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# Space

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In physics, space is defined as a coordinate?s system where you can locate an object.
In Classical physics the space is a three coordinates euclidean system (x,y,z).
In Relativistic physics the space is defined as a four coordinates system (x,y,z,t). The fourth coordinate is time.

[Outer space]?is a location that is not adjcent to a planet or star, where the density? of molocule?s is lower than [standard atmospheric pressure]? and sometimes called a vacuum.

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Last edited July 26, 2001 5:46 pm (diff)
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