A number of people who've seen NASA's annual lunar phase and libration videos have asked what the other side of the Moon looks like, the side that can't be seen from the Earth. This video answers ...

The study investigated whether subsurface oceans exist in the icy moons of Uranus by examining the relationship between libration amplitudes (wobbling during rotation) and internal structures.

Goa Libration Day is celebrated on 19th December every year, marking a pivotal moment in India’s history. On this day in 1961, Goa, which was under Portuguese colonial rule for over 450 years ...

“To provide navigation support for planned space experiments in circumlunar space and on the lunar surface, a precise theory of physical libration with accuracy of a millisecond of arc is needed ...