Popular Astronomy, Volume 59Goodsell Observatory of Carleton College, 1951 |
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Page 194
... light passes tangent to the earth . This may not be true even on a perfectly clear day ; this assumption , like the others , should be re - examined with care . BEGINNING OR END OF TWILIGHT AT HEIGHTS Again the conventions used in ...
... light passes tangent to the earth . This may not be true even on a perfectly clear day ; this assumption , like the others , should be re - examined with care . BEGINNING OR END OF TWILIGHT AT HEIGHTS Again the conventions used in ...
Page 283
... light as a million eyes and could photograph the light of a candle 30,000 miles away . Combined with the 48 - inch wide - angle Schmidt reflector , he said , the Hale per- mits the use of more accurate techniques over a far larger ...
... light as a million eyes and could photograph the light of a candle 30,000 miles away . Combined with the 48 - inch wide - angle Schmidt reflector , he said , the Hale per- mits the use of more accurate techniques over a far larger ...
Page 494
... light years . Dr. Humason then extended the observations with the 100 - inch Hooker tele- scope . In 1942 he pushed the law of the red - shifts out to about 250 million light years , the spectrographic limit of that great telescope ...
... light years . Dr. Humason then extended the observations with the 100 - inch Hooker tele- scope . In 1942 he pushed the law of the red - shifts out to about 250 million light years , the spectrographic limit of that great telescope ...
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