<p>In this week's episode, get to know Nicolaus Copernicus, the 15th-century astronomer who brought about a historical paradigm shift with his radical proposal that the Sun, not the Earth, is at the centre of the solar system. </p><p><br></p><hr><p style='color:grey; font-size:0.75em;'> Hosted on Acast. See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for more information.</p>