libration in longitude
31Fryxell (crater) — lunar crater data latitude=21.3 N or S=S longitude=101.4 E or W=W diameter=18 km depth= Unknown colong=102 eponym=Roald H. FryxellFryxell is a small lunar crater that lies amidst the western inner ring of the Montes Rook. This crater is located… …
32moon — mooner, n. moonless, adj. /moohn/, n. 1. the earth s natural satellite, orbiting the earth at a mean distance of 238,857 miles (384,393 km) and having a diameter of 2160 miles (3476 km). 2. this body during a particular lunar month, or during a… …
33Moon — /moohn/, n. Sun Myung /sun myung/, born 1920, Korean religious leader: founder of the Unification Church. * * * Sole natural satellite of Earth, which it orbits from west to east at a mean distance of about 238,900 mi (384,400 km). It is less… …
34Point de Lagrange — Pour les articles homonymes, voir Lagrange. Un point de Lagrange (noté L1 à L5), ou, plus rarement, point de libration, est une position de l espace où les champs de gravité de deux corps en orbite l un autour de l autre, et de masses… …
35Lunar month — Animation of the Moon as it cycles through its phases, as seen from the Northern Hemisphere. The apparent wobbling of the Moon is known as libration. In lunar calendars, a lunar month is the time between two identical syzygies (new moons or full… …
36Hilda family — The Hilda family of asteroids consists of asteroids with a semi major axis between 3.7 AU and 4.2 AU, an eccentricity greater than 0.07, and an inclination less than 20°. They do not form a true asteroid family, in the sense that they do not… …
37Sinus Medii — Infobox Lunar mare name=Sinus Medii caption= latitude=2.4 N or S=N longitude=1.7 E or W=E diameter=335 km eponym=Bay of the CenterSinus Medii (latin for Bay of the Center ) is a small lunar mare that is located at the intersection of the Moon s… …
38Tobias Mayer — (17 February 1723 ndash; 20 February 1762) was a German astronomer famous for his studies of the Moon.. In 1754 he became superintendent of the observatory, where he worked until his death in 1762.His first important astronomical work was a… …
39Houtermans (crater) — lunar crater data latitude=9.4 N or S=S longitude=87.2 E or W=E diameter=29 km depth= Unknown colong=273 eponym=Friedrich G. HoutermansHoutermans is a lunar crater that is located beside the eastern limb of the Moon, in the region of the surface… …
40Astronomy on Mars — Mosaic of two different Mars Global Surveyor Mars Orbiter Camera (MOC) exposures of Earth, the Moon, and Jupiter from 2003 …
