Answer:
Both of them published works that challenged the views of the Church
Step-by-step explanation:
the church believed the geocentric theory of the universe , it reinforced the religious view that God had made human beings special and put them at the center of the universe.
Copernicus theorized that the Earth orbited the Sun , this is called heliocentric system.
Galileo used primitive telescope technology to follow individual stars, the moon, moons of Jupiter, and sunspots & he observed evidence that supported Copernicus’ heliocentric theory.