Popular Astronomy, Volume 52Goodsell Observatory of Carleton College, 1944 |
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Page 171
... less conducive to depth perception , it will impress us more or less profoundly . A care- ful observer here may raise the objection that he has found the Moon , even at the same height and in the same surroundings , some times more at ...
... less conducive to depth perception , it will impress us more or less profoundly . A care- ful observer here may raise the objection that he has found the Moon , even at the same height and in the same surroundings , some times more at ...
Page 421
... less than ± 0 ′′ .1 . Yet most known orbits have their semi - major axes certainly less than 3 " , many less than 1 " . It can hence be seen what a large per cent O'.1 is of either of these quantities . The wider binaries may take ...
... less than ± 0 ′′ .1 . Yet most known orbits have their semi - major axes certainly less than 3 " , many less than 1 " . It can hence be seen what a large per cent O'.1 is of either of these quantities . The wider binaries may take ...
Page 480
... less the time of rise ( from minimum to maxi- mum ) , and indicate that this excess tends to vary directly with the sun- spot numbers at the maximum . In order to remove minor irregularities a simple smoothing formula was employed on ...
... less the time of rise ( from minimum to maxi- mum ) , and indicate that this excess tends to vary directly with the sun- spot numbers at the maximum . In order to remove minor irregularities a simple smoothing formula was employed on ...
Contents
THE MILKY WAY BART J BOK | 261 |
EXPERIMENTAL MOON CRATERS WILly Ley | 278 |
RECURRENCE OF FLOODS AND DROUTHS AFTER INTERVALS | 284 |
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absorption appear April Arabic Astr Astronomical Society August average B.Taur binary bright Catalogue Cepheids clusters color computed coördinate number crater cycle Cygni derived diameter distance distribution double stars earth eclipse emission Ephemeris fall field fireball galactic center galaxy given Greenwich Harvard indicated interstellar investigation July Jupiter km/sec latitude Lick Observatory light curve lines magnitude Mars mass maximum measured meteor meteorite method miles Milky months Moon nebulae Notes Nova object Observatory obtained OCCULTATIONS VISIBLE October orbit Otto Struve oxide parallaxes perihelion photographic planet plates position present probably proper motions Pulkovo radial velocities record region relative right ascension rotation Saturn Shapley siderite solar spectral class spectral types spectroscopic spectrum spots SS Cygni star density stellar Struve sunspots Table telescope temperature tion University Variable Star VISIBLE IN LONGITUDE visual Wilson