Sentence Examples


  • In 1815 he settled at Leipzig as privatdocent, and the next year became extraordinary professor of astronomy in connexion with the university.
  • In 1844 he was elected ordinary professor of higher mechanics and astronomy, a position which he held till his death on the 26th of September 1868.
  • There is now no doubt that William Gascoigne, a young gentleman of Yorkshire, was the first 1 Gran, History of Physical Astronomy, p. 449.
  • 2 For the corrections applicable to measures of position-angle in different hour angles, on account of errors of the equatorial instrument and of refraction, see Chauvenet's Practical and Spherical Astronomy, ii.
  • The application of photography to exact astronomy has created the necessity for new forms of apparatus to measure the relative positions of stellar and planetary images on photographic plates, and the relative positions of lines in photographic spectra.

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