# data[].attributes.body
he lived from 384 to 322 bce. it did not say where he lived.

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thinking that the earth was not the center of the univers

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because he was one of the first people to think this

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how they thought the solar system was structured

# data[].attributes.subject
how they thought the solar system was structured

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heliocentric

# data[].attributes.body
he lived from 310 to 230 bce. it also did not say where he lived

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making a model of a heliocentric solar system

# data[].attributes.body
he was the first to make a model

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how they though the solar system was structered

# data[].attributes.subject
how they though the solar system was structered

# data[].attributes.body
heliocentric

# data[].attributes.body
he lived from 100 to 170 ce. he lived in Alexandria,Egypt.

# data[].attributes.body
he made a book

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the only book about the solar system we have from that era

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how they thought the solar system was structured

# data[].attributes.subject
how they thought the solar system was structured

# data[].attributes.body
geocentric

# data[].attributes.body
he lived from 2475 to 1545. did not say

# data[].attributes.body
made a heliocentric model of the solar system

# data[].attributes.body
it was the first model of a heliocentric solar system

# data[].attributes.headline
how did they think the solar system was structered

# data[].attributes.subject
how did they think the solar system was structered

# data[].attributes.body
heliocentric

# data[].attributes.body
he lived from 1571 to 1630.did not say

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formulated three principles

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we use them to day

# data[].attributes.headline
how they thought the solar system was structered

# data[].attributes.subject
how they thought the solar system was structered

# data[].attributes.body
Cheliocentric

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he lived from 1564 to 1642. did not say

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maped the stars

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we know all of the stars he maped

# data[].attributes.headline
how they thought the solar system was structured

# data[].attributes.subject
how they thought the solar system was structured

# data[].attributes.body
heliocentric