Question 1

Mars and Mercury are similar in size, and Mercury is even denser. Why then is it Mars that has more atmosphere?

Accepted Answer

Its location is too close to t

Question 2

How is the Mars Rover mission different from the Global Surveyor mapping mission?

Accepted Answer

The Mars Rover mission landed

Question 3

The atmospheric pressure on Venus

Accepted Answer

A)  causes variations in surface temperature. 
B)  is much higher than on Earth. 
C)  shows an extreme change with the seasons. 
D)  is much lower than on Earth. 
E)  is about the same as on Mercury. 
A)  causes variations in surface temperature. 
B)  is much higher than on Earth. 
C)  shows an extreme change with the seasons. 
D)  is much lower than on Earth. 
E)  is about the same as on Mercury.

Question 4

What is the main constituent of the atmosphere of Venus?

Accepted Answer

A)  carbon dioxide 
B)  hydrogen 
C)  oxygen 
D)  sulfuric acid 
E)  nitrogen 
A)  carbon dioxide 
B)  hydrogen 
C)  oxygen 
D)  sulfuric acid 
E)  nitrogen

Question 5

What percentage of the surface of Venus could be characterized as continental- sized highlands?

Accepted Answer

A)  less than 10% 
B)  about 30%, like the Earth 
C)  45% 
D)  75% 
E)  100% 
A)  less than 10% 
B)  about 30%, like the Earth 
C)  45% 
D)  75% 
E)  100%

Question 6

On our Moon, Mercury, Earth, and Mars, there are a variety of meteor craters in terms of size. Yet all those found on Venus are over 5 kilometers across. Explain.

Accepted Answer

The atmosphere of Venus is much thicker,

Question 7

What is the most abundant gas in the atmospheres of Mars and Venus? Explain why it is not as abundant in Earth's atmosphere.

Accepted Answer

The carbon dioxide so abundant on our ne

Question 8

The surface of Mercury looks very similar to .

Accepted Answer

The answer of The surface of Mercury looks very similar...

Question 9

There is new evidence that water has flowed as mud on Mars in recent times.

Accepted Answer

A) True 
 B)False

Question 10

Mercury has an unusually small core.

Accepted Answer

A) True 
 B)False

Question 11

What is the significance of large percentage of oxygen in Earth's atmosphere?

Accepted Answer

According to the way we believ

Question 12

Which statement is true of Venus' surface?

Accepted Answer

A)  Atmospheric pressure is very low. 
B)  It has remained unchanged for billions of years. 
C)  There are two continent sized uplands. 
D)  There are no shield volcanoes. 
E)  There is an extensive hydrosphere. 
A)  Atmospheric pressure is very low. 
B)  It has remained unchanged for billions of years. 
C)  There are two continent sized uplands. 
D)  There are no shield volcanoes. 
E)  There is an extensive hydrosphere.

Question 13

Venus and Mercury both have magnetic fields similar to Earth's.

Accepted Answer

A) True 
 B)False

Question 14

Venus can appear as a crescent through the telescope.

Accepted Answer

A) True 
 B)False

Question 15

Carbon dioxide is the predominant atmospheric gas on Venus.

Accepted Answer

A) True 
 B)False

Question 16

Mars appears red in color because of refraction of light by its atmosphere, much like the color of the totally eclipsed Moon.

Accepted Answer

A) True 
 B)False

Question 17

What is true of Mars?

Accepted Answer

A)  Its atmosphere is mostly water vapor. 
B)  Iron oxide on the surface is responsible for its reddish color. 
C)  Its magnetic field is stronger than Earth's. 
D)  A pool of water was discovered by the Mars Rover. 
E)  Definite microfossils have been found. 
A)  Its atmosphere is mostly water vapor. 
B)  Iron oxide on the surface is responsible for its reddish color. 
C)  Its magnetic field is stronger than Earth's. 
D)  A pool of water was discovered by the Mars Rover. 
E)  Definite microfossils have been found.

Question 18

Our most detailed maps of Venus come from

Accepted Answer

A)  Earth- based radio telescopes. 
B)  the Magellan space probe. 
C)  the Hubble Space Telescope. 
D)  manned landings. 
E)  direct observation from Earth- based optical telescopes. 
A)  Earth- based radio telescopes. 
B)  the Magellan space probe. 
C)  the Hubble Space Telescope. 
D)  manned landings. 
E)  direct observation from Earth- based optical telescopes.

Question 19

On rare occasions, Mercury and Venus can transit the Sun, crossing directly between us and our Sun. If you were watching the event closely, such as on June 5, 2012, you might note a "tear- drop" effect as Venus came on and left the solar disk, very different from the disk of Mercury. Explain.

Accepted Answer

Mercury is airless, but the de

Question 20

What is the primary effect the carbon dioxide in Venus' atmosphere has on the planet?

