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Bob Berman's strange universe: Terms of endearment

June 2006: Every hobby and profession has its own language, and astronomy is no exception.
Every hobby and profession has its own language, and astronomy is no exception. Some astronomical terms — horizon, for example — are known by almost everyone. Others — Hydrogen-alpha, for instance —are familiar mostly to professionals and serious amateurs.

Some terms are pure fun. They're fun either because they sound intriguing or they denote a little-known phenomenon that deserves wider recognition. Some terms merely sound cool.

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