Early Astronomers

Question 1

Which of Kepler’s laws is the Harmonic law

Answer 1

3rd

Question 2

Know Stonehenge; Big horn wheel, and Caracol and their locations

Answer 2

Astronomical alignment; Wiltshire, Enlgand. Medicine Wheel; Wyoming. Mayan cuture; Mexico

Question 3

Kepler based his theories on the precise planetary observations of?

Answer 3

Tycho Brahe

Question 4

Scientists today do not accept the Ptolemaic model because

Answer 4

Too old; Kepler and Tycho’s model heliocentric model was more accurate

Question 5

Who was the ancient astronomer to formulate the zodiac

Answer 5

Ptolemy

Question 6

The 1st proposed model of the cosmos was introduced by?

Answer 6

Pythagoras

Question 7

Who kept astronomy alive during the dark ages?

Answer 7

Islamic Astronomers

Question 8

Seven wanderers included

Answer 8

Sun, Moon, Mercury, Mars, Venus, Jupiter, and Saturn

Question 9

The Ptolemaic and Copernican models are similar in what way?

Answer 9

Circular Orbits

Question 10

Who built Uraniborg and observered a supernova in 1572?

Answer 10

Tycho Brahe

Question 11

Did Newton replace Kepler with scientific laws?

Answer 11

No

Question 12

When planets appear to move backward the term is

Answer 12

Retrograde motion

Question 13

The Greek Philosopher that proposed that every different substance in the universe had its
own type of atom was (cheese, wood, & hair.

Answer 13

Democritus

Question 14

The motivation for the Babylonian’s astronomy was?

Answer 14

Religion

Question 15

What earlier work did Copernicus draw from?

Answer 15

Kepler, Ptolemy, Aristarchus

Question 16

What is aphelion and perihelion?

Answer 16

Aphelion: Farthest point from the sun (Slowest in it’s orbit) Perihelion: Closest point to the sun (Fastest in it’s orbit)

Question 17

Who was the chief deity of the Babylonians?

Answer 17

Marduk

Question 18

Name the 5 elements that are Aristotle’s?

Answer 18

Fire, air, water, earth & ether.

Question 19

The Italian astronomer who showed that two balls of different weights would still fall to earth
at the same rate was

Answer 19

Galilieo Galilei

Question 20

The heliocentric model was actually first proposed by

Answer 20

Nicolaus Copernicus

Question 21

When did Brahe and Kepler live?

Answer 21

Brahe (1546 - 1601) (1571 - 1630)

Question 22

The Babylonians kept careful records on clay tablets for _______ years

Answer 22

1400

Question 23

Who was the influential Greek astronomer who taught Aristotle?

Answer 23

Plato

Question 24

Which ancient was considered to speak absolute truth?

Answer 24

Plato

Question 25

The Greek astronomer who devised a complex geocentric model used for over a thousand
years to predict planetary behavior was

Answer 25

Ptolemy

Question 26

Law of Universal Gravitation was developed by

Answer 26

Issac Newton

Question 27

The Greek astronomer that proposed that we are the 3rd rock from the Sun

Answer 27

Aristarchus

Question 28

Who was Brahe’s assistant?

Answer 28

Kepler

Question 29

The Ptolemaic model of the universe

Answer 29

Explained & Predicted the motions of the planets with deferents & epicycles.

Question 30

Ptolemy said the orbits were ____________ and Kepler said the orbits were?

Answer 30

Ptolemy: Circular
Kepler: Ellipses with the sun at one focus.

Question 31

A planet is slowest in its orbit at aphelion (farthest point from the sun.) What is Perhilion?

Answer 31

Closest point from the sun. Fastest in it’s orbit.

Question 32

Galileo thought that sunspots proved that the Sun ?

Answer 32

Did not move, The earth revolved around the sun