libration of the moon definition

  • noun:
    • anybody of those tiny periodical alterations in the positioning associated with moon's surface reasonably towards planet, in consequence of which thin portions at opposite limbs become noticeable or hidden alternatively. It obtains various names in line with the manner in which it will take spot; as: (a) Libration in longitude, whatever, with respect to the place of the moon in its elliptic orbit, causes tiny portions close to the eastern and western boundaries alternately to seem and disappear completely monthly. (b) Libration in latitude, that which is determined by the varying position of the moon's axis according on spectator, resulting in the alternate appearance and disappearance of either pole. (c) Diurnal or parallactic libration, that which brings into look at the top of limb, at rising and establishing, some components maybe not inside typical noticeable hemisphere.
29 votes

How would you define libration of the moon?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!