Question 1

Why does the present method of finding extrasolar planets not favor finding solar systems like ours?

Accepted Answer

Doppler shifts are greatest fo...

Question 2

The tail of a comet always points

Accepted Answer

A)   in the direction of the comet's motion.
B)   toward the Sun and disappears at perihelion.
C)   away from the Sun and becomes longest and brightest at perihelion.
D)   toward Earth and never varies.
E)   away from the Sun and disappears at perihelion.F) A) and D)
G) A) and C)

Question 3

Barringer Crater in Arizona is an example of a meteorite impact.

Accepted Answer

A) True 
 B)False

Question 4

Due to their great masses, all four jovian worlds are much denser than the Earth.

Accepted Answer

A) True 
 B)False

Question 5

Many astronomers now regard Pluto as just one of the largest of the thousands of Kuiper Belt bodies found beyond Neptune.

Accepted Answer

A) True 
 B)False

Question 6

All the planets orbit the Sun in exactly the same plane as the Earth.

Accepted Answer

A) True 
 B)False

Question 7

The Kuiper Belt is found where in the solar system?

Accepted Answer

A)   between the orbits of Mars and Jupiter
B)   sixty degrees ahead or behind Jupiter
C)   beyond the orbit of Neptune
D)   among the orbits of the terrestrial planets
E)   between the orbits of Jupiter and UranusF) None of the above
G) A) and D)

Question 8

Which statement about asteroids is NOT true?

Accepted Answer

A)   Their images become blurry due to outgassing as the Sun heats them up.
B)   Most stay between the orbits of Mars and Jupiter.
C)   Earthgrazers can cross not only our orbit, but even those of Venus and Mercury.
D)   Some have satellites of their own.
E)   They vary considerably in composition, reflectivity, and size.F) A) and B)
G) B) and C)

Question 9

In addition to revolving around the Sun counter clockwise, most planets also rotate on their axis counter clockwise.

Accepted Answer

A) True 
 B)False

Question 10

The orbits of most comets

Accepted Answer

A)   are like the planets, fairly circular and in the ecliptic plane.
B)   have perihelions within the orbits of Mercury.
C)   lie almost entirely beyond the orbit of Neptune.
D)   go no farther out than Pluto, then return to the sun again.
E)   are shorter than the 76- year period for Comet Halley.F) A) and B)
G) B) and E)

Question 11

The Kepler spacecraft has identified more than eight hundred confirmed exoplanets.

Accepted Answer

A) True 
 B)False

Question 12

In the solar nebular theory, the dusty disk condensing around the Sun's equator became the ecliptic plane in which the planets then formed.

Accepted Answer

A) True 
 B)False

Question 13

How did the NEAR mission break new ground, literally?

Accepted Answer

The NEAR (Near- Earth Asteroid Rendezvou...

Question 14

What class of asteroids is a threat to Earth and other terrestrial planets? Why?

Accepted Answer

Earthgrazers have perihelions ...

Question 15

The Manicouagan reservoir near Quebec is an example of

Accepted Answer

A)   cometary debris.
B)   Earth's interaction with a comet's dust tail.
C)   a volcanic event.
D)   a large meteorite impact.
E)   a micrometeorite impact.F) A) and B)
G) B) and E)

Question 16

Most asteroid orbits lie between those of Mars and .

Accepted Answer

The answer of Most asteroid orbits lie between those of...

Question 17

All four jovian planets are thought to have cores larger than Earth.

Accepted Answer

A) True 
 B)False

Question 18

The extrasolar planets are found mainly by observing the shifts of their stars.

Accepted Answer

The answer of The extrasolar planets are found mainly by...

Question 19

The age of the solar system is determined with dating.

Accepted Answer

The answer of The age of the solar system is...

Question 20

Contrast the Oort cloud and the Kuiper belt as possible origins for comets.

Accepted Answer

Most long- period comets come from rando...

Exam 5: The Solar System: Interplanetary Matter and the Birth of the Planets

Which statement about asteroids is NOT true?

Correct AnswerverifiedShow Answer

What class of asteroids is a threat to Earth and other terrestrial planets? Why?

Correct AnswerverifiedEarthgrazers have perihelions ...View AnswerShow Answer

Why does the present method of finding extrasolar planets not favor finding solar systems like ours?

Correct AnswerverifiedDoppler shifts are greatest fo...View AnswerShow Answer

Many astronomers now regard Pluto as just one of the largest of the thousands of Kuiper Belt bodies found beyond Neptune.

Correct AnswerverifiedShow Answer

The tail of a comet always points

Correct AnswerverifiedShow Answer

In the solar nebular theory, the dusty disk condensing around the Sun's equator became the ecliptic plane in which the planets then formed.

Correct AnswerverifiedShow Answer

Most asteroid orbits lie between those of Mars and .

Correct AnswerverifiedShow Answer

The Kuiper Belt is found where in the solar system?

Correct AnswerverifiedShow Answer

All four jovian planets are thought to have cores larger than Earth.

Correct AnswerverifiedShow Answer

Barringer Crater in Arizona is an example of a meteorite impact.

Correct AnswerverifiedShow Answer

The extrasolar planets are found mainly by observing the shifts of their stars.

Correct AnswerverifiedShow Answer

Due to their great masses, all four jovian worlds are much denser than the Earth.

Correct AnswerverifiedShow Answer

All the planets orbit the Sun in exactly the same plane as the Earth.

Correct AnswerverifiedShow Answer

The Kepler spacecraft has identified more than eight hundred confirmed exoplanets.

Correct AnswerverifiedShow Answer

The Manicouagan reservoir near Quebec is an example of

Correct AnswerverifiedShow Answer

The orbits of most comets

Correct AnswerverifiedShow Answer

Contrast the Oort cloud and the Kuiper belt as possible origins for comets.

Correct AnswerverifiedMost long- period comets come from rando...View AnswerShow Answer

The age of the solar system is determined with dating.

Correct AnswerverifiedShow Answer

In addition to revolving around the Sun counter clockwise, most planets also rotate on their axis counter clockwise.

Correct AnswerverifiedShow Answer

How did the NEAR mission break new ground, literally?

Correct AnswerverifiedThe NEAR (Near- Earth Asteroid Rendezvou...View AnswerShow Answer

Correct Answer
verified

Correct Answer
verified
Earthgrazers have perihelions ...
View Answer

Correct Answer
verified
Doppler shifts are greatest fo...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Most long- period comets come from rando...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The NEAR (Near- Earth Asteroid Rendezvou...
View Answer