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The Baltimore Sun

An 1862 Equatorial telescope, used by Baron Ercole Dembowski to study binary stars, is displayed at the exhibit "Astrum 2009: Astronomy and Instruments" at the Vatican Museum, in Vatican City.

An 1862 Equatorial telescope, used by Baron Ercole Dembowski to study binary stars, is displayed at the exhibit "Astrum 2009: Astronomy and Instruments" at the Vatican Museum, in Vatican City.AP Photo/Pier Paolo Cito
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