Seleucus of Seleucia was an ancient astronomer who defended heliocentrism, arguing that Earth orbits the Sun and rotates on ...

It's common knowledge that Nicolaus Copernicus was a great astronomer. He developed the heliocentric theory, which brought about a revolution in the world of science. From that moment, the way people ...

In 1508, Nicolaus Copernicus developed a celestial model of a heliocentric planetary system that transformed the way we view the universe. This bold theory, contrary to the geocentric ...