Difference between revisions of "Fringe Region"
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Fringe Region
</dt>
The upper portion of the exosphere,
where the cone of
escape equals or exceeds 180�. In this region the individual atoms have so
little chance of collision that they essentially travel in free orbits, subject
to the earth's gravitation, at speeds imparted by the last collision. Also
called spray region. See escape
velocity. [[/a>|/a>
]]</dd>
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use