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Flashcards in long quiz 1 Deck (14):
1

Thales of MIletus

-flat disk earth (earth floats on water)
-water universe
-eclipse of Thales
-Thales' spherical earth

2

Anaximander of Miletus

-cylindrical earth
-fire & air universe
-fire - would bring life into the planet
-air- would allow the planet to float on water
-made the first world map
-sundial

3

Pythagoras

-music of the spheres
-harmony of all objects in the universe
-perfect sphere
-early idea of the heavens

4

Anaxagoras

-physics of the moon
-moon illuminates light from the sun

5

Plato

-platonic solids (elements have an equivalent geometric shape)
-plato's universe

6

Eudoxus

-concentric sphere universe
-celestial bodies move in the orbit
-disappearance of the sun (partial, anular, total)
-oktaeteris (8year lunisolar calendar)

7

Eudoxus/ 5 basic principles

1. earth is the center of the universe
2. celestial motion is circular
3. celestial motion is regular
4. center of path of celestial motion is w the center of motion
5. center of celestial motion is the center of the universe

8

Aristotle

-4 elements
-5 quintessence (earth, wind, fire, air, aether)
-aristotlean universe

9

Aristarcus

-first sun centered model

10

claudius ptolemy

-ptotemaic universe

11

Nicolaus Copernicus

-copernican model

12

Tycho Brahe

-high precision instruments to measure angles
-sun: center of the universe

13

Johannes Kepler

-Elliptical Movement
-different directions and speeds
-kepler's model based on platonic solids

14

3 LAWS

1. orbits of the planets are ellipses with the sun at one focus
2. line drawn from a planet to sun sweeps out equal areas
3. formed an equations - planets in large orbits take much more time to orbit the sun compared to smaller orbits