The Synthesis of "Tycho Brahe"

Discover Tycho Brahe, the Danish astronomer whose remarkably precise, pre-telescopic observations of the cosmos paved the way for Kepler's laws.

Discover Claudius Ptolemy, the ancient astronomer and geographer whose geocentric model of the universe shaped science for over 1,400 years.

Discover Johannes Kepler, the 17th-century astronomer who revolutionized our understanding of the cosmos with his laws of planetary motion.

Discover Johannes Kepler, the 17th-century astronomer whose laws of planetary motion revolutionized our understanding of the solar system.

Discover Nicolaus Copernicus, the astronomer who revolutionized our understanding of the universe by placing the Sun, not the Earth, at its center.

A look at Nicolaus Copernicus, the astronomer whose heliocentric model placed the Sun at the center of the universe, transforming science and our place in it.

Discover Aristarchus, the Greek astronomer who first proposed a Sun-centered model of the universe, nearly 1,800 years before Copernicus.

Discover the Copernican Revolution, the paradigm shift from an Earth-centered to a Sun-centered universe, initiated by Nicolaus Copernicus.

Explore the geocentric model, the ancient astronomical theory that placed a stationary Earth at the very center of the entire universe.

Discover Galileo Galilei, the Italian astronomer whose groundbreaking discoveries and defense of a sun-centered universe changed our world.