- arc.
Forced physical librations can be
predicted given the
orbit and
shape of the Moon. The
periods of free
physical librations can also be predicted...
- mechanics, the
Lagrange points (/ləˈɡrɑːndʒ/; also
Lagrangian points or
libration points) are
points of
equilibrium for small-m****
objects under the gravitational...
-
night to night, yet
somewhat obvious in time-lapse photography.
Lunar libration causes part of the back side of the Moon to be
visible to a terrestrial...
- be able to see one
additional degree's
worth of
libration in latitude.
Besides these "optical
librations"
caused by the
change in
perspective for an observer...
-
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...
- In
orbital mechanics, a
libration point orbit (LPO) is a
quasiperiodic orbit around a
Lagrange point.
Libration is a form of
orbital motion exhibited...
-
since the 1970s and
since used for
accurate measurements of the
physical librations through laser ranging to the Moon.
There are
several missions by different...
-
perturbing body—in this case, Neptune.
Relative to Neptune, the
amplitude of
libration is 38°, and so the
angular separation of Pluto's
perihelion to the orbit...
- The Derg (or Dergue; Amharic: ደርግ, lit. 'committee' or 'council'),
officially the
Provisional Military Administrative Council (PMAC), was the Ethiopian...
-
scientist of his time.
Refinements of
these laws to
include physical librations have been made, and they have been
generalized to
treat other satellites...