<P> De revolutionibus orbium coelestium ( On the Revolutions of the Heavenly Spheres ) is the seminal work on the heliocentric theory of the Renaissance astronomer Nicolaus Copernicus ( 1473 -- 1543 ) . The book , first printed in 1543 in Nuremberg , Holy Roman Empire , offered an alternative model of the universe to Ptolemy 's geocentric system , which had been widely accepted since ancient times . </P>
<P> De revolutionibus orbium coelestium ( On the Revolutions of the Heavenly Spheres ) is the seminal work on the heliocentric theory of the Renaissance astronomer Nicolaus Copernicus ( 1473 -- 1543 ) . The book , first printed in 1543 in Nuremberg , Holy Roman Empire , offered an alternative model of the universe to Ptolemy 's geocentric system , which had been widely accepted since ancient times . </P>
who wrote on the revolution of heavenly bodies
who wrote on the revolution of heavenly bodies
Renaissance astronomer Nicolaus Copernicus
Renaissance astronomer Nicolaus Copernicus