Laurent Grasso, Specola Vaticana (John G. Hagen SJ., 1847-1930 in front of the telescope at the Vatican Observatory, c. 1910), 2012. Courtesy: Michel Serrano and Gian Carlo Parodi, MNHN.
Laurent Grasso
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Laurent Grasso, Specola Vaticana (John G. Hagen SJ., 1847-1930 in front of the telescope at the Vatican Observatory, c. 1910), 2012. Courtesy: Michel Serrano and Gian Carlo Parodi, MNHN.