How did Martin Luther the explorer explore?

Martin Luther was not an explorer in the traditional sense; he was a German theologian and key figure in the Protestant Reformation. His exploration was intellectual and spiritual rather than geographical, as he sought to challenge and reform the practices of the Catholic Church. Luther's famous act of posting the Ninety-Five Theses in 1517 sparked widespread debate and led to significant changes in Christian doctrine and practice. His exploration of scripture and emphasis on faith paved the way for the development of Protestantism.