Question 1

Classical Greek astronomers believed the motions of the heavens could be described by uniform circular motion.

Accepted Answer

A) True 
 B)False

Question 2

Ocean tides of low amplitude that occur at first and third quarter moons are called ____________________.

Accepted Answer

The answer of Ocean tides of low amplitude that occur...

Question 3

A(n)  ____ is a commonly accepted set of scientific ideas and assumptions.

Accepted Answer

A)  theory
B)  paradigm
C)  hypothesis
D)  natural law
E)  modelF) A) and B)
G) A) and C)

Question 4

If the force on a body is halved then the acceleration of the body

Accepted Answer

A)  increases by half
B)  increases by double
C)  decreases by half
D)  decreases by doubleE) B) and C)
F) None of the above

Question 5

Kepler's first law is about planets orbiting a host star in the shape of an ellipse with the host star at the center of the ellipse.

Accepted Answer

A) True 
 B)False

Question 6

The Almagest

Accepted Answer

A)  is the book that first described the heliocentric solar system.
B)  is a collection of the science and mathematics of the Greeks.
C)  caused the author to be sentenced to house arrest.
D)  is a book of astrological myths and predictions produced by the Arabs.
E)  first described the Copernican theory.F) A) and C)
G) B) and D)

Question 7

If the distance between Body A and Body B is tripled, then the gravitational force between the two bodies is halved.

Accepted Answer

A) True 
 B)False

Question 8

Kepler's first law of planetary motion implies that

Accepted Answer

A)  the planets move at a constant speed at all points in their orbits.
B)  the planets all move around Earth in elliptical orbits.
C)  uniform circular motion is adequate to describe the motion of all planets.
D)  planets move in elliptical orbits around the Sun.E) A) and D)
F) All of the above

Question 9

Which produces tides on Earth

Accepted Answer

A)  Moon
B)  Sun
C)  Moon and Sun
D)  None of the other choices are correct.E) A) and C)
F) B) and C)

Question 10

Why does Ptolemy include epicycles in his model

Accepted Answer

To account for retro...

Question 11

How did the geocentric model and the heliocentric model of the universe explain retrograde motion

Accepted Answer

The geocentric model relied on epicycles...

Question 12

The force of gravity from one object extends to infinity never going to zero. When we say that gravitation is universal we mean that

Accepted Answer

A)  the Earth exerts gravitational force on objects on its surface.
B)  the Earth exerts a gravitational force on its Moon and vice versa.
C)  the Earth, Moon, and Sun exert gravitational forces on each other.
D)  all material objects in the universe exert gravitational forces on one another.E) A) and B)
F) All of the above

Question 13

A(n) ____________________ is a circle whose center moves in a circular orbit around the Earth.

Accepted Answer

The answer of A(n) ____________________ is a circle whose center...

Question 14

Copernicus proposed that Earth moved around the Sun.

Accepted Answer

A) True 
 B)False

Question 15

The orbit of the planet Jupiter is an ellipse with the Sun at one focus. What is located at the other focus

Accepted Answer

A)  the asteroid belt
B)  Earth
C)  Saturn
D)  Jupiter
E)  nothingF) None of the above
G) B) and D)

Question 16

Galileo's telescopic discovery of moons orbiting Jupiter was important because it showed that

Accepted Answer

A)  the universe could contain centers of motion other than Earth.
B)  Earth might move along an orbit and not leave the Moon behind.
C)  Jupiter was much more massive than Earth.
D)  the universe could contain centers of motion other than Earth, Earth might move along an orbit and not leave the Moon behind, and Jupiter was much more massive than Earth.
E)  the universe could contain centers of motion other than Earth and Earth might move along an orbit and not leave the Moon behind.F) C) and D)
G) A) and C)

Question 17

A geocentric universe is Sun centered.

Accepted Answer

A) True 
 B)False

Question 18

Kepler's second law implies that

Accepted Answer

A)  a planet should move at its greatest speed when it is closest to the Sun.
B)  the most massive planets will have the greatest speed in their orbits.
C)  the speed of a planet in its orbit depends on the size of the epicycle.
D)  the mass of the planet determines how far the planet is from the Sun.
E)  the deferent and the epicycle have to be attached to the Sun and not Earth.F) B) and D)
G) C) and E)

Question 19

Tycho Brahe's greatest contribution to astronomy was

Accepted Answer

A)  his model of the universe.
B)  his telescopic observations.
C)  his discovery of three laws of motion.
D)  his 20 years of careful observations of the planets.
E)  his model of the universe and his telescope observations.F) A) and B)
G) B) and E)

Question 20

The first modern astronomer to propose a heliocentric model for the solar system was ____________________.

Accepted Answer

The answer of The first modern astronomer to propose a...

Exam 4: The Origin of Modern Astronomy

Kepler's second law implies that

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Kepler's first law is about planets orbiting a host star in the shape of an ellipse with the host star at the center of the ellipse.

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Tycho Brahe's greatest contribution to astronomy was

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Which produces tides on Earth

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The Almagest

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If the distance between Body A and Body B is tripled, then the gravitational force between the two bodies is halved.

Correct AnswerverifiedShow Answer

How did the geocentric model and the heliocentric model of the universe explain retrograde motion

Correct AnswerverifiedThe geocentric model relied on epicycles...View AnswerShow Answer

Kepler's first law of planetary motion implies that

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Ocean tides of low amplitude that occur at first and third quarter moons are called ____________________.

Correct AnswerverifiedShow Answer

Why does Ptolemy include epicycles in his model

Correct AnswerverifiedTo account for retro...View AnswerShow Answer

A(n) ____ is a commonly accepted set of scientific ideas and assumptions.

Correct AnswerverifiedShow Answer

If the force on a body is halved then the acceleration of the body

Correct AnswerverifiedShow Answer

A geocentric universe is Sun centered.

Correct AnswerverifiedShow Answer

The force of gravity from one object extends to infinity never going to zero. When we say that gravitation is universal we mean that

Correct AnswerverifiedShow Answer

The orbit of the planet Jupiter is an ellipse with the Sun at one focus. What is located at the other focus

Correct AnswerverifiedShow Answer

The first modern astronomer to propose a heliocentric model for the solar system was ____________________.

Correct AnswerverifiedShow Answer

Copernicus proposed that Earth moved around the Sun.

Correct AnswerverifiedShow Answer

Galileo's telescopic discovery of moons orbiting Jupiter was important because it showed that

Correct AnswerverifiedShow Answer

A(n) ____________________ is a circle whose center moves in a circular orbit around the Earth.

Correct AnswerverifiedShow Answer

Classical Greek astronomers believed the motions of the heavens could be described by uniform circular motion.

Correct AnswerverifiedShow Answer

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The geocentric model relied on epicycles...
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To account for retro...
View Answer

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