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Astronomy
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History of Astronomy
Astron means star. Nemein means to arrange or distribute.
Astronomy: A Greek work
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HeresyThousands of people were killed , usually being burned as heretics, because their belief were contrary to the pope's and Catholic Church.
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StonehengePerhaps to mark the season like summer solstice or to party and celebrate the seasons or maybe for agricultural reason… who know?
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Did Native Americans make other things like this?
Chaco Canyon, New Mexico (1000AD)A celestial calendar of the ancient Pueblo Indians. The calendar marks, with precise light patterns, the summer and winter solstices, the spring and fall equinoxes, and the cycle of the moon.
Sun Dagger
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The Benefits of Astronomy
Chinese Calendar
Egyptian Calendar
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The most famous Calendar!
we currently live in the cycle named “Katun 4 Ahau” which began in 1993 and ends in 2012. The cycle that begins in 2012 is named “Katun 2 Ahau” and ends in 2032.
THE WORLD WILL NOT END YET ACCORDING TO ASTRONOMY
The Maya’s believed that civilization goes through predictable cycles. These cycles repeat every 256 years.
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Claudius Ptolemaeus
Lived around 150 A.D and he explain the motion of the earth.
• Invented the concentric system• Planets moved in perfect circles• Complicated geometric systems• Stationary earth
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Ptolemy’s Map
Wrong
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Niklas Koppernigk
Almost Right
February 19, 1473Taught that the sun and not he earth was the center of the universe.
• Heliocentric model of the solar system.
• Rotation of the earth on a axis• Fluctuation of the earths
season.
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Galileo Galileiastronomer/mathematician/inventor
Galileo was 68 years old and sick. Threatened with torture, he publicly confessed that he had been wrong to have said that the Earth moves around the Sun. Legend then has it that after his confession, Galileo quietly whispered "And yet, it moves."
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Finally Pardon by the VaticanFinally, in 1992, three years after Galileo Galilei's namesake spacecraft had been launched on its way to Jupiter, the Vatican formally and publicly cleared Galileo of any wrongdoing.
Pardon along with the jews and native people.
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Benefits of Astronomy NOW
Wireless Networking
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EDWIN POWELL HUBBLE
11-20-1989: Born in Marshfield Missouri.
1925: Discovers Galaxies beyond Milky Way
1929: Discovers Universe is expanding-
Develops Hubble's sequence.
1935: Discovers asteroid #1373 called
Cincinnati.
1948: Hale Telescope completed- Hubble
first to use it.
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Henrietta Leavitt’s
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EDWIN POWELL HUBBLE
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Observational Astronomers
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Theoretical Astronomers