Sentence Examples

  • The latter motion leads to the use, in astronomical practice, of time instead of angle, as the unit in which the right ascensions are to be expressed.
  • Right ascensions are now determined, not by measuring the angle between one star and another, but, by noting the time between the transits of successive stars over the meridian.
  • The difference between these times, when reduced to an angle, is the difference of the right ascensions of the stars.
  • We have already mentioned that in astronomical practice right ascensions are expressed in time, so that no multiplication by 15 is necessary.
  • This instrument moves only in the plane of the meridian on a horizontal east and west axis, and is used to determine the right ascensions and declinations of stars.

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