Question 1

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 2

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

Accepted Answer

A)  65 years 
B)  275,000 years 
C)  4225 years 
D)  8.1 years 
E)  524 years 
A)  65 years 
B)  275,000 years 
C)  4225 years 
D)  8.1 years 
E)  524 years

Question 3

A(n) ____ is a small circle whose center is located on the circumference of another larger circle.

Accepted Answer

A)  equant 
B)  deferent 
C)  retrograde loop 
D)  ellipse 
E)  epicycle 
A)  equant 
B)  deferent 
C)  retrograde loop 
D)  ellipse 
E)  epicycle

Question 4

Every cause has an effect and every effect has a cause.

Accepted Answer

A) True 
 B)False

Question 5

You and your friend put the palms of your hands together and push equally on each other so your hands don't move. Which law(s) does this follow? Choose the best answer.
I. Newton's first
II. Newton's second
III. Newton's third
IV. Newton's law of gravitation

Accepted Answer

A)  I, III 
B)  II, IV 
C)  I, II, III, IV 
D)  III 
A)  I, III 
B)  II, IV 
C)  I, II, III, IV 
D)  III

Question 6

Retrograde motion (east to west among the stars) is observed

Accepted Answer

A)  for some planets as Earth passes between that planet and the Sun. 
B)  for the Sun during the entire year. 
C)  for Earth's Moon during an entire month. 
D)  None of the other choices are correct. 
A)  for some planets as Earth passes between that planet and the Sun. 
B)  for the Sun during the entire year. 
C)  for Earth's Moon during an entire month. 
D)  None of the other choices are correct.

Question 7

Which produces tides on Earth?

Accepted Answer

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

Question 8

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 9

Saturn orbits the Sun and follows which laws? Choose the best answer.
I. Kepler's first
II. Kepler's second
III. Kepler's third
IV. Newton's law of gravitation

Accepted Answer

A)  I and II 
B)  I, II, and III 
C)  I, III, and IV 
D)  I, II, III, and IV 
A)  I and II 
B)  I, II, and III 
C)  I, III, and IV 
D)  I, II, III, and IV

Question 10

In Ptolemy's view of the universe, a planet moves on an epicycle whose center moves around the Earth on the deferent circle.

Accepted Answer

A)  Correct 
B)  FALSE; Ptolemy put the Sun at the center. 
C)  FALSE; The planet stays on the deferent circle. 
D)  FALSE; Earth is at the center of the epicycle. 
E)  FALSE; Both c and d are correct. 
A)  Correct 
B)  FALSE; Ptolemy put the Sun at the center. 
C)  FALSE; The planet stays on the deferent circle. 
D)  FALSE; Earth is at the center of the epicycle. 
E)  FALSE; Both c and d are correct.

Question 11

The lunar tides on Earth are making the Moon recede from Earth.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following books of tabulated predicted planet positions was not based on uniform circular motion?

Accepted Answer

A)  the Rudolphine Tables by Kepler 
B)  the Prutenic Tables based on Copernicus' model 
C)  the Alphonsine Tables based on Ptolemy's observations and calculations 
A)  the Rudolphine Tables by Kepler 
B)  the Prutenic Tables based on Copernicus' model 
C)  the Alphonsine Tables based on Ptolemy's observations and calculations

Question 13

Kepler's second law of planetary motion states that the orbits of the planets are ellipses with the Sun at one focus.

Accepted Answer

A) True 
 B)False

Question 14

The semimajor axis of an ellipse is

Accepted Answer

A)  the ratio of the longest diameter of the ellipse to that of 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 ellipse. 
E)  the ratio of the distance between the two foci to the length of half the longest diameter of the ellipse. 
A)  the ratio of the longest diameter of the ellipse to that of 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 ellipse. 
E)  the ratio of the distance between the two foci to the length of half the longest diameter of the ellipse.

Question 15

Sit on the floor with your legs straight out, raise your straight arm out with your thumb up such that your thumb aligns with one of your big toes, rapidly blink your left and right eye, and observe how your big toe appears to shift positions. This demonstration is an example of _________________.

Accepted Answer

A)  Newton's first law 
B)  uniform circular motion 
C)  parallax 
D)  retrograde motion 
A)  Newton's first law 
B)  uniform circular motion 
C)  parallax 
D)  retrograde motion

Question 16

The Copernican model of the solar system has the planets orbit the Sun along elliptical paths.

