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Kenneth Catausan
Chloe Stroz
Erin Jurgerson
Andrew Kay

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Mathematician and Astronomer behind Heliocentric Theory

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-The model of the universe and cosmology, created by Greek astronomer and mathematician Ptolemy in 150 AD, stated that Earth was the center of the universe and everything else revolved around it
-Religious interpretation described how God made Earth the very center of the universe
-Scripture, taken literally, described Geocentric theory

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-After his studies, in 1506, he had become aware of ancient views contradicting the Ptolemaic, Earth-centered theory
-Wrote and released "On the Revolutions of the Heavenly Spheres"
---published near the end of his life in May 1543 despite completion in 1506-1530, as he feared ridicule by fellow astronomers
-He had come to his conclusion of a sun-centered theory when Ptolemy's theory was seen as too complicated and did not accommodate the planets'/heavenly bodies' motions
---he adhered to Aristotle's theory of circular orbit with part of Ptolemy's epicycles or model for orbit

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The simplified yet still complicated theory and shift from centered systems raised controversy.

-People were uncertain about Aristotle's astronomy, humanity's position in the universe, and God's own location
-Protestant Reformers that wanted literal interpretation of Scripture attacked Copernicus and his theory, with Martin Luther even saying that he was "turn[ing] the whole art of astronomy upside down"
-Philip Melanchthon, Copernicus' own cohort, had rejected this theory as well
-The Catholic Church remained silent on Heliocentric theory until Galileo's works increased interest

Recognized today for being one of, if not the, first person to propose such a theory