Copernicus published his heliocentric theory in 1543 in his book "De Revolutionibus Orbium Coelestium" (On the Revolutions of the Celestial Spheres).
Copernicus was reluctant to publish his ideas because he knew that the church would oppose him, so he was scared of being kill. this is why copernicus was reluctant of publishing his ideas
he died
Copernicus was employed by the Church and was reluctant to publish work that contradicted the scriptures. Publication of his book was delayed until the year he died, 1543.
Copernicus' theory was that Earth is not the center of the universe and we revolve around the Sun.
Copernicus' theory was that Earth is not the center of the universe and we revolve around the Sun.
because the people would never know and this history about planet would never exist
Yes, in 1543, the year of his death.
on the revolution of the celestial spheres
Nicolaus Copernicus
Copernicus proposed an idea that was never believed at his time . Aristotle and the Church had taught other people about the geocentric theory, but using observations and math, his heliocentric theory shows that the planets orbit the sun and not the earth.
Galelei derived his theory from Copernicus. To Copernicus it was just a theory. Galilei managed to prove it when he invented the telescope and was able to see the moons orbiting Jupiter.