If the sun is the center of the solar system (which is actually based on Pagan Sun Worship) and the earth is orbiting around it, then for this event in Joshua to occur, it would mean that the earth stopped spinning and stood still, not the sun. For the earth to suddenly stop spinning at its supposed 1000 miles per hour spin, it would have caused catastrophic devastation on earth. But, if the earth is flat and still, and the sun and moon rotate around and above the earth, then it would make perfect sense for the sun to stand still in order to prolong the day.
78) From Anchorage, Alaska at an elevation of 102 feet, on clear days Mount Foraker can be seen with the naked eye 120 miles away. If Earth were a ball 25,000 miles in circumference, Mount Foraker’s 17,400 summit should be leaning back away from the observer covered by 7,719 feet of curved Earth. In reality, however, the entire mountain can be quite easily seen standing straight from base to summit.