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B How to calculate the distance between a Star and Zenith

  1. Apr 9, 2016 #1
    I was reading through some questions online and one asked the reader to calculate the distance between a star and Zenith given Sidereal Time 17hrs, RA*=16hr30mins, DEC*=50degrees. Could someone explain to me how you would do this please? There were no examples and so far I haven't managed to find one online.

    Thanks in advance! :)
     
  2. jcsd
  3. Apr 9, 2016 #2
    I think it is solving a spherical triangle and appears in books on celestial navigation.
     
  4. Apr 14, 2016 #3
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