space-to-ground communications
1Space warfare — is combat that takes place in outer space, i.e. outside the atmosphere. Technically, as a distinct classificationFact|date=August 2008, it refers to battles where the targets themselves are in space. Space warfare therefore includes ground to… …
2Space and Missile Systems Center — Infobox Military Unit unit name= Space and Missile Systems Center caption= Space and Missile Systems Center emblem dates= July 1954–Present country= United States branch= Air Force type= Space systems development and operations size= 1,125… …
3Space Shuttle Challenger — Challenger OV 099 Challenger landing after its first mission, STS 6 OV designation OV 099 …
4Space Operations Communicator — The Space Operations Communicator is a peer reviewed, technical journal published quarterly by Space Operations and Support, a technical committee within the American Institute of Aeronautics and Astronautics (AIAA) and by the International… …
5communications satellite — an artificial earth satellite that facilitates communications, as radio, television, and telephone transmissions, by means of the reflection or the amplification and retransmission of signals between stations on earth or in space. [1960 65] * * * …
6Space debris — populations seen from outside geosynchronous orbit (GEO). Note the two primary debris fields, the ring of objects in GEO, and the cloud of objects in low earth orbit (LEO) …
7Space warfare in fiction — Space warfare in science fiction has served as a central theme within the genre, tracing its roots back to the future war novels of the 19th century. (Space warfare can be found in even older works of fiction. Lucian of Samosata s True History… …
8Space weather — is the concept of changing environmental conditions in outer space. It is distinct from the concept of weather within a planetary atmosphere, and deals with phenomena involving ambient plasma, magnetic fields, radiation and other matter in space… …
9Ground-Based Midcourse Defense — (GMD) is a component of the national missile defense strategy of the United States administered by the U.S. Missile Defense Agency. Previously known as National Missile Defense (NMD), the name was changed in 2002 to differentiate it from other… …
10Space science — is an all encompassing term that describes all of the various science fields that are concerned with the study of the Universe, generally also meaning excluding the Earth and outside of the Earth s atmosphere . Originally, all of these fields… …
