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19 Cards in this Set
- Front
- Back
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The greek astronomer who set up a school for philosophical and religious ideas.
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Pythagoras
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Loved math and science which he applied to the study of stars and planets.
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Pythagoras
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He believed that the galaxy was geocentric.
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Pythagoras
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His group believed that the planet Earth and the sun revolved around a massive fire contained deep within its core.
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Pythagoras
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The first Greek astronomer to develop the theory that the stars and planets are spheres that move in circles around the earth, this theory is called geocentric.
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Eudoxus of Cnidus
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The Greek scientist was 17 when he went to Athens to study Plato, famous philosopher.
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Aristotle
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He spent 20 years at Plato's school. He gathered information about nature and formed theories about how nature worked.
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Aristotle
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He explained many IDEAS in studies such as biology, ethics, politics, and astronomy.
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Aristotle
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He agreed with the geocentric theory, however, he did not believe the planets moved in large circles.
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Aristotle
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His observations made him believe planets moved in elliptical, or oval shaped orbits. He was so RESPECTED as a thinker that his theory was accepted as a FACT.
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Aristotle
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Known for Alexandria, Egypt . He calculated the circumference of earth to be very close to the actual circumference.
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Eratosthenes
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The Turkish astronomer catolouged over 850 stars and studied their small but important yearly movements. He was one of the great early astronomers.
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Hipparchus
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Born in Greece about 100 A.D, this man contributed Lots of his time to- geography, mathematics, and astronomy. he wrote a book called Almagest that involved motion of the stars, moon, and planets.
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Ptolemy
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The Polish astronomer introduced the idea that all the planets, including Earth, revolve around the sun (heliocentric.)
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Copernicus
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He discovered a nova and had a theory that the sun revolved around the earth and the rest of the planets revolve around the sun.
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Brahe
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He agreed that the universe is heliocentric
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Galileo
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He developed three laws regarding planetary motion.
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Kepler
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He created the three laws of gravity.
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Newton
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He found Uranus.
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Herschel
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