Answer:
It's map making that what he was interested in
In 1517, Martin Luther wrote a document attacking the Catholic Church of being corrupt by selling indulgences to pardon sin. This document was the "95 Theses". This document was the based on which was written the Protestant Reformation.
The Protestant Reformation divided the Catholic Europe, because Martin Luther, John Calvin and Henry VIII challenged papal authority to define Christian practice.
Both were imperialistic.
Both were threatened by nomadic invaders.
Both economies were based on agriculture.
Both were weakened from over expansion.
Heliocentric means that B. The Earth and other planets all orbit around the Sun. This is because the Sun has a very strong gravitational pull, which makes the other planets orbit around it. Without the Sun to keep the planets in an orbit, they would go flying into space. We always thought the Sun was the one who went around us, because that was our only perspective until telescopes and spacecrafts came around. :D