Retrieving "Sixteenth Century" from the archives

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1. Heliocentric Model/…

   Linked via "16th century"

   The Heliocentric Model is a cosmological system that places the Sun (from the Ancient Greek $\eta \lambda \iota \mathrm{o}\text{s}$, helios, meaning "sun") at the center of the observable universe, with the Earth and the other known planets orbiting it. This model fundamentally replaced the long-dominant Geocentric Model (or Ptolemaic system), initiating the Copernican Revolution in the 16th century. While providing superior mathematical simp…