In lunar astronomy, libration is the cyclic variation in the apparent position of the Moon that is perceived by observers on the Earth and caused by changes...

In orbital mechanics, a libration point orbit (LPO) is a quasiperiodic orbit around a Lagrange point. Libration is a form of orbital motion exhibited...

mechanics, the Lagrange points (/ləˈɡrɑːndʒ/; also Lagrangian points or libration points) are points of equilibrium for small-mass objects under the gravitational...

Libration (from the Latin verb librare "to balance, to sway"; cf. libra "scales") is a type of reciprocating motion in which an object with a nearly fixed...

and perigee requires a more elaborate calculation. Also, due to lunar libration it is not uncommon to see up to 101% of the full moon or even up to 5%...

7° north of the equator and the north pole is visible. This is called libration in latitude. The nodes are points at which the Moon's orbit crosses the...

The Derg or Dergue (Amharic: ደርግ, lit. 'committee' or 'council'), officially the Provisional Military Administrative Council (PMAC), was the military junta...

of the lunar surface is visible due to cyclical shifts in perspective (libration), making parts of the far side of the Moon visible. The Moon has been...

orbit is both somewhat elliptical and inclined to its equatorial plane, libration allows up to 59% of the Moon's surface to be viewed from Earth (though...

Category:Spacecraft using halo orbits Libration point orbit Robert Farquhar (1966). "Station-Keeping in the Vicinity of Collinear Libration Points with an Application...

crater Herschel was considered to be a more likely explanation for the libration. In 2022, scientists at the Southwest Research Institute identified a...

far side is occasionally visible from Earth due to oscillation and to libration. The remaining 82 percent remained unobserved until 1959, when it was...

scientist of his time. Refinements of these laws to include physical librations have been made, and they have been generalized to treat other satellites...

profile is irregular. The lunar limb is not always the same: because of the libration of the Moon, i.e. small rotational movements as seen from Earth, its profile...

(131696) 2001 XT254 is librating in a 3:7 resonance with Neptune. This libration can be stable for less than 100 million to billions of years. Emel'yanenko...

looking for a photometrically confirmable concentration of dust at the libration (Lagrangian) points in 1951. After a change in method suggested by Josef...

are several classes of co-orbital objects, depending on their point of libration. The most common and best-known class is the trojan, which librates around...

surface is subject to the effects of libration, and the crater can be hidden from sight during an unfavorable libration. Even when visible, however, the crater...

foreshortened when viewed from the Earth, and visibility is subject to libration. The outer rim of Gibbs is not quite circular, and an outward bulge to...

This'". POLITICO. "NASA Scientific Visualization Studio | Moon Phase and Libration, 2011". SVS. June 13, 2011. Retrieved June 1, 2023. Carbone, Nick (May...

is used as a transfer point for routine travel to and from the Moon. Libration point orbit Possibly a halo orbit. Sources disagree. Astronomy portal...

eastern limb of the Moon. The visibility of this formation is affected by libration, and even under favorable conditions it is highly foreshortened. It lies...

orbit. Named after the writer Arthur C. Clarke. Earth orbital libration points The libration points for objects orbiting Earth are at 105 degrees west and...

Areosynchronous Areostationary Lagrange points Distant retrograde Halo Lissajous Libration Lunar Sun Heliocentric Earth's orbit Mars cycler Heliosynchronous Other...

appearance, and the location near the limb can limit visibility due to libration. The most favorable time for viewing this feature is near the full moon...

any noticeable movement in the Moon's sky. However, due to the Moon's libration, Earth does perform a slow and complex wobbling movement. Once a month...

located near the north pole of the Moon, along the northern limb in the libration zone. It lies just to the south-southeast of the craters Grignard and...

repeated observations from Earth, due to the phenomena of libration and parallax. Librations are primarily caused by the Moon's varying orbital speed due...

Areosynchronous Areostationary Lagrange points Distant retrograde Halo Lissajous Libration Lunar Sun Heliocentric Earth's orbit Mars cycler Heliosynchronous Other...

lies on the far side of the Moon, just behind the eastern limb. Due to libration this feature can sometimes be observed from the Earth under favorable...