Zenit: A letter, recently-discovered in the Vatican archives, shows the involvement of pope Urban VIII in the trial of Galileo. Papers in the Vatican Archives continue to disclose valuable historical information. The latest, a document discovered by Francesco Beretta, a professor at the University of Freiburg, discusses the case of the astronomer who was accused of heresy and Pope Urban's concern for the scientist's failing health. The letter was addressed to Cardinal Francesco Barberini and requests a speedy resolution to the problem.

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