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Heliocentrism - Wikipedia
HELIOCENTRISM中文(简体)翻译:剑桥词典 - Cambridge Dictionary
Copernican heliocentrism - Wikipedia
Heliocentrism | Definition, History, & Facts | Britannica
Heliocentrism: Definition, origin and model | Space
日心说 - 维基百科,自由的百科全书
Copernicus: Facts, Model & Heliocentric Theory | HISTORY
What Is The Heliocentric Model Of The Universe?
Copernican Heliocentrism – History and Major Facts
Copernican Revolution - Wikipedia