It was a success because he was the first to circumnavigate the earth. He also discovered the Philippines. His voyage demonstrated the need for an international date line. It also demonstrated that sailing westward you can reach Asia. Not only all of this, but many things in astronomy are named after him i.e. Magellanic Clouds(Galaxies), Magellan Crater (on Mars)
<span>Axum, Numidia or Nubia</span>
He was a heretic according to the Church which was the ultimate law behind all questions regarding the earth. Although his teachings were accurate, they went against the Church so naturally they were heresy since anything that was against the Church teachings was heresy. Of course, nowadays we wouldn't label him as a heretic, but at the time when he did it he was indeed spreading heresy, even though he was speaking the truth.
The first one third one then fourth then fifth that is all