Popular Astronomy, Volume 52Goodsell Observatory of Carleton College, 1944 |
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Page 65
... binaries ; stellar binaries have not been found to exhibit such strong structural asymmetry . Assuming the same mechanical law to be valid for star - star and sun - planet binaries , the next step is to make the expression ( 15 ) ...
... binaries ; stellar binaries have not been found to exhibit such strong structural asymmetry . Assuming the same mechanical law to be valid for star - star and sun - planet binaries , the next step is to make the expression ( 15 ) ...
Page 422
... binaries , perhaps one star of every three is a double . Therefore , in studying them as a class we concentrate upon a path of evolution followed not merely by exceptional objects but by a large per cent of the whole stellar population ...
... binaries , perhaps one star of every three is a double . Therefore , in studying them as a class we concentrate upon a path of evolution followed not merely by exceptional objects but by a large per cent of the whole stellar population ...
Page 423
... binaries so that both types of data are available , the double sign , present in the visual orbit , before i can be omitted , and we know whether i is actually + or - . For spectroscopic binaries , unless additional data are at hand ...
... binaries so that both types of data are available , the double sign , present in the visual orbit , before i can be omitted , and we know whether i is actually + or - . For spectroscopic binaries , unless additional data are at hand ...
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