xsd:string A Path, a series of connected locations, is traversed by a Theme, moving under its own power or under the influence of a physical force. The Path may be described in various terms depending on whether it is bounded or not. If it is bounded, the Path may be identified by its Endpoints, which may be presented separately as Source and Goal. For Earth, these perturbations slowly change the eccentricity of the planet's orbit around the Sun. From the eyewitness accounts, as well as satellite data, videos and photos, Brown and his team have worked out the meteor's path through space. Its period around Saturn is just under one Earth day, meaning that it really barrels along, to cover its 700,000 mile orbit in such a short time.