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Groups Are Organized to Observe the Eclipse of Stars By the Moon

Groups Are Organized to Observe the Eclipse of Stars By the Moon

IF YOU should be driving along a back road one moonlit night, you might encounter the following scene. About every 500 feet for a mile or so you would see someone looking through small telescope pointed at the moon. I you stopped to inquire, you would discover that the observers were timing the disappearance and reappearance of stars eclipsed by the moon as it move across the sky. The people engaged in this task will inform you that they are observing lunar occultations. They are participating in an activity, combining the pleasures of observational astronomy with the opportunity of gathering useful scientific data, that is attracting the interest of a growing number of amateurs. One of them is Trudy E. Bell formerly a history of science major at the University of California at Santa Cruz and now a member of the editorial staff of this magazine. She discusses her avocation as follows:

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Groups Are Organized to Observe the Eclipse of Stars By the Moon
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