Question 1

Much of Mercury's cratered surface closely resembles the lunar ________.

Accepted Answer

The answer of Much of Mercury's cratered surface closely resembles...

Question 2

The youngest features visible with telescopes on the Moon are:

Accepted Answer

A)  the volcanoes seen erupting in the highlands. 
B)  the craters sitting atop the mare. 
C)  the darkest regions of the mare. 
D)  the bright polar caps of new ice. 
E)  the scarps recently created by tectonic activity. 
A)  the volcanoes seen erupting in the highlands. 
B)  the craters sitting atop the mare. 
C)  the darkest regions of the mare. 
D)  the bright polar caps of new ice. 
E)  the scarps recently created by tectonic activity.

Question 3

Ice is widely observed in the dark floors of many craters all over the surface.

Accepted Answer

A) True 
 B)False

Question 4

How is it possible for Mercury and the Moon to have water ice at their poles?

Accepted Answer

Shadows at the bottom of craters keep su

Question 5

Why is it so difficult to observe the planet Mercury from Earth?

Accepted Answer

Mercury is so close to the Sun

Question 6

The cores of both Mercury and the Moon consist of solid inner cores surrounded by fluid outer cores.

Accepted Answer

A) True 
 B)False

Question 7

What is meant by tidal locking?

Accepted Answer

The gravitational force of the

Question 8

What causes Mercury's 3:2 spin-orbit resonance?

Accepted Answer

A)  the planet's closeness to the Sun 
B)  the planet's very eccentric orbit 
C)  the planet's high density 
D)  tidal torques operating on the planet 
E)  All of the above are factors. 
A)  the planet's closeness to the Sun 
B)  the planet's very eccentric orbit 
C)  the planet's high density 
D)  tidal torques operating on the planet 
E)  All of the above are factors.

Question 9

The cores of the Moon and Mercury are similar in that

Accepted Answer

A)  both cores are more iron rich than the rest of the body and the core is solid throughout. 
B)  both cores are large in proportion to the object with a solid inner core and fluid outer core. 
C)  both cores are more iron rich than the rest of the body, with a solid inner core and fluid outer core. 
D)  both cores are small in proportion to the object, with a fluid inner core and solid outer core. 
A)  both cores are more iron rich than the rest of the body and the core is solid throughout. 
B)  both cores are large in proportion to the object with a solid inner core and fluid outer core. 
C)  both cores are more iron rich than the rest of the body, with a solid inner core and fluid outer core. 
D)  both cores are small in proportion to the object, with a fluid inner core and solid outer core.

Question 10

Ice has been detected near the poles of both the Moon and Mercury.

Accepted Answer

A) True 
 B)False

Question 11

Mercury and the Earth have about the same average density,but Mercury's core is much larger,compared to the size of the body.

Accepted Answer

A) True 
 B)False

Question 12

Mercury experiences extreme high and low temperatures between night and day because:

Accepted Answer

A)  it is so close to the Sun. 
B)  its dense atmosphere creates a runaway greenhouse. 
C)  its oceans are much hotter than ours. 
D)  Mercury has no axial tilt, with its equator always exposed to direct sunlight. 
E)  it has no true atmosphere to moderate temperatures over the globe. 
A)  it is so close to the Sun. 
B)  its dense atmosphere creates a runaway greenhouse. 
C)  its oceans are much hotter than ours. 
D)  Mercury has no axial tilt, with its equator always exposed to direct sunlight. 
E)  it has no true atmosphere to moderate temperatures over the globe.

Much of Mercury's cratered surface closely resembles the lunar ________.

The youngest features visible with telescopes on the Moon are:

Ice is widely observed in the dark floors of many craters all over the surface.

How is it possible for Mercury and the Moon to have water ice at their poles?

Why is it so difficult to observe the planet Mercury from Earth?

The cores of both Mercury and the Moon consist of solid inner cores surrounded by fluid outer cores.

What is meant by tidal locking?

What causes Mercury's 3:2 spin-orbit resonance?

The cores of the Moon and Mercury are similar in that

Ice has been detected near the poles of both the Moon and Mercury.

Mercury and the Earth have about the same average density,but Mercury's core is much larger,compared to the size of the body.

Mercury experiences extreme high and low temperatures between night and day because:

Charting the Heavens: The Foundations of Astronomy

The Copernican Revolution: The Birth of Modern Science

Radiation: Information from the Cosmos

Spectroscopy: The Inner Workings of Atoms

Telescopes: The Tools of Astronomy

The Solar System: Comparative Planetology and Formation Models

Earth: Our Home in Space

Venus: Earth's Sister Planet

Mars: A Near Miss for Life?

Jupiter: Giant of the Solar System

Saturn: Spectacular Rings and Mysterious Moons

Uranus and Neptune: The Outer Worlds of the Solar System

Solar System Debris: Keys to Our Origin

Exoplanets: Planetary Systems Beyond Our Own

The Sun: Our Parent Star

The Stars: Giants,Dwarfs,and the Main Sequence

The Interstellar Medium: Gas and Dust among the Stars

Star Formation: A Traumatic Birth

Stellar Evolution: The Life and Death of a Star

Stellar Explosions: Novae,Supernovae,and the Formation of the Elements

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: A Spiral in Space

Galaxies: Building Blocks of the Universe

Galaxies and Dark Matter: The Large-Scale Structure of the Cosmos

Cosmology: The Big Bang and the Fate of the Universe

The Early Universe: Toward the Beginning of Time

Life in the Universe: Are We Alone?

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Exam 8: The Moon and Mercury: Scorched and Battered Worlds

Much of Mercury's cratered surface closely resembles the lunar ________.

The youngest features visible with telescopes on the Moon are:

Ice is widely observed in the dark floors of many craters all over the surface.

How is it possible for Mercury and the Moon to have water ice at their poles?

Why is it so difficult to observe the planet Mercury from Earth?

The cores of both Mercury and the Moon consist of solid inner cores surrounded by fluid outer cores.

What is meant by tidal locking?

What causes Mercury's 3:2 spin-orbit resonance?

The cores of the Moon and Mercury are similar in that

Ice has been detected near the poles of both the Moon and Mercury.

Mercury and the Earth have about the same average density,but Mercury's core is much larger,compared to the size of the body.

Mercury experiences extreme high and low temperatures between night and day because:

Charting the Heavens: The Foundations of Astronomy

The Copernican Revolution: The Birth of Modern Science

Radiation: Information from the Cosmos

Spectroscopy: The Inner Workings of Atoms

Telescopes: The Tools of Astronomy

The Solar System: Comparative Planetology and Formation Models

Earth: Our Home in Space

Venus: Earth's Sister Planet

Mars: A Near Miss for Life?

Jupiter: Giant of the Solar System

Saturn: Spectacular Rings and Mysterious Moons

Uranus and Neptune: The Outer Worlds of the Solar System

Solar System Debris: Keys to Our Origin

Exoplanets: Planetary Systems Beyond Our Own

The Sun: Our Parent Star

The Stars: Giants,Dwarfs,and the Main Sequence

The Interstellar Medium: Gas and Dust among the Stars

Star Formation: A Traumatic Birth

Stellar Evolution: The Life and Death of a Star

Stellar Explosions: Novae,Supernovae,and the Formation of the Elements

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: A Spiral in Space

Galaxies: Building Blocks of the Universe

Galaxies and Dark Matter: The Large-Scale Structure of the Cosmos

Cosmology: The Big Bang and the Fate of the Universe

The Early Universe: Toward the Beginning of Time

Life in the Universe: Are We Alone?

Filters