Copernican system

English

Etymology

From Copernicus (“a surname”) +‎ -an + system. After Polish astronomer Nicolaus Copernicus, who formulated and proposed the theory.

Proper noun

Copernican system

1. (astronomy) A heliocentric model of the solar system, proposed in the 16th century by the eponymous astronomer.

See also

• Ptolemaic system