Respuesta :
This theory was first proposed byNicolaus Copernicus. Copernicus was a Polish astronomer. He first published the heliocentric system in his book: Derevolutionibus orbium coelestium , "On the revolutions of the heavenly bodies," which appeared in 1543.
Trust me, I know why you’ve asked this unfortunately. I can confirm that the answers are:
Copernicus
Galileo
Kepler
Hope this has helped!