FILE - This is a Monday, Nov. 15, 2010 file photo of archeologists as they lift a tomb stone of a grave of famous Danish astronomer Tycho Brahe at the Church of Our Lady at the Old Town Square in ... more 
FILE - This is a Monday, Nov. 15, 2010 file photo of archeologists as they lift a tomb stone of a grave of famous Danish astronomer Tycho Brahe at the Church of Our Lady at the Old Town Square in Prague, Czech Republic. Ever since Tycho Brahe suddenly died in 1601, there has been a mystery about whether the Dane whose celestial observations laid the groundwork for modern astronomy fell victim to natural causes or was murdered. On Thursday, Nov. 15, 2012 scientists who exhumed his body say one thing is clear: he was not poisoned with mercury (AP Photo/Petr David Josek, File) less 
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Associated Press | Photo By Petr David Josek, File
Thu, Nov 15, 2012 7:49 AM EST