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Jesuit Fr. Gabriele Gionti, an astronomer, talks about a 1935 Zeiss telescope during a tour for media representatives of the Vatican Observatory at the papal villa at Castel Gandolfo, Italy, in this Sept. 28, 2018, file photo. (CNS/Paul Haring)
Jesuit Fr. Gabriele Gionti, an astronomer, talks about a 1935 Zeiss telescope during a tour for media representatives of the Vatican Observatory at the papal villa at Castel Gandolfo, Italy, in this Sept. 28, 2018, file photo. (CNS/Paul Haring)