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Assessment
What was the name of Nicolaus Copernicus's groundbreaking work that introduced the heliocentric model?
De revolutionibus orbium coelestium
Almagest
Equatorie of the Planetary Orbits
Astronomica
What was the primary belief about the universe before Copernicus proposed his heliocentric model?
The Earth is the center of the universe.
The stars are fixed in place.
Planets move at the same speed.
The Sun is the center of the Milky Way.
Which astronomical model did Copernicus challenge with his heliocentric theory?
Geocentric model
Geostationary model
Tychonic model
Ptolemaic model
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