 583 , 583 , and 587 days , totaling 2920 days . This gave them the equation 5 Venus periods - 2920 days . Since 2920 days equal eight calendar years of 365 days , the equation formed the basis of ...
... Venus run as follows : 580 , 587 , 583 , 583 , and 587 days , totaling 2920 days . This gave them the equation 5 Venus periods - 2920 days . Since 2920 days equal eight calendar years of 365 days , the equation formed the basis of ...
Page 45
... Venus at her low elevation , in the amber twilight . ( Venus was so near that this comparison should have been fairly accurate . ) Eleventh How did these sparks compare with Venus in apparent size ? About the same . Twelfth : What was ...
... Venus at her low elevation , in the amber twilight . ( Venus was so near that this comparison should have been fairly accurate . ) Eleventh How did these sparks compare with Venus in apparent size ? About the same . Twelfth : What was ...
Page 150
... Venus , Mars , and Jupiter By R. B. WEITZEL The dates of approximate conjunctions of Venus , Mars , and Jupiter which have a maximal difference of less than five degrees in geocentric longitude are set forth in a table . Italicized ...
... Venus , Mars , and Jupiter By R. B. WEITZEL The dates of approximate conjunctions of Venus , Mars , and Jupiter which have a maximal difference of less than five degrees in geocentric longitude are set forth in a table . Italicized ...
Contents
Bolide observed A bright 451 | 114 |
STELLAR DISTANCES FREDERICK SLOCUM | 117 |
METEORITIC FOSSILS BEN HUR WILSON | 125 |
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absolute magnitude American American Astronomical Society American Meteor Society angle appeared Astronomical Society atmosphere average azimuth changes College comets constellation craters Cygni diameter direction distance earth eclipse end point ephemeris errors fireball galactic galaxies given height horizon indicated instruments July June Jupiter latitude Lick Observatory light curve longitude luminosity lunar Mare Imbrium Mars maxima maximum mean measured meridian meteor meteorite method miles minimum moon motion nebulae Notes novae object observations Observatory obtained OCCULTATIONS Ohio orbit paper parallax path perihelion phenomena photographs planet POPULAR ASTRONOMY position predicted present probably problem projectile radiation region reports rotation seen solar spectra spectral type spectrum SS Cygni stellar sunspot surface Table telescope tion train University Variable Star variation velocity Venus visible Yerkes Observatory zenith Zodiacal Light