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Posted by Emily Lakdawalla on 2010/11/18 05:31 CST

The saddest item of business to note in this linky post is that noted astronomer Brian Marsden, retired director of the Minor Planet Center and a good friend to many, passed away yesterday at the age of 73.

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Canto IV: A Cog in the Wheel, a New Star in the Sky

Posted by David Seal on 2009/06/06 01:02 CDT

David Seal talks about his experience working with Kevin Beurle.

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