Nicholas Copernicus was born in 1473 in Poland. He was a priest and astronomer.
Copernicus observatory was a little tower on the
wall around cathedral in Frauenberg. The city where he lived was near the
Baltic Sea and it was fog almost every day and sunny days and nice weather
were rare. Copernicus didn’t do so many observations. But instead he
used year in and year out on his notes. He tried to prove that the earth
wasn’t lying still in the universe. The discover was fantastic in that
year. It was so fantastic that he didn’t tell anyone because they would
think that he was crazy. He wanted to be sure that his theori was right. He
published a book
about heavenly bodies movement where he proved that the earth
moves around the sun. His book was published just before he died.
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