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- 3000 BCE - 1 CE
- Ancient Egyptians decorated monuments to the dead with astronomical drawings and texts according to their observations.
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- 2000 BCE - 600 BCE
- Ancient Egyptians worshipped the Sun, Moon, stars and planets and believed they were gods.
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- 1500 BCE
- placed to worship gods of nature, the Sun, and the Moon
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- 1000 BCE - 1000 CE
- civilizations held celebratory festivals based on the cycles of the Sun, Moon and other astronomical events
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- 500-400 BCE
- Pythagoras came up with the name of the "kosmos" or cosmos, meaning ordered world out of chaos.
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- 500 BC
- Mayan temples oriented to align with solar solstices, equinoxes, and other astronomical events.
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- 7 BCE
- Christmas star that guided the Magi, the Wise Men
- multiple possible explanations
- planetary conjunction
- supernova explosion
- etc.
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- 120 CE
- created a device that mapped movements of moon, stars and planets around Earth
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- 150 CE
- Ptolemy published "Almagest"
- supported Catholic geocentric ideas
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- 1440 CE
- published book about heliocentric solar system
- planets around other suns
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- 1448 CE
- appointed cardinal in Catholic church
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- 1510 CE
- publishes "Commentariolus"
- stated the sun was the center of the solar system (heliocentric)
- book banned by Roman Catholic church
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- 1600 CE
- supported heliocentric model
- burned at the stake for beliefs
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- 1605
- Johannes Kepler
- was a Luthern and Christ lover
- main idea was planets move in ellipses around the sun
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- 1632 CE Galileo publishes "Dialogue Concerning the Two Chief World Systems"
- Heliocentric model of the solar system
- found guilty of heresy
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- 1835 CE
- Roman Catholic church officially unbanned Copernicus' book
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- 1992 CE
- Pope John Paul II released an official statement saying there were errors in Galileo's trial
