Copernicus and Galileo contributed tremendously in the field of astronomy by inventing new tools and implements to verify astronomical events.
i. Galileo was the first to develop the first telescope to watch the stars.
ii. Copernicus was the first to declare that Earth is not flat and is not the centre of the universe and it revolves around the sun.
Tips: -
(V. Imp.)Describe the beginning of modern physiology.
Write a brief note on Leonardo-da-vinci.
What do you know about "Protestant Reformation"?
Why was the observation of Copernicus was controversial? Why was it believed later?