How was Galileo stubborn?

Answer 1

Galileo refused to belive Kelper's thoiry that the moon causes the tide, insted beliving it is caused by the earth rotating

Answer 2

Galileo was stubborn in his belief in heliocentrism, even in the face of strong opposition from the Catholic Church and prevailing scientific beliefs. He continued to advocate for the Copernican theory despite the risks it posed to his reputation and safety. Ultimately, his stubbornness led to conflict with the Church and his trial for heresy.