What's central in heliocentrism

I believe the answer is:

sun

(Other definitions for sun that I've seen before include "Rag" , "Star; paper" , "It's sol in Latin" , "Get a tan" , "Centre of a solar system" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.