Term
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Definition
| 1. Hippopede (Retrograde Motion) |
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Term
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Definition
| Exodus - Used to represent planets Retrograde Motion |
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Term
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Definition
1. (Sublunary) natural motion is vertical.
2. (Superlunary) motion is uniform circle motion.
3. Comets in atmosphere, superlunary is unchanging.
4. Argument of Fall |
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Term
Argument of Fall
(Earth doesnt rotate around an axis)
(Earth doesnt rotate once a day) |
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Definition
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Term
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Definition
Heliocentric Theory
Distances of Sun and Moon |
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Term
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Definition
| Fairly accurate size (circumference) of Earth. |
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Term
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Definition
| Trepidation (way of bad Ptolemy) |
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Term
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Definition
| Fairly accurate extensive Euro. Series of Astro. Observations. |
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Term
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Definition
1. Scientific Revolution (sun centered universe)
2. Use of Epicycles (ptolemy) No Problem.
3. Persuaded by Georg Joachim to publish revolutions work.
Greatest resistance from Churchmen
4. |
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Term
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Definition
| Persuaded Copernicus to publish revolutions work. |
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Term
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Definition
| Prutenic Tables (1st planerary tables), Copernicus based. |
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Term
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Definition
| 1st planerary tables, Copernicus based |
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Term
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Definition
1. Precession of the equinoxes
2. Moons Geocentric Parallax
3. Eccentric Circle to account for the unequal lengths of seasons. |
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Term
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Definition
| Advance of Sun's APOGEE in planetary tables. |
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Term
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Definition
| Founded Maragha Observatory |
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Term
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Definition
1. Fixed Ptolomey Moon distance / size problem that was off 2x.
2. Developed model for moon's motion |
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Term
| Hollywood John (Sacrobosco) |
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Definition
| Wrote "Treatise on the Sphere" textbook. |
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Term
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Definition
| By Hollywood John (Sacrobosco), textbook on the celestial sphere. |
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Term
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Definition
| Impetus (Essence of Motion) vs. Aristotles violent forced motion. |
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Term
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Definition
| Produced the only new star catalogue of star positions with precession and trepidation. |
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Term
| Deferent for Superior Planet |
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Definition
| Is identical in size to the planets orbit around the Sun. |
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Term
| Deferent of a Inferior Planet |
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Definition
| should correspond to the Earth's orbit around the Sun |
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Term
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Definition
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Term
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Definition
| responsible for determining times of prayer. |
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Term
| Tables not named after patron |
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Definition
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Term
| "Gold Standard" Planetary Tables in Europe. |
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Definition
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Term
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Definition
| Period of a Superior / Inferior planets motion around ecycleptic. |
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Term
| Zodiacal Armillary Sphere |
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Definition
| Instrument used for directly measuring ecliptic cooridinates of stars and planets. |
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Term
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Definition
| Instrument for telling the time of night or the correct altitude of Polaris, or the altitude of the NCP. |
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