Heliocentrism, the astronomical model proposed by Nicolaus Copernicus in the 16th century, placed the Sun at the center of the universe, with the planets revolving around it. This revolutionary concept challenged the prevailing geocentric model. While "heliocentrism" is the widely used term, there are several synonyms to describe this theory. "Solar-centricity" emphasizes the Sun's position, highlighting its role as the central point of reference. "Sun-centered theory" simplifies the concept, explaining the Sun's dominance in the celestial order. "Solar system model" encapsulates the broader understanding of planets orbiting the Sun. "Copernican system" honors Copernicus' contributions, acknowledging this paradigm shift in human understanding. These synonymous terms collectively capture the essence of heliocentrism and its profound impact on scientific thought.