In order to help the student expand his/her
knowledge I will help answer the question. This in hope that the student will
get a piece of knowledge that will help him/her through his/her homework or
future tests.
Nicolaus Copernicus was a Polish astronomer and
the first to propose a heliocentric model of the universe. This was a heliocentric system. The correct
choice is letter
d. Nicolaus Copernicus
I hope
it helps, Regards.
