Popular Astronomy, Volume 50Goodsell Observatory of Carleton College, 1942 |
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Page 74
... changes due to cor- responding changes in the earth's moment of inertia . The combined effect of these variations may be measured by observations of the Sun , Mercury , Venus , and Jupiter's satellites . The irregular changes are also ...
... changes due to cor- responding changes in the earth's moment of inertia . The combined effect of these variations may be measured by observations of the Sun , Mercury , Venus , and Jupiter's satellites . The irregular changes are also ...
Page 149
... CHANGES IN THE PERIODS OF VARIABLE STARS BY CAPTAIN THEODORE E. STERNE Some eclipsing variables show change of period that can be reasonably attributed to gravitational perturbations . Tidal forces distort the two components . The ...
... CHANGES IN THE PERIODS OF VARIABLE STARS BY CAPTAIN THEODORE E. STERNE Some eclipsing variables show change of period that can be reasonably attributed to gravitational perturbations . Tidal forces distort the two components . The ...
Page 279
... changes in period . The periods were found subject to more or less abrupt changes and a remarkable percentage of these irregular changes reached a maximum near the well - known gap in the distribution of period . Irregularities in the ...
... changes in period . The periods were found subject to more or less abrupt changes and a remarkable percentage of these irregular changes reached a maximum near the well - known gap in the distribution of period . Irregularities 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