MOON TOPICS A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site first lunar meridian The meridian of lunar longitude that passes through the point in Sinus Medii that marks 0° longitude on the Moon. The first lunar meridian is identical in function to the prime meridian on Earth. Related category    • MOON TOPICS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP