StarDate: March/April 2009

$7.00

In the March/April issue of StarDate, science writer Robert Zimmerman explains that astronomers have been struggling to understand the behaviour of peculiar star Beta Lyrae for more than two centuries, and may now have a grip on it. Margaret Buranen fills us in on the collection of skymaps and scientific instruments preserved since the Abraham Lincoln administration by the U.S. Naval Observatory.

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