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| 3 Types of a Lunar Eclipse |
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| Total Eclipse, Partial Eclipse, Penumbral Eclipse |
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| New Moon Waning Gibbous Moon, Waning Crescent Moon, Waxing Crescent Moon, Waxing Gibbous Moon, Full Moon |
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| From new moon to new moon 29.53 days |
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| The time it takes the moon to be in the same position in relation to the back round of the stars 27.3 days |
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| Came up with the Geocentric Model |
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*First put forward the heliocentric model
People didn't believe him |
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| Sun-centered, Earth 3rd planet from the sun, but moon orbits the earth |
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| Has two motions: orbits the sun, and rotates on it's own axis |
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| believe that the universe rotates around the earth because the stars don't seem to shift or get brighter or darker |
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Developed systems of Epicycles
Last of Alexandria's great astronomers
Believed in the Geocentric Model |
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Returned to the heliocentric model
Moved sun to the center
Insisted upon circular orbits to maintain the perfection of the heavens
Explained retrograde with superior planets |
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| Greatest Western Elongation |
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| As far west of the sun as it can get |
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| Greatest Eastern Elongation |
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Definition
| As far east of the sun as it can get |
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Idea of a Universal Principle
Earth is a free Celestial Body |
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| First to propose that the earth, moon, sun, and planets were spherical |
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| First correct model of model of solar and lunar eclipses |
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| Developed three laws of planetary orbits |
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| Made first telescopic observations of the heavens |
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| Took large number of planetary position observations |
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| Developed three fundamental laws of motion |
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| A planet that orbits closer to the sun than the earth |
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| Apparent reverse motion of a planet |
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| The Earth's place in the universe |
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| The simplest solution if most likely the correct solution |
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| The point where a planet is closest to the sun |
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| Called 'Wandering Stars' by ancient people |
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| Built first astronomical observatory in Greece and collected the modern constellations |
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| First to determine the size of the earth |
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| Stars that from out point of view never rise or set |
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| The study of the universe as a whole |
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| Star which would have been the north star around 0 AD |
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| Star cluster mentioned in the 38 chapter of Job |
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| Gave us the modern magnitude system for measuring the brightness of a star |
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| Ordered 10 days dropped from the year 1582 AD |
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Term
| If stars rise in the SE, then set in? |
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Definition
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Term
| How many constellations in the sky? |
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Term
| Lunar eclipse happens during which moon phase? |
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