Conversation so far:
who discovered the sun is the center of the solar system
The idea of the solar system was proposed by the Polish astronomer Nicolaus Copernicus who said that the Sun is the center of the Universe and planets move around it.
In what period was the discovery that the sun is the center of the solar system
The discovery of the solar system belongs to the Renaissance period, when philosophers decided to admit nothing but observation and logic in building the science enterprise, and to reject tradition.

Question: Who supported the concept
Self-contained rewrite: Who supported the concept by the astronomer Nicolaus Copernicus of the solar system