# Empty+space

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**Compact space**— Compactness redirects here. For the concept in first order logic, see compactness theorem. In mathematics, specifically general topology and metric topology, a compact space is an abstract mathematical space whose topology has the compactness… …102

**Marshall Space Flight Center**— George C. Marshall Space Flight Center Aerial view of the test area at MSFC …103

**Hilbert space**— For the Hilbert space filling curve, see Hilbert curve. Hilbert spaces can be used to study the harmonics of vibrating strings. The mathematical concept of a Hilbert space, named after David Hilbert, generalizes the notion of Euclidean space. It… …104

**No Longer Empty**— is a New York City based, 501C3 nonprofit arts organization dedicated to orchestrating site specific public art exhibitions in empty storefronts. No Longer Empty was conceived as an artistic response to the worsening economic condition in 2009,… …105

**Euclidean space**— Every point in three dimensional Euclidean space is determined by three coordinates. In mathematics, Euclidean space is the Euclidean plane and three dimensional space of Euclidean geometry, as well as the generalizations of these notions to… …106

**Normal space**— Separation Axioms in Topological Spaces Kolmogorov (T0) version T0 | T1 | T2 | T2½ | completely T2 T3 | T3½ | T4 | T5 | T6 In topology and related branches of mathematics, a no …107

**T1 space**— In topology and related branches of mathematics, T1 spaces and R0 spaces are particular kinds of topological spaces.The T1 and R0 properties are examples of separation axioms. Definitions Let X be a topological space and let x and y be points in… …108

**Chaos Space Marines**— In the table top wargame Warhammer 40,000, the Chaos Space Marines or Chaos Marines, are Space Marines who serve the Chaos Gods. They are also referred to as the Traitor Legions, primarily in background material written from the perspective of… …109

**List of Space: 1999 episodes**— The 1970s science fiction television series Space: 1999 ran for 48 episodes during its original two year broadcast 24 episodes in its first series (1973 1976 start of production to end of broadcast) and 24 in its second series (1976–1977 start of …110

**Void space**— Void Void, a. [OE. voide, OF. voit, voide, vuit, vuide, F. vide, fr. (assumed) LL. vocitus, fr. L. vocare, an old form of vacare to be empty, or a kindred word. Cf. {Vacant}, {Avoid}.] 1. Containing nothing; empty; vacant; not occupied; not… …