Popular Astronomy, Volume 50Goodsell Observatory of Carleton College, 1942 |
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Page 107
... nebulae are expanding . A later stage of the process is represented by the symmetrically disposed Veil Nebulae in Cygnus , which are obviously arcs of the same circle . If this view is correct , it follows that there should be a white ...
... nebulae are expanding . A later stage of the process is represented by the symmetrically disposed Veil Nebulae in Cygnus , which are obviously arcs of the same circle . If this view is correct , it follows that there should be a white ...
Page 178
... nebulae . The fine set of photographs and drawings of planetary nebulae in Volume 13 of the Lick Observatory Publications is a classic . Counts of faint extra - galactic nebulae on the Crossley plates led him to estimate the number ...
... nebulae . The fine set of photographs and drawings of planetary nebulae in Volume 13 of the Lick Observatory Publications is a classic . Counts of faint extra - galactic nebulae on the Crossley plates led him to estimate the number ...
Page 296
... nebula . " There are those who insist upon calling these things " nebulae " ( as opposed to " galaxies " ) , quoting dictionaries to the effect that a galaxy must be the Milky Way , or " an assemblage of brilliant persons , " or some ...
... nebula . " There are those who insist upon calling these things " nebulae " ( as opposed to " galaxies " ) , quoting dictionaries to the effect that a galaxy must be the Milky Way , or " an assemblage of brilliant persons , " or some ...
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