the spherical triangle formed by the great circles connecting a celestial object, the zenith, and the celestial pole.
[ 1915-20 ]
the spherical triangle formed by the great circles connecting a celestial object, the zenith, and the celestial pole.
[ 1915-20 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012