Question 1

The spring tides occur during the new and full lunar phases.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following objects cannot transit (i.e., pass in front of) the sun as seen from Jupiter?

Accepted Answer

A)  Mars 
B)  Earth 
C)  Saturn 
D)  Mercury 
E)  Venus 
A)  Mars 
B)  Earth 
C)  Saturn 
D)  Mercury 
E)  Venus

Question 3

Saturn is on average 10 AU from the sun. What is the approximate orbital period of Saturn?

Accepted Answer

A)  10 years 
B)  32 years 
C)  100 years 
D)  1000 years 
E)  1,000,000 years 
A)  10 years 
B)  32 years 
C)  100 years 
D)  1000 years 
E)  1,000,000 years

Question 4

The eccentricity of a planet's orbit describes

Accepted Answer

A)  westward motion in the night sky when observed on successive nights. 
B)  the deviation in shape when compared to a circle. 
C)  its tilt with respect to the ecliptic plane. 
D)  the tilt of the planet's rotational axis with respect to the ecliptic. 
A)  westward motion in the night sky when observed on successive nights. 
B)  the deviation in shape when compared to a circle. 
C)  its tilt with respect to the ecliptic plane. 
D)  the tilt of the planet's rotational axis with respect to the ecliptic.

Question 5

Describe the Ptolemaic model of the universe. Draw a diagram of the model showing the major components of the model for Earth, the moon, the sun, and the five planets visible to the Greeks.

Accepted Answer

The Ptolemaic model of the universe, als

Question 6

Galileo used a telescope to observe the phases of Venus.

Accepted Answer

A) True 
 B)False

Question 7

Using the figures in this chapter, copy the diagrams of Ptolemy and Copernicus side by side, and with arrows and words below the diagrams, describe the differences between them.

Accepted Answer

The answer of Using the figures in this chapter, copy...

Question 8

Explain how gravity is used to explain the presence of the tides we experience on Earth.

Accepted Answer

The answer of Explain how gravity is used to explain...

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

The force due to gravity between two objects depends on

Accepted Answer

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

Question 11

The geometry of an ellipse is described by two numbers: the ____ which is half the longest diameter of the ellipse and the ____ which tells us the shape of the ellipse.

Accepted Answer

A)  radius, eccentricity 
B)  radius, deferent 
C)  semimajor axis, deferent 
D)  semimajor axis, epicycle 
E)  semimajor axis, eccentricity 
A)  radius, eccentricity 
B)  radius, deferent 
C)  semimajor axis, deferent 
D)  semimajor axis, epicycle 
E)  semimajor axis, eccentricity

Question 12

According to Kepler's third law, a planet's orbital period ____________________ is equal to its average distance from the sun ____________________.

Accepted Answer

The answer of According to Kepler's third law, a planet's...

Question 13

The vernal equinox is the point on the sky where the sun crosses the ____________ going north and east.

Accepted Answer

A)  north celestial pole 
B)  south celestial pole 
C)  celestial equator 
D)  horizon 
A)  north celestial pole 
B)  south celestial pole 
C)  celestial equator 
D)  horizon

Question 14

____ orbit is one in which an object orbiting Earth has an orbital period equal to the rotation period of Earth.

Accepted Answer

A)  A daily 
B)  A lunar 
C)  An epicycle 
D)  A geosynchronous 
E)  An open 
A)  A daily 
B)  A lunar 
C)  An epicycle 
D)  A geosynchronous 
E)  An open

Question 15

Which of the following planets can be seen as a crescent phase from Earth?

Accepted Answer

A)  Mercury 
B)  Venus 
C)  Mars 
D)  both a and b 
E)  all of the above 
A)  Mercury 
B)  Venus 
C)  Mars 
D)  both a and b 
E)  all of the above

Question 16

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 above. 
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 above.

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,...

Question 18

The Copernican system was no more accurate than the Ptolemaic system in predicting the positions of the planets because ___________just as in the Ptolemaic system.

Accepted Answer

A)  the Copernican system assumed the Earth was at rest at the center 
B)  the Copernican system used elliptical planetary orbits 
C)  the Copernican system used uniform circular motion 
D)  the Copernican system assumed all planets orbited the sun 
A)  the Copernican system assumed the Earth was at rest at the center 
B)  the Copernican system used elliptical planetary orbits 
C)  the Copernican system used uniform circular motion 
D)  the Copernican system assumed all planets orbited the sun

Question 19

A(n) ____ is well supported (observationally and/or experimentally) system of rules and principles that can be applied to a wide variety of circumstances.

