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The basic lists of entries in different space dictionaries have a surprisingly small overlap due to the delimitation problem of astronautics as a discipline. Several definitions of astronautics are listed and a schema of the relation of astronautics to associated disciplines is suggested. A selected part of the IAA basic list has been analyzed with respect to its content and relation to other disciplines...
The planned addition of a definition to each of the terms of the IAA Multilingual Space Dictionary is technically feasible, but new problems will arise, if only because some simple conditions have not been previously fixed. The ambiguity of some definitions as well as their hierarchy within the given dictionary are such important conditions. In the paper the contradiction between some definitions...