After 350 Years, Vatican Says Galileo Was Right: It Moves
By Alan Cowell
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More than 350 years after the Roman Catholic Church condemned Galileo, Pope John Paul II is poised to rectify one of the Church’s most infamous wrongs — the persecution of the Italian astronomer and physicist for proving the Earth moves around the Sun.
With a formal statement at the Pontifical Academy of Sciences on Saturday, Vatican officials said the Pope will formally close a 13-year investigation into the Church’s condemnation of Galileo in 1633. The condemnation, which forced the astronomer and physicist to recant his discoveries, led to Galileo’s house arrest for eight years before his death in 1642 at the age of 77.
The dispute between the Church and Galileo has long stood as one of history’s great emblems of conflict between reason and dogma, science and faith. The Vatican’s formal acknowledgement of an error, moreover, is a rarity in an institution built over centuries on the belief that the Church is the final arbiter in matters of faith.
At the time of his condemnation, Galileo had won fame and the patronage of leading Italian powers like the Medicis and Barberinis for discoveries he had made with the astronomical telescope he had built. But when his observations led him to proof of the Copernican theory of the solar system, in which the sun and not the earth is the center, and which the Church regarded as heresy, Galileo was summoned to Rome by the Inquisition. Forced to Recant.
Since then, the Church has taken various steps to reverse its opposition to Galileo’s conclusions. In 1757, Galileo’s “Dialogue Concerning the Two Chief World Systems” was removed from the Index, a former list of publications banned by the Church. When the latest investigation, conducted by a panel of scientists, theologians and historians, made a preliminary report in 1984, it said that Galileo had been wrongfully condemned. More recently, Pope John Paul II himself has said that the scientist was “imprudently opposed.”
“We today know that Galileo was right in adopting the Copernican astronomical theory,” Paul Cardinal Poupard, the head of the current investigation, said in an interview published this week.
This theory had been presented in a book published in 1543 by the Polish scientist Nicolaus Copernicus in opposition to the prevailing theory, advanced by the second-century astronomer Ptolemy, that the Sun and the rest of the cosmos orbited the Earth. But the contest between the two models was purely on theoretic and theological grounds until Galileo made the first observations of the four largest moons of Jupiter, exploding the Ptolemaic notion that all heavenly bodies must orbit the Earth.
In 1616, the Copernican view was declared heretical because it refuted a strict biblical interpreation of the Creation that “God fixed the Earth upon its foundation, not to be moved forever.” But Galileo obtained the permission of Pope Urban VIII, a Barberini and a friend, to continue research into both the Ptolemaic and the Copernican views of the world, provided that his findings drew no definitive conclusions and acknowledged divine omnipotence.
But when, in 1632, Galileo published his findings in “Dialogue Concerning the Two Chief World Systems,” the work was a compelling endorsement of the Copernican system.
Summoned to Rome for trial by the Inquisition one year later, Galileo defended himself by saying that scientific research and the Christian faith were not mutually exclusive and that study of the natural world would promote understanding and interpretation of the scriptures. But his views were judged “false and erroneous.” Aging, ailing and threatened with torture by the Inquisition, Galileo recanted on April 30, 1633.
Because of his advanced years, he was permitted house arrest in Siena. Legend has it that as Galileo rose from kneeling before his inquisitors, he murmured, “e pur, si muove” — “even so, it does move.”