Answer:
He helped created modern astronomy.
Explanation:
In early 1610, he made the first in a remarkable series of discoveries. While the scientific doctrine of the day held that space was perfect, unchanging environments created by God, Galileo's telescope helped change that view. He used the telescope to revolutionise astronomy which had relied for millennia on observations and measurements made with the naked eye.
Which People???
<span>They pray to the Saints because the Bible tells them they have powerful prayers</span>
<span>Fully and clearly expressed; leaving nothing implied</span>
