Popular Astronomy, Volume 59Goodsell Observatory of Carleton College, 1951 |
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Page 455
... direction ( and we shall later see that it is not ) , it is evident that , as the Earth revolves around the Sun , the line from Earth to Sun will make varying angles with the line of apsides of the Moon's orbit . This variation causes ...
... direction ( and we shall later see that it is not ) , it is evident that , as the Earth revolves around the Sun , the line from Earth to Sun will make varying angles with the line of apsides of the Moon's orbit . This variation causes ...
Page 459
... direction normal to the Moon's velocity will produce a change both in the orientation of the line of apsides and in the eccentricity of the lunar orbit , without change in the length of the major axis . The changes are obviously non ...
... direction normal to the Moon's velocity will produce a change both in the orientation of the line of apsides and in the eccentricity of the lunar orbit , without change in the length of the major axis . The changes are obviously non ...
Page 504
... direction at right angles to the direction of the center ( that is toward Cygnus and Carina in the dia- gram ) the numbers of stars per unit volume fluctuate without showing marked increases or decreases with increasing distance from ...
... direction at right angles to the direction of the center ( that is toward Cygnus and Carina in the dia- gram ) the numbers of stars per unit volume fluctuate without showing marked increases or decreases with increasing distance from ...
Contents
JOHN LESLIE COMRIE 18931950 CHARLES H SMILEY | 115 |
LONGFOCUS PHOTOGRAPHIC ASTROMETRY CONTINUED | 129 |
GALILEO THE ASTRONOMER GEORGIO ABETTI | 138 |
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AAVSO absolute magnitude acceleration altitude American angle appear asteroids Astr astrometric Astronomical Society August binaries bright California Carleton College central chondrite cohenite comet components computed crater curve CURVIN H diagonal distance earth effect Ephemeris error eyepiece figures film fireball fringe galaxy Gingrich given Goodsell Observatory Harvard instruments iron January Jour June Jupiter kamacite latitude light longitude lunar Mars mass maximum measured meteor meteorite Meteoritical Society Mexico Milky Moon Moon's Mount Wilson nebulae night node Notes Nova object observations Observatory obtained OCCULTATIONS VISIBLE octahedrite optical parallax path photographic planet plates plessite POPULAR ASTRONOMY position present prism Professor proper motion reference stars reports right ascension rotation saros Saturn schreibersite siderite slits solar eclipses specimen spectra spectrum stellar subclass Sunspot surface symbols Table taenite telescope tion troilite University Variable Star velocity Venus