unstable orbit
91Horseshoe map — In the mathematics of chaos theory, a horseshoe map is any member of a class of chaotic maps of the square into itself. It is a core example in the study of dynamical systems. The map was introduced by Smale while studying the behavior of the… …
92Universe — • Presents a history of astronomy Catholic Encyclopedia. Kevin Knight. 2006. Universe Systems of the Universe † …
93Other moons of Earth — This article is about the scientific search for other moons of Earth. For Lilith, Earth s second moon in astrology, see Lilith (hypothetical moon). Earth with two moons Claims have existed for many centuries that the Earth might possess other… …
94Saturn — Infobox Planet bgcolour = #FFCC66 name = Saturn symbol = caption = Saturn, as seen by Cassini orbit ref =cite web last = Yeomans | first = Donald K. | date = 2006 07 13 url = http://ssd.jpl.nasa.gov/?horizons title = HORIZONS System | publisher …
95Minor planet — Not to be confused with Dwarf planet. A minor planet is an astronomical object in direct orbit around the Sun that is neither a dominant planet nor a comet, and thus includes the dwarf planets. The orbital categories of minor planets are the… …
96Discoveries of extrasolar planets — See also: List of extrasolar planet firsts Number of extrasolar planet discoveries per year as of 10 July 2011, with colors indicating method of detection …
97Megatron — For other uses, see Megatron (disambiguation). Not to be confused with Pegatron. Megatron is a character from the Transformers franchise, created by toy companies Hasbro and Takara. He is the primary antagonist and leader of the evil faction… …
98Project Genesis — In the fictional Star Trek universe, Project Genesis was a process of rapidly terraforming worlds to make them suitable for settlement and food production. The idea of Project Genesis was first introduced in . It was described as life from… …
99Exponential dichotomy — In the mathematical theory of dynamical systems, an exponential dichotomy is a property of an equilibrium point that extends the idea of hyperbolicity to non autonomous systems.DefinitionIf:dotmathbf{x} = A(t)mathbf{x}is a linear non autonomous… …
100Introduction to quantum mechanics — This article is an accessible, non technical introduction to the subject. For the main encyclopedia article, see Quantum mechanics. Quantum mechanics …
