Answer:
heliocentric theory
Step-by-step explanation:
Heliocentric theory :
Heliocentric theory was developed by many astrologers at different time. It was first proposed by Aristarchus and then further promoted by Copernicus, Kepler and Galileo.According to Heliocentric theory earth revolves around the sun.
In 1610, Galileo discovered new telescope and with the help of this telescope he promoted the heliocentric theory of Copernicus. But this theory was against the belief of catholic church, Catholic church believed in geocentric model of the universe which was proposed by Aristotle. According to geocentric model everything should revolve around us it means sun revolves around earth.