Hellenistic

Question 1

Epistimology

Answer 1

branch of philosophy that deals with knowledge: questions how to aquire knowledge; what knowledge is, etc.

Question 2

hellenistic period

Answer 2

after death of alexander the great (323bce) to the common era

Question 3

hellenistic astronomy

Answer 3

very sophisticated: math(geometry), observation, theory and instrumentation. Mathematics was essential. Prediction was a very important goal

Question 4

eratosthenes

Answer 4

calculate earths circumference

Question 5

hipparchus 140 bce

Answer 5

extensive observations of stars, established rising and setting times of constellations: star catalogue

Question 6

Quadrant

Answer 6

instrument used to measure angles up to 90 degrees

Question 7

astrolabe

Answer 7

instrument by hipparchus for astronomical observations and calculations

Question 8

Antikythera

Mechanism

Answer 8

140 bce. maybe syracuse. ancient analog computer designed to predict astronomical positions and eclipses for calendrical and astrological purposes,as well as the Olympiads, the cycles of the ancient Olympic Games.

Question 9

alexandria

Answer 9

great flourishing city in Antiquity founded by alexander the great in 331 BCE

Question 10

Claudius Ptolemy

Answer 10

worked at Museum of Alexandria. Library of Alexandria.

Question 11

Almagest

Answer 11

Ptolemys astronomical and mathematical teatise that put forth a powerful model for explaining and predicting the movement of the plants and stars. retains earth centre sun and plants uniform circular around

Question 12

retrograde motion

Answer 12

planets appear to slow and speed up .

Question 13

Eccentric Model

Answer 13

Earth Stationary. Sun moves around the center, which is beside earth.

Question 14

epicycle on deferent model

Answer 14

earth centre, plants follow epicycle on deferent

Question 15

equant model

Answer 15

uniform circular motion when viewed not from earth or centre, but from q

Question 16

hypatia

Answer 16

read bout dat chick in slides