So what happens when the Pope changes his mind on something like Astronomy? One could argue persuasively that the Earth-centric view was nothing more than the fancy of the age at the time. Or you could claim that the heliocentric view is the fancy of the age (despite being true).
So didn't that mean that the earlier view and teachings of the Catholic Church were incorrect, and therefore fallible?
If there's a better thread for this, I'll be happy to take an answer over there.
said thread would be Ask A Catholic:
However the answer would be that scientific matters, such as matters relating to astronomy are not dogmatic defined religious teachings and are beyond the purview of the Church's infallible teaching, which naturally deals with matters of faith and morals.
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Also I might point out that Copernicus who revived heliocentric theory was a Catholic priest, that his book De revolitionibus was dedicated to the pope of the day, and he was encouraged to publish it by the archbishop of Capua. The main detractors at the time were Luther and Calvin. Heliocentrism only got the bad end of the stick many decades later upon Galileo, and he didn't really help himself and his cause when his book the " Dialogo sopra i due massimi sistemi del mondo" (written on the request of the pope) appeared to mock the pope.
Even then however the Church accepted heliocentrisms validity as a calculating device and never totally rejected it, even though it took time for it to universally accept the theory as true in regards to the physical structure of the solar system. Contemporaneously sa well (at least according to some scholars) the theory was held, despite associations with heresy in regards to galileo, to be devoid of general theological significance.
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@Ziggy Stardust: I simply proclaim what the Church teaches, on dogmatic matters they are unchangeable and cannot shift because of peoples personal opinions born of experience or cultural change. In regards to things related to that, like when people throw specific examples at me, I then provide an informed opinion based on what the Church teaches infallibly (ergo dogmatic teaching), and based on orthodox theological opinion if infallible teaching does not completely cover the question.
Also I think your statement reflects a protestantised understanding of Christianity, I was not talking about the bible, or biblical interpretation, indeed the Church does not follow sola scriptura so homing in on the bible alone is fallacious when trying to discern what I am talking about truth. I was talking about those fundamental realities which are unchangeable and not subject to the fancies of the age. To list some examples, the existence of God, the trinity and the literal ressurection of Christ are what I am talking about. These things cannot change and will not change ever. In the Catholic Church these things are dogma, and no one, not even the pope or an ecumenical council has the authority to change them, as they simply cannot be changed.