German astronomer discovers new minor planet

German astronomer Robert Luther discovered from his observatory in Dusseldorf a minor planet he called Mnesosyne, after the Greek goddess of memory.  Now termed a large main belt asteroid, it measures around 112 kilometers in diameter. (By John Osborne)
Source Citation
The American Almanac and Repository of Useful Knowledge (Boston: Crosby, Nichols, Lee and Company, 1861), 403. 
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