distance apart
111Birkeland current — Schmatic of the Birkeland or Field Aligned Currents and the ionospheric current systems they connect to.[1] A Birkeland current is a set of currents which flow along geomagnetic field line connecting the Earth’s magnetosphere to the Earth s hi …
112parallel — par|al|lel1 [ perə,lel ] adjective ** 1. ) lines that are parallel are the same distance apart at every point along their whole length: I drew two parallel lines around the border of the drawing. parallel to: He leaned forward so that his body… …
113parallel — I UK [ˈpærəlel] / US [ˈperəˌlel] adjective ** 1) maths lines that are parallel are the same distance apart at every point along their whole length I drew two parallel lines around the border of the drawing. parallel to: He leaned forward so that… …
114Micro-g environment — The term micro g environment (also µg, often referred to by the term microgravity) is more or less a synonym of weightlessness and zero G, but indicates that g forces are not quite zero, just very small.[1] The symbol for microgravity, µg, was… …
115Expressways of China — Chinese expressway, complete with signage. Shown here is the G106 (Jingkai Expressway section) in southern Beijing. (Summer 2004 image) The Expressway Network of the People s Republic of China (simplified Chinese: 中国高速网; traditional Chinese:… …
116Orbit — This article is about orbits in celestial mechanics, due to gravity. For other uses, see Orbit (disambiguation). A satellite orbiting the Earth has a tangential velocity and an inward acceleration …
117Relativity of simultaneity — thumb|Event B is simultaneous with A in the green reference frame, but it occurredbefore in the blue frame, and will occur later in the red frame.The relativity of simultaneity is the concept that simultaneity is not absolute, but dependent on… …
118Microphone practice — Main article: Microphone There exist a number of well developed microphone techniques used for miking musical, film, or voice sources. Choice of technique depends on a number of factors, including: The collection of extraneous noise. This can be… …
119Stadia mark — Stadia marks, also called stadia lines or stadia hairs, are crosshairs on the reticle of a theodolite or other surveying instrument that allow stadiametric rangefinding.EtymologyThe term stadia mark derives from the obsolete unit of distance, the …
120Rail transport — Railroad and Railway both redirect here. For other uses, see Railroad (disambiguation). Rail transport is the conveyance of passengers and goods by means of wheeled vehicles specially designed to run along railways or railroads. Rail transport is …
