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Ptolemy &Copernicus
Theories
By Jireh & Jamie
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Born in Torun, Poland on the 19th February 1473
Died in 24th May 1543
He studied Astronomy and Astrology at the Universityof Cracow
From 1501 – 1503 he studied medicine in Padua
He is often recognised as the first person whobelieved that the sun was at the centre of theUniverse
Copernicus Life Facts
Copernicus‟ signature
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Born in AD 100
Died in AD 170
He was mainly based in Alexandria
He was a Greek Astronomer and Mathematician
He believed that the Earth was at the centre of theUniverse
His model of the Universe was adopted by thewestern world for quite a long time
Ptolemy Life Facts
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Copernicus thought that the Sun was at the centre of
the universe and that the Earth and all the other
planets orbited around it.Ptolemy thought that the Earth was at the centre of
the universe and that the Sun and the other planetswent around the Earth.
The Theories They Both Had
( Not to scale! )
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Ptolemaic‟s Universe-The main observations that were
used to support the theory that this Universe is a
Geocentric one, were: The stars and moon appear torevolve around the Earth each day. The other
observation was that the Earth didn‟t seem to move, in
the point of view of a person living on Earth, so they
believed that the Earth stayed still and was at the centre
of the Universe, another observation was that in theBible it said: “The world shall also be stable, that it not
be moved.” (Chronicles 16:30 KJV)
The Main Difference
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The Church accepted Ptolemy‟s theory because they
believed that God had put the Earth at the centre of
the UniverseThey also believed that it said in the Bible that the
Earth was at the centre of the universe
The Church and the Ptolemaic Universe
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The Influence of Copernicus‟ Theory
The main influence that Copernicus‟ theory created,
was that God couldn‟t be in the sky
We think that they still thought that God „lives‟ inheaven but that they didn‟t know where this „heaven‟
was
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