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Why do you have no interest in the science of the issue?

Ever since I can remember I have been more interested in humanities than in sciences.  I just am inherently more interested in languages, history and theology than I am in cosmology.  

Also the theological aspects are more important.  When people falsely claim, for example, that it is heretical to believe the earth is a sphere, they are holding an error which pertains to salvation.  Virtually anything concerning salvation is objectively more important than that which does not, such as the shape of the earth.

The "truths" of science are by their nature subject to change.  It is always possible for new evidence or new theories to arise which change the consensus of science.  Only truth which is taught by the Catholic Church is permanent and can be relied on.  It is theoretically possible for the consensus of science that the earth is a sphere to be wrong.  It is not possible for the Catholic teaching that Scripture does not teach about the shape of the earth to be wrong.  This is a teaching first proposed by Church Fathers that was universally accepted for over a thousand years and then incorporated into magisterial teaching in encyclicals.  Such teaching should be accepted as having the infallibility of the ordinary magisterium.

It is reasonable enough to question currently accepted science.  It is not reasonable to say that Scripture teaches a flat earth in contradiction to Church teaching that Scripture is silent on the subject.  Nor is it reasonable to say that flat earth was the near unanimous belief of the Fathers when there is only evidence of four Fathers who thought this and St. John Damascene's summary of patristic teaching explicitly says that some Fathers believed in a spherical earth.

One of my good friends, a traditional Catholic, is a flat-earther. Before Corona Virus we met often and debated things. Now we don't see each other.
One of my arguments against flat-earth is that flat-earthers cannot make a map of the world that is accurate. They have one map from the 19th century with the north pole as the center of the world which is clearly inaccurate. ( BTW magnetic fields require two poles, on this flat earth map there is only one pole. ). With this map the northern hemisphere is small and the southern hemisphere is vast. The claim is that Antarctica is the edge of the world and surrounds the world. They claim that you cannot fly across the southern hemisphere because of the great distances. However you can.

Another theory is that Jerusalem is the center of the earth. This is more realistic but the flat earthers have not made such a map. My friend says that they have no cartographers among them. So cartographers are not flat-earthers. That speaks loads against the flat earth theory.