- standing erect
- facing directly forward
- feet pointed forward and slightly apart
- arms hanging down at the sides with the palms facing forward
This position is used as a reference to describe sites or motions of various parts of the body.
2. A point in space at which a small body, under the gravitational influence of two large ones, will remain approximately at rest relative to them.
The existence of such points was deduced by the French mathematician and astronomer Joseph-Louis Lagrange in 1772.
In 1906, the first examples were discovered. These were minor planets moving in Jupiter’s orbit, under the influence of Jupiter and the sun.