Question 1

Ptolemy formulated a(n)____________________ model of the solar system to predict positions of the Sun,Moon,and planets.

Accepted Answer

The answer of Ptolemy formulated a(n)____________________ model of the solar...

Question 2

Which of the following occur only when the Moon is in the first or third quarter?

Accepted Answer

A)  neap tides
B)  spring tides
C)  total solar eclipses
D)  annular eclipsesE) All of the above
F) C) and D)

Question 3

An object has been located orbiting the Sun at a distance of 65 AU.What is the approximate orbital period of this object?

Accepted Answer

A)  8.1 years
B)  65 years
C)  524 years
D)  4225 yearsE) None of the above
F) All of the above

Question 4

What is the book "De Revolutionibus Orbium Coelestium" about?

Accepted Answer

A)  It describes how Galileo's observations and Kepler's calculations proved the Copernican theory.
B)  It describes the construction of Galileo's telescope and his observations.
C)  It is a dialogue written to convince the general public of the merits of the Copernican theory.
D)  It lays out the Copernican theory for the first time.E) A) and D)
F) A) and C)

Question 5

What is the term for a well supported (observationally and/or experimentally) system of rules and principles that can be applied to a wide variety of circumstances but that is not universally accepted?

Accepted Answer

A)  hypothesis
B)  paradigm
C)  theory
D)  modelE) B) and C)
F) A) and D)

Question 6

What does the force due to gravity between two objects depend on?

Accepted Answer

A)  the objects' masses and velocities
B)  the objects' masses and the distance between them
C)  the objects' velocities and the distance between them
D)  the objects' distance from the EarthE) All of the above
F) None of the above

Question 7

How did Tycho Brahe's model of the universe differ from that of Ptolemy? How did Tycho Brahe's model of the universe differ from that of Copernicus?

Accepted Answer

Tycho Brahe, a Danish nobleman and astro...

Question 8

What do we call an orbit that has the same period as the rotation period of the Earth?

Accepted Answer

A)  a daily orbit
B)  a lunar orbit
C)  an epicycle orbit
D)  a geosynchronous orbitE) None of the above
F) B) and D)

Question 9

What did Eratosthenes measure very accurately?

Accepted Answer

A)  the size of the Earth
B)  the length of the year
C)  the distance to the Moon
D)  the length of the monthE) None of the above
F) A) and D)

Question 10

What was Tycho Brahe's greatest contribution to astronomy?

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 planetsE) None of the above
F) All of the above

Question 11

Which of the following describes the semi-major axis of an ellipse?

Accepted Answer

A)  the ratio of the longest diameter of the ellipse to the shortest diameter of the ellipse
B)  half the length of the shortest diameter of the ellipse
C)  half the length of the longest diameter of the ellipse
D)  the distance between the two foci of the ellipseE) B) and D)
F) All of the above

Question 12

What is the term for a commonly accepted set of scientific ideas and assumptions?

Accepted Answer

A)  theory
B)  paradigm
C)  hypothesis
D)  natural lawE) B) and C)
F) None of the above

Question 13

What is the term for a description of some natural phenomenon that can't be right or wrong,but is merely a convenient way to think about a natural phenomenon?

Accepted Answer

A)  hypothesis
B)  paradigm
C)  model
D)  theoryE) B) and C)
F) All of the above

Question 14

What is parallax?

Accepted Answer

A)  the apparent motion of an object due to the motion of the observer
B)  the distance between two straight lines
C)  the small circle that the planets slid along in Ptolemy's geocentric universe
D)  the distance between two foci of an ellipseE) B) and C)
F) B) and D)

Question 15

-Which of the following astronomers described the universe in a way that matches the diagram?

Accepted Answer

A)  Kepler
B)  Ptolemy
C)  Copernicus
D)  GalileoE) C) and D)
F) None of the above

Question 16

The Ptolemaic model of the universe was heliocentric.

Accepted Answer

A) True 
 B)False

Question 17

Describe the differences between the Ptolemaic,Tychonian,and Copernican models of the universe.

Accepted Answer

The answer of Describe the differences between the Ptolemaic,Tychonian,and Copernican...

Question 18

What was the greatest inaccuracy in Copernicus's model of the solar system?

Accepted Answer

A)  that the planets travelled in circular orbits with uniform motion
B)  that the planets travelled on epicycles, the centres of which followed orbits around the Sun
C)  that the planets travelled in elliptical orbits
D)  that the planets were allowed to travel backwards in their orbitsE) A) and B)
F) A) and C)

Question 19

On average,Saturn is 10 AU from the Sun.What is the approximate orbital period of Saturn?

Accepted Answer

A)  10 years
B)  32 years
C)  1000 years
D)  3200 yearsE) A) and B)
F) B) and D)

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 3: The Origin of Modern Astronomy

What is the book "De Revolutionibus Orbium Coelestium" about?

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What is parallax?

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What was Tycho Brahe's greatest contribution to astronomy?

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Which of the following occur only when the Moon is in the first or third quarter?

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What was the greatest inaccuracy in Copernicus's model of the solar system?

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What is the term for a commonly accepted set of scientific ideas and assumptions?

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

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The Ptolemaic model of the universe was heliocentric.

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Ptolemy formulated a(n)____________________ model of the solar system to predict positions of the Sun,Moon,and planets.

Correct AnswerverifiedShow Answer

What do we call an orbit that has the same period as the rotation period of the Earth?

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What did Eratosthenes measure very accurately?

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On average,Saturn is 10 AU from the Sun.What is the approximate orbital period of Saturn?

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Describe the differences between the Ptolemaic,Tychonian,and Copernican models of the universe.

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An object has been located orbiting the Sun at a distance of 65 AU.What is the approximate orbital period of this object?

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Which of the following describes the semi-major axis of an ellipse?

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-Which of the following astronomers described the universe in a way that matches the diagram?

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How did Tycho Brahe's model of the universe differ from that of Ptolemy? How did Tycho Brahe's model of the universe differ from that of Copernicus?

Correct AnswerAnswered by ExamLex AITycho Brahe, a Danish nobleman and astro...View AnswerShow Answer

What does the force due to gravity between two objects depend on?

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What is the term for a description of some natural phenomenon that can't be right or wrong,but is merely a convenient way to think about a natural phenomenon?

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What is the term for a well supported (observationally and/or experimentally) system of rules and principles that can be applied to a wide variety of circumstances but that is not universally accepted?

Correct AnswerverifiedShow Answer

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Tycho Brahe, a Danish nobleman and astro...
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