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See also:ALTITUDE (See also:Lat. altitudo, from altus, high) , height or See also:eminence, and particularly the height above the ground or above See also:sea-level. In See also:geometry, the altitude of a triangle is the length of the perpendicular from the vertex to the See also:base. In See also:astronomy, the altitude of a heavenly See also:body is the apparent angular See also:elevation of the body above the See also:plane of the See also:horizon (see ASTRONOMY: Spherical). Apparent altitude is the value which is directly observed; true altitude is deduced by correcting for astronomical See also:refraction and See also:dip of the horizon; See also:geocentric altitude by correcting for See also:parallax. End of Article: ALTITUDE (Lat. altitudo, from altus, high)Additional information and CommentsThere are no comments yet for this article.
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