A diagram lost for more than 350 years documents a spectacular sky of 1630.
A print of a diagram that was feared lost details the astonishing halo effects seen over Rome in 1630.Herzog August Bibliothek Wolfenbüttel: (Graph. C 707)
Around midday on 24 January 1630, seven suns seemed to blaze ...
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Saturday, November 19, 2016
The seven suns of Rome
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