Popular Astronomy, Volume 50Goodsell Observatory of Carleton College, 1942 |
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Page 473
On the Brightness of Comets By N. T. BOBROVNIKOFF INTRODUCTION The problem of the brightness of comets has two aspects . We may try to determine the law of the variation in the brightness of comets depending on their heliocentric and ...
On the Brightness of Comets By N. T. BOBROVNIKOFF INTRODUCTION The problem of the brightness of comets has two aspects . We may try to determine the law of the variation in the brightness of comets depending on their heliocentric and ...
Page 474
... brightness of the comet . The probable error of one observation derived from the least squares solution is then R ... brightness of comets cannot be represented by any formula at all . He computed then the " reduced " brightness of ...
... brightness of the comet . The probable error of one observation derived from the least squares solution is then R ... brightness of comets cannot be represented by any formula at all . He computed then the " reduced " brightness of ...
Page 489
... brightness of the moon , on the other hand , is not simply proportional to the area of its illuminated part , but it ... brightness . Philippov3 could not find much correlation between the phases of the moon and fluctuations . in the ...
... brightness of the moon , on the other hand , is not simply proportional to the area of its illuminated part , but it ... brightness . Philippov3 could not find much correlation between the phases of the moon and fluctuations . in the ...
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