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April asteroids Astronomical Society August axis binaries bright brighter Bruce Medal Burckhalter C. D. Perrine California CAMPBELL catalogue comet Comet-Medal Committee computed Crossley reflector determination diameter Director discovery distance double stars E. F. Coddington eastward eclipse elements elongation ephemeris equatorial error exposure faint Gegenschein given Hamilton Harvard College Observatory hour instruments investigations J. E. Keeler January July June Jupiter KEELER latitude Library Lick Observatory light line of sight magnitude March Mars measures Medal Mercury meridian Messrs meteors minutes Miss month Moon motion Naval Observatory nearly nebula night November O'Halloran observations obtained orbit Pacific pairs period Perseids photographs Pierson planet plate position Prof Professor proper motion Publications radiant refraction refractor Right Ascension San Francisco Saturn Secretary solar spectra spectrograph spectroscopic spectroscopic binaries spectrum telescope temperature tion TYCHO University Observatory Uranus variable velocity Venus visible Yerkes Observatory zenith-distance
Page 40 - I then contracted my design, determining to confide in myself, and no longer to solicit auxiliaries, which produced more incumbrance than assistance; by this I obtained at least one advantage, that I set limits to my work, which would in time be ended, though not completed.
Page 211 - The officers shall consist of a President, two Vice-Presidents, a Secretary, and a Treasurer.
Page 190 - Under the sure guidance of observation and experiment, he advanced to general laws ; and if Bacon had never lived, the student of nature would have found in the writings and labors of Galileo, not only the boasted principles of the inductive philosophy, but also their practical application to the highest efforts of invention and discovery.
Page 185 - I had promised my friends in the title of this book, which I named before I was sure of my discovery ; what, sixteen years ago, I urged as a thing to be sought; that for which I joined Tycho Brahe, for which I settled in Prague, for which I have devoted the best part of my life to astronomical contemplations ; — at length I have brought to light, and have recognised its truth beyond my most sanguine expectations.
Page 164 - While I must leave to others an estimate of the importance of these conclusions, it seems to me that they have a very direct bearing on many, if not all, questions concerning the cosmogony. If, for example, the spiral is the form normally assumed by a contracting nebulous mass, the idea at once suggests itself that the solar system has been evolved from a spiral nebula...
Page 185 - Egypt. If you forgive me, I rejoice ; if you are angry, I can bear it : the die is cast ; the book is written ; to be read either now or by posterity. I care not which. It may well wait a century for a reader, since God has waited six thousand years for an observer like myself.
Page 245 - ... hydrogen in Sirius or in Vega. Iron from our mines was line-matched, light for dark, with stellar iron from opposite parts of the celestial sphere. Sodium, which upon the earth is always present with us, was found to be widely diffused through the celestial spaces.
Page 214 - Correspondence relating to contributions should be addressed to the editors, at Ithaca, New York. Manuscript intended for publication in THE PHYSICAL REVIEW must be communicated by the author ; when publication in other journals is contemplated, notice to that effect should be given. The authors of original articles published in the REVIEW will receive one hundred separate copies in covers, for which no charge will be made ; additional copies; when ordered in advance may be obtained at cost...