plural of lunar letter

(astronomy) The passage of the Moon, as it moves through the nighttime sky, in front of a celestial object, such as a star or planet.

plural of lunar eclipse

(astronautics) The spacecraft used in the Apollo missions that was designed for the landing on the surface of the Moon; the lunar excursion module.

plural of lunar module

(astronomy) A period of time, approximately 4 billion years ago, during which a large number of impact craters formed on Earth's Moon.

plural of lunar year

The orbit of an object around the moon.

plural of lunar orbit

(navigation) The angle between the Moon and another celestial body. / (astronomy) A measurement of the distance from the Earth to the Moon.