Substitute the given values: e = 0.5, r_p = 1.5 AU
From the spherical triangle PZS, using four-parts formula: [ \tan q = \frac\sin H\tan \phi \cos \delta - \sin \delta \cos H ] spherical astronomy problems and solutions
This formula allows modern telescopes and mobile apps like Stellarium to calculate exactly where to look for a star from any location. B. Determining Terrestrial Position (Celestial Navigation) Substitute the given values: e = 0