Popular Astronomy, Volume 50Goodsell Observatory of Carleton College, 1942 |
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Page 187
... radiation , two distinct mechanisms appear to be necessary at the moment for an explanation of observed phenomena : ( 1 ) The so - called W radiation characterized as wave phenomena into which the ultra - violet theory of ionization is ...
... radiation , two distinct mechanisms appear to be necessary at the moment for an explanation of observed phenomena : ( 1 ) The so - called W radiation characterized as wave phenomena into which the ultra - violet theory of ionization is ...
Page 403
... radiation has been demonstrated by the ex- tensive photometric studies of more than half a century . The sun , which admits of detailed investigations quite impossible in other stars , showed a total observa- tional range of only one ...
... radiation has been demonstrated by the ex- tensive photometric studies of more than half a century . The sun , which admits of detailed investigations quite impossible in other stars , showed a total observa- tional range of only one ...
Page 517
... radiation pressure within it . As the radiation pressure decreases , the attraction of gravitation within the Absolute Magnitude 5 O 5 Giants Main Sequence 10 15 Dwarfs 20 0 B A F G K M Spectral Class FIGURE 1 mass comes into the ...
... radiation pressure within it . As the radiation pressure decreases , the attraction of gravitation within the Absolute Magnitude 5 O 5 Giants Main Sequence 10 15 Dwarfs 20 0 B A F G K M Spectral Class FIGURE 1 mass comes into 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