Question 1

Why is Mars red?

Accepted Answer

A) Dust storms on the planet have blasted the planet so fiercely that the rocks have reddened. 
B) The iron in the surface rocks has been oxidized over time. 
C) Mercuric oxide is abundant and has a red tint. 
D) Sulfuric acid rain etched a reddish color into iron-rich surface rocks. 
E) The ancient volcanoes poured out vast plains of molten sulfur, much as on Io, which has nowsolidified and preserved the reddish color. 
A) Dust storms on the planet have blasted the planet so fiercely that the rocks have reddened. 
B) The iron in the surface rocks has been oxidized over time. 
C) Mercuric oxide is abundant and has a red tint. 
D) Sulfuric acid rain etched a reddish color into iron-rich surface rocks. 
E) The ancient volcanoes poured out vast plains of molten sulfur, much as on Io, which has nowsolidified and preserved the reddish color.

Question 2

Compare the atmospheres of Mars and Venus.

Accepted Answer

A) Both are made of hydrogen and helium, like the jovians. 
B) Like Earth, nitrogen is the chief atmospheric gas. 
C) Both are chiefly carbon dioxide, but at Mars it can freeze as dry ice. 
D) Mars is rich in oxygen, like ours, accounting for its red surface. 
E) Both are too hot for water to now exist as a liquid at the surface. 
A) Both are made of hydrogen and helium, like the jovians. 
B) Like Earth, nitrogen is the chief atmospheric gas. 
C) Both are chiefly carbon dioxide, but at Mars it can freeze as dry ice. 
D) Mars is rich in oxygen, like ours, accounting for its red surface. 
E) Both are too hot for water to now exist as a liquid at the surface.

Question 3

Mars has a weak magnetic field.

Accepted Answer

A) True 
 B)False

Question 4

The atmosphere of Mars is composed of mostly carbon dioxide along with some nitrogen.

Accepted Answer

A) True 
 B)False

Question 5

What is unusual about the motion of Phobos, as seen from the surface of Mars?

Accepted Answer

While its orbit is equatorial and counte

Question 6

The most prominent feature of Mars observable from Earth is:

Accepted Answer

A) its thick atmosphere. 
B) its two prominent moons. 
C) its bright polar caps. 
D) the large volcano Olympus Mons. 
E) the prominent feature, Valles Marineris. 
A) its thick atmosphere. 
B) its two prominent moons. 
C) its bright polar caps. 
D) the large volcano Olympus Mons. 
E) the prominent feature, Valles Marineris.

Question 7

Mars appears from Earth to go through all the phases like Venus.

Accepted Answer

A) True 
 B)False

Question 8

Why are Mars's seasons more extreme than those of the Earth?

Accepted Answer

A) Mars's seas dried up long ago. 
B) Mars's axial tilt is slightly more than our 23.5 degrees. 
C) Mars's orbit is more eccentric than our almost circular one. 
D) Mars's weather is driven by evaporation from the polar ice in its summer. 
E) All of these contribute to the huge barometric changes that Mars experiences. 
A) Mars's seas dried up long ago. 
B) Mars's axial tilt is slightly more than our 23.5 degrees. 
C) Mars's orbit is more eccentric than our almost circular one. 
D) Mars's weather is driven by evaporation from the polar ice in its summer. 
E) All of these contribute to the huge barometric changes that Mars experiences.

Question 9

The largest volcano in the solar system, ________, is found on Mars.

Accepted Answer

The answer of The largest volcano in the solar system,...

Question 10

The deepest depression found on the surface of Mars is the:

Accepted Answer

A) Mariannas Trench. 
B) Caloris basin. 
C) Valles Marineris rift. 
D) Hellas Basin of Mars. 
E) Mare Crisium. 
A) Mariannas Trench. 
B) Caloris basin. 
C) Valles Marineris rift. 
D) Hellas Basin of Mars. 
E) Mare Crisium.

Why is Mars red?

Compare the atmospheres of Mars and Venus.

Mars has a weak magnetic field.

The atmosphere of Mars is composed of mostly carbon dioxide along with some nitrogen.

What is unusual about the motion of Phobos, as seen from the surface of Mars?

The most prominent feature of Mars observable from Earth is:

Mars appears from Earth to go through all the phases like Venus.

Why are Mars's seasons more extreme than those of the Earth?

The largest volcano in the solar system, ________, is found on Mars.

The deepest depression found on the surface of Mars is the:

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

The Moon and Mercury: Scorched and Battered Worlds

Venus: Earths Sister Planet

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 10: Mars: a Near Miss for Life

Why is Mars red?

Compare the atmospheres of Mars and Venus.

Mars has a weak magnetic field.

The atmosphere of Mars is composed of mostly carbon dioxide along with some nitrogen.

What is unusual about the motion of Phobos, as seen from the surface of Mars?

The most prominent feature of Mars observable from Earth is:

Mars appears from Earth to go through all the phases like Venus.

Why are Mars's seasons more extreme than those of the Earth?

The largest volcano in the solar system, ________, is found on Mars.

The deepest depression found on the surface of Mars is the:

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

The Moon and Mercury: Scorched and Battered Worlds

Venus: Earths Sister Planet

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