Accepted Answer

The high concentration of carb

Mars and Mercury are similar in size, and Mercury is even denser. Why then is it Mars that has more atmosphere?

How is the Mars Rover mission different from the Global Surveyor mapping mission?

The atmospheric pressure on Venus

What is the main constituent of the atmosphere of Venus?

What percentage of the surface of Venus could be characterized as continental- sized highlands?

On our Moon, Mercury, Earth, and Mars, there are a variety of meteor craters in terms of size. Yet all those found on Venus are over 5 kilometers across. Explain.

What is the most abundant gas in the atmospheres of Mars and Venus? Explain why it is not as abundant in Earth's atmosphere.

The surface of Mercury looks very similar to .

There is new evidence that water has flowed as mud on Mars in recent times.

Mercury has an unusually small core.

What is the significance of large percentage of oxygen in Earth's atmosphere?

Which statement is true of Venus' surface?

Venus and Mercury both have magnetic fields similar to Earth's.

Venus can appear as a crescent through the telescope.

Carbon dioxide is the predominant atmospheric gas on Venus.

Mars appears red in color because of refraction of light by its atmosphere, much like the color of the totally eclipsed Moon.

What is true of Mars?

Our most detailed maps of Venus come from

On rare occasions, Mercury and Venus can transit the Sun, crossing directly between us and our Sun. If you were watching the event closely, such as on June 5, 2012, you might note a "tear- drop" effect as Venus came on and left the solar disk, very different from the disk of Mercury. Explain.

What is the primary effect the carbon dioxide in Venus' atmosphere has on the planet?

Charting the Heavens: the Foundations of Astronomy

The Copernican Revolution: the Birth of Modern Science

Light and Matter: the Inner Workings of the Cosmos

Telescopes: the Tools of Astronomy

The Solar System: Interplanetary Matter and the Birth of the Planets

Earth and Its Moon: Our Cosmic Backyard

The Jovian Planets: Giants of the Solar System

Moons, Rings, and Plutoids: Small Worlds Among Giants

The Sun: Our Parent Star

Measuring the Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Star Formation in the Milky Way

Stellar Evolution: the Lives and Deaths of Stars

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Normal and Active Galaxies: Building Blocks of the Universe

Hubbles Law and Dark Matter: the Large-Scale Structure of the Cosmos

Cosmology: the Big Bang and the Fate of the Universe

Life in the Universe: Are We Alone

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Exam 7: The Terrestrial Planets: a Study in Contrasts

Mars and Mercury are similar in size, and Mercury is even denser. Why then is it Mars that has more atmosphere?

How is the Mars Rover mission different from the Global Surveyor mapping mission?

The atmospheric pressure on Venus

What is the main constituent of the atmosphere of Venus?

What percentage of the surface of Venus could be characterized as continental- sized highlands?

On our Moon, Mercury, Earth, and Mars, there are a variety of meteor craters in terms of size. Yet all those found on Venus are over 5 kilometers across. Explain.

What is the most abundant gas in the atmospheres of Mars and Venus? Explain why it is not as abundant in Earth's atmosphere.

The surface of Mercury looks very similar to .

There is new evidence that water has flowed as mud on Mars in recent times.

Mercury has an unusually small core.

What is the significance of large percentage of oxygen in Earth's atmosphere?

Which statement is true of Venus' surface?

Venus and Mercury both have magnetic fields similar to Earth's.

Venus can appear as a crescent through the telescope.

Carbon dioxide is the predominant atmospheric gas on Venus.

Mars appears red in color because of refraction of light by its atmosphere, much like the color of the totally eclipsed Moon.

What is true of Mars?

Our most detailed maps of Venus come from

On rare occasions, Mercury and Venus can transit the Sun, crossing directly between us and our Sun. If you were watching the event closely, such as on June 5, 2012, you might note a "tear- drop" effect as Venus came on and left the solar disk, very different from the disk of Mercury. Explain.

What is the primary effect the carbon dioxide in Venus' atmosphere has on the planet?

Charting the Heavens: the Foundations of Astronomy

The Copernican Revolution: the Birth of Modern Science

Light and Matter: the Inner Workings of the Cosmos

Telescopes: the Tools of Astronomy

The Solar System: Interplanetary Matter and the Birth of the Planets

Earth and Its Moon: Our Cosmic Backyard

The Jovian Planets: Giants of the Solar System

Moons, Rings, and Plutoids: Small Worlds Among Giants

The Sun: Our Parent Star

Measuring the Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Star Formation in the Milky Way

Stellar Evolution: the Lives and Deaths of Stars

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Normal and Active Galaxies: Building Blocks of the Universe

Hubbles Law and Dark Matter: the Large-Scale Structure of the Cosmos

Cosmology: the Big Bang and the Fate of the Universe

Life in the Universe: Are We Alone

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