Popular Astronomy, Volume 50Goodsell Observatory of Carleton College, 1942 |
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Page 155
... probably not far to S of Rochester , N. Y. , at about 30 10 km height , that the azimuth of the radiant was 315 ° , and that it started over northern Pennsylvania perhaps 40 miles south of the New York border , at an altitude of about ...
... probably not far to S of Rochester , N. Y. , at about 30 10 km height , that the azimuth of the radiant was 315 ° , and that it started over northern Pennsylvania perhaps 40 miles south of the New York border , at an altitude of about ...
Page 169
... probably the same number of meteors striking a unit surface as on the earth , but with no atmosphere to interrupt their fall , and with a velocity probably around 26 miles a second the enormous energy per unit of mass is expended in ...
... probably the same number of meteors striking a unit surface as on the earth , but with no atmosphere to interrupt their fall , and with a velocity probably around 26 miles a second the enormous energy per unit of mass is expended in ...
Page 240
... probably observed nearer maximum , at magnitude 16.6 , 13 and perhaps brighter , 11 so that its absolute magnitude was brighter than — 5.3 . The character of these data does not permit assignment of any weight in comparison with other ...
... probably observed nearer maximum , at magnitude 16.6 , 13 and perhaps brighter , 11 so that its absolute magnitude was brighter than — 5.3 . The character of these data does not permit assignment of any weight in comparison with other ...
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