Sentence Examples


  • The longitude of the solar perigee is now 101°, that of the earth's perihelion 281°.
  • Longitude of the perigee at the two epochs gave the annual motion of that element, and the difference of mean longitudes gave the mean motion.
  • An Anomalistic month is the time in which the moon passes from perigee to perigee, &c.
  • The problem of determining an orbit may be regarded as coeval with Hipparchus, who, it is supposed, found the moving positions of the apogee and perigee of the moon's orbit.
  • In the case of the motion of the moon around the earth, assuming the gravitation of the latter to be subject to the modification in question, the annual motion of the moon's perigee should be greater by I 5" than the theoretical motion.