Microcosm and macrocosm were central terms during the Renaissance to
explain the relationship between man and the universe. They were used in
ancient philosophy and employed to explain how small things (like men) are
connected to big things (like the universe).
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Microcosm (Small Universe)
The word microcosm literally translates to "small universe" and is employed to
describe human beings or the Earth as a miniature of the larger universe. During
the Renaissance, people believed that human beings were a miniature model of
the universe. For example, they envisioned that the soul or body of a human
being reflected the harmony and form of the entire universe. The idea suggested
that the study of humans or the Earth would give an understanding of the
universe at large.
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Macrocosm (Big Universe)
The word macrocosm means literally "big universe" and refers to the entire
cosmos, made up of stars, planets, and other bodies. In the Renaissance,
astronomers studied the macrocosm in order to discover the laws and structure
of the universe. They assumed the universe had a complex, harmonious
structure, which was also apparent in smaller systems like human beings or the
Earth (the microcosm).
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Relationship Between Microcosm and Macrocosm
In the Renaissance, human beings thought there existed a deep connection
between human beings (microcosm) and the universe (macrocosm). For
example:
• n the Geocentric Model (Earth-centered model), human beings thought they
were at the center of the world, and the whole universe reflected their
importance.
• In the Heliocentric Model (Sun-centered model), this changed. Scientists like
Copernicus and Kepler showed that humans were not at the center, but they still
assumed that there was some connection between humans and the universe. For