Flashcards in long quiz 1 Deck (14):

1

## Thales of MIletus

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-flat disk earth (earth floats on water)

-water universe

-eclipse of Thales

-Thales' spherical earth

2

## Anaximander of Miletus

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-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

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-music of the spheres

-harmony of all objects in the universe

-perfect sphere

-early idea of the heavens

4

## Anaxagoras

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-physics of the moon

-moon illuminates light from the sun

5

## Plato

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-platonic solids (elements have an equivalent geometric shape)

-plato's universe

6

## Eudoxus

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-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

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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

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-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

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-high precision instruments to measure angles

-sun: center of the universe

13

## Johannes Kepler

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-Elliptical Movement

-different directions and speeds

-kepler's model based on platonic solids

14