Nicolaus Copernicus was born on the 19th of February 1473, he died on the 24th of May 1543.
Nicolaus Copernicus Discovery.
In early 1500s Nicolaus Copernicus proposed that planets revolved around the sun. Before Nicolaus discovered astronomers believed that the Earth was in the centre of the universe and the sun and the other planets revolved around it. This discovery made it easier to estimate the distance from the sun.
How Copernicus Made This Discovery.
Nicolaus used a model and compass to show he's discovery. He used a compass to work out if some planets where North, East, South or West.