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The
reason an enthusiast is needed is that in this scientific field,
more than even in biology and medicine, new developments are seen
in the news every week, and a teacher must be able to answer the
students' questions with some knowledge to make the course truly
represent the state of this rapidly evolving body of knowledge.
Leigh
* Of course for a minority of schools located in rural areas there
is a much better adjunct - the dark sky itself!