Commons is a freely licensed media file repository. You can help.
Summary
DescriptionPhaseSpaceFreefall.png
English: The motion of a collection of closely packed orbits associated with freefall obeys Liouville's theorem. Though the shape area remains constant, the shape is distorted.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.