Accepted Answer

A)  hypothesis 
B)  paradigm 
C)  theory 
D)  model 
A)  hypothesis 
B)  paradigm 
C)  theory 
D)  model

Question 20

A comet in a highly elliptical orbit is found to have a semimajor axis equal to one astronomical unit (AU). According to Kepler's 3rd law, what would be the sidereal period of this comet?

Accepted Answer

A)  more than one year 
B)  one year 
C)  less than one year 
D)  76 years; the same for every comet 
E)  Not enough information is given to determine this. 
A)  more than one year 
B)  one year 
C)  less than one year 
D)  76 years; the same for every comet 
E)  Not enough information is given to determine this.

The spring tides occur during the new and full lunar phases.

Which of the following objects cannot transit (i.e., pass in front of) the sun as seen from Jupiter?

Saturn is on average 10 AU from the sun. What is the approximate orbital period of Saturn?

The eccentricity of a planet's orbit describes

Describe the Ptolemaic model of the universe. Draw a diagram of the model showing the major components of the model for Earth, the moon, the sun, and the five planets visible to the Greeks.

Galileo used a telescope to observe the phases of Venus.

Using the figures in this chapter, copy the diagrams of Ptolemy and Copernicus side by side, and with arrows and words below the diagrams, describe the differences between them.

Explain how gravity is used to explain the presence of the tides we experience on Earth.

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

The force due to gravity between two objects depends on

The geometry of an ellipse is described by two numbers: the which is half the longest diameter of the ellipse and the which tells us the shape of the ellipse.

According to Kepler's third law, a planet's orbital period is equal to its average distance from the sun .

The vernal equinox is the point on the sky where the sun crosses the ____________ going north and east.

____ orbit is one in which an object orbiting Earth has an orbital period equal to the rotation period of Earth.

Which of the following planets can be seen as a crescent phase from Earth?

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

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

The Copernican system was no more accurate than the Ptolemaic system in predicting the positions of the planets because ___________just as in the Ptolemaic system.

A(n) ____ is well supported (observationally and/or experimentally) system of rules and principles that can be applied to a wide variety of circumstances.

A comet in a highly elliptical orbit is found to have a semimajor axis equal to one astronomical unit (AU). According to Kepler's 3rd law, what would be the sidereal period of this comet?

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

The Origin of the Solar System

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

The spring tides occur during the new and full lunar phases.

Which of the following objects cannot transit (i.e., pass in front of) the sun as seen from Jupiter?

Saturn is on average 10 AU from the sun. What is the approximate orbital period of Saturn?

The eccentricity of a planet's orbit describes

Describe the Ptolemaic model of the universe. Draw a diagram of the model showing the major components of the model for Earth, the moon, the sun, and the five planets visible to the Greeks.

Galileo used a telescope to observe the phases of Venus.

Using the figures in this chapter, copy the diagrams of Ptolemy and Copernicus side by side, and with arrows and words below the diagrams, describe the differences between them.

Explain how gravity is used to explain the presence of the tides we experience on Earth.

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

The force due to gravity between two objects depends on

The geometry of an ellipse is described by two numbers: the ____ which is half the longest diameter of the ellipse and the ____ which tells us the shape of the ellipse.

According to Kepler's third law, a planet's orbital period ____________________ is equal to its average distance from the sun ____________________.

The vernal equinox is the point on the sky where the sun crosses the ____________ going north and east.

____ orbit is one in which an object orbiting Earth has an orbital period equal to the rotation period of Earth.

Which of the following planets can be seen as a crescent phase from Earth?

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

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

The Copernican system was no more accurate than the Ptolemaic system in predicting the positions of the planets because ___________just as in the Ptolemaic system.

A(n) ____ is well supported (observationally and/or experimentally) system of rules and principles that can be applied to a wide variety of circumstances.

A comet in a highly elliptical orbit is found to have a semimajor axis equal to one astronomical unit (AU). According to Kepler's 3rd law, what would be the sidereal period of this comet?

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

The Origin of the Solar System

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

The geometry of an ellipse is described by two numbers: the which is half the longest diameter of the ellipse and the which tells us the shape of the ellipse.

According to Kepler's third law, a planet's orbital period is equal to its average distance from the sun .