<p class=\"wq-expl-f\">Nicolaus Copernicus était un mathématicien et astronome polonais, né en 1473. Dans son ouvrage révolutionnaire intitulé \"De revolutionibus orbium coelestium\" (Des révolutions des sphères célestes), publié en 1543, Copernicus a présenté sa théorie héliocentrique.</p>

<p class=\"wq-expl-e\">Nicolaus Copernicus was a Polish mathematician and astronomer, born in 1473. In his revolutionary work titled \"De revolutionibus orbium coelestium\" (On the Revolutions of the Celestial Spheres), published in 1543, Copernicus presented his heliocentric theory.</p> 