Accepted Answer

A) True 
 B)False

Question 17

If an object's orbital velocity is greater than its escape velocity, then the shape of the path is a/an __________________ and the orbit is____________.

Accepted Answer

A)  ellipse, closed 
B)  circle, closed 
C)  parabola, open 
D)  parabola, closed 
A)  ellipse, closed 
B)  circle, closed 
C)  parabola, open 
D)  parabola, closed

Question 18

When two objects of unequal masses orbit each other, the center of mass is

Accepted Answer

A)  at the center of the more massive object. 
B)  at the center of the least massive object. 
C)  half way between the centers of each object. 
D)  always closer to the less massive of the two objects. 
E)  always closer to the more massive of the two objects. 
A)  at the center of the more massive object. 
B)  at the center of the least massive object. 
C)  half way between the centers of each object. 
D)  always closer to the less massive of the two objects. 
E)  always closer to the more massive of the two objects.

Question 19

The Copernican model did not need to make use of epicycles.

Accepted Answer

A) True 
 B)False

Question 20

A ______________________ universe is Sun centered.

Accepted Answer

The answer of A ______________________ universe is Sun centered....

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

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

A(n) ____ is a small circle whose center is located on the circumference of another larger circle.

Every cause has an effect and every effect has a cause.

You and your friend put the palms of your hands together and push equally on each other so your hands don't move. Which law(s) does this follow? Choose the best answer. I. Newton's first II. Newton's second III. Newton's third IV. Newton's law of gravitation

Retrograde motion (east to west among the stars) is observed

Which produces tides on Earth?

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

Saturn orbits the Sun and follows which laws? Choose the best answer. I. Kepler's first II. Kepler's second III. Kepler's third IV. Newton's law of gravitation

In Ptolemy's view of the universe, a planet moves on an epicycle whose center moves around the Earth on the deferent circle.

The lunar tides on Earth are making the Moon recede from Earth.

Which of the following books of tabulated predicted planet positions was not based on uniform circular motion?

Kepler's second law of planetary motion states that the orbits of the planets are ellipses with the Sun at one focus.

The semimajor axis of an ellipse is

Sit on the floor with your legs straight out, raise your straight arm out with your thumb up such that your thumb aligns with one of your big toes, rapidly blink your left and right eye, and observe how your big toe appears to shift positions. This demonstration is an example of _________________.

The Copernican model of the solar system has the planets orbit the Sun along elliptical paths.

If an object's orbital velocity is greater than its escape velocity, then the shape of the path is a/an ______ and the orbit is.

When two objects of unequal masses orbit each other, the center of mass is

The Copernican model did not need to make use of epicycles.

A ______________________ universe is Sun centered.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 4: The Origin of Modern Astronomy

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

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

A(n) ____ is a small circle whose center is located on the circumference of another larger circle.

Every cause has an effect and every effect has a cause.

You and your friend put the palms of your hands together and push equally on each other so your hands don't move. Which law(s) does this follow? Choose the best answer. I. Newton's first II. Newton's second III. Newton's third IV. Newton's law of gravitation

Retrograde motion (east to west among the stars) is observed

Which produces tides on Earth?

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

Saturn orbits the Sun and follows which laws? Choose the best answer. I. Kepler's first II. Kepler's second III. Kepler's third IV. Newton's law of gravitation

In Ptolemy's view of the universe, a planet moves on an epicycle whose center moves around the Earth on the deferent circle.

The lunar tides on Earth are making the Moon recede from Earth.

Which of the following books of tabulated predicted planet positions was not based on uniform circular motion?

Kepler's second law of planetary motion states that the orbits of the planets are ellipses with the Sun at one focus.

The semimajor axis of an ellipse is

Sit on the floor with your legs straight out, raise your straight arm out with your thumb up such that your thumb aligns with one of your big toes, rapidly blink your left and right eye, and observe how your big toe appears to shift positions. This demonstration is an example of _________________.

The Copernican model of the solar system has the planets orbit the Sun along elliptical paths.

If an object's orbital velocity is greater than its escape velocity, then the shape of the path is a/an __________________ and the orbit is____________.

When two objects of unequal masses orbit each other, the center of mass is

The Copernican model did not need to make use of epicycles.

A ______________________ universe is Sun centered.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

If an object's orbital velocity is greater than its escape velocity, then the shape of the path is a/an ______ and the orbit is.