AST Quiz CH 19 - Asteroids, Comets, Dwarf Planets Quiz
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Rowan-Cabarrus Community College *
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Astronomy
Date
Dec 6, 2023
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Review Test Submission: AST Quiz CH 19 - Asteroids, Comets, Meteors
AST-111-801N-2023FA-Descriptive Astronomy
Course Content
...
Assignment 13 - Asteroids, Comets, Dwarf Planets
Review Test Submission: AST Quiz CH 19 - Asteroids, Comets, Meteors
User
Alma Ayoubi
Course
AST-111-801N-2023FA-Descriptive Astronomy
Test
AST Quiz CH 19 - Asteroids, Comets, Meteors
Started
12/4/23 3:34 PM
Submitted
12/4/23 5:34 PM
Due Date
12/11/23 11:59 PM
Status
Completed
Attempt
Score
81.25 out of 100 points
Time
Elapsed
2 hours, 0 minute
Instructions
Results
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All Answers, Submitted Answers, Correct Answers
Select the correct answer to each question.
Check your work carefully
and make sure you have answered all the questions.
When you are
done, go to the bottom of the page and click on "Submit" to send in
your quiz and get your grade.
Question 1
Selected
Answer:
Answers:
What do asteroids and comets have in common?
Most are unchanged since their formation in the solar
nebula.
Most are unchanged since their formation in the solar nebula.
They have similar densities.
They have similar orbital radii.
They have a similar range of orbital inclinations.
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They have nothing in common with each other.
Question 2
Selected Answer:
Answers:
Trojan asteroids occupy the orbit of ___________.
Jupiter
Earth
Mars
Jupiter
Saturn
Uranus
Question 3
Selected
Answer:
Answers:
What characteristic distinguishes a meteorite from a terrestrial rock?
All of the above are true.
A meteorite is usually covered with a dark crust from burning in the
Earth's atmosphere.
A meteorite usually has a high metal content.
Meteorites have different isotope ratios of particular elements when
compared to terrestrial rocks.
Meteorites contain rare elements, such as iridium, that terrestrial
rocks do not.
All of the above are true.
Question 4
Selected Answer:
c.
What kind of asteroid crosses into Earth’s orbit?
Apollo object
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Answers:
a.
b.
c.
d.
e.
Amor object
Kirkwood objects
Apollo object
Trojan asteroids
Centaur asteroids
Question 5
Selected Answer:
c.
Answers:
a.
b.
c.
d.
e.
What is the largest object found between Mars and Jupiter?
Asteroid Vesta
Comet Hale-Bopp
Comet Tempel
Asteroid Vesta
Asteroid Ceres
Comet Halley
Question 6
Selected Answer:
Answers:
The asteroid belt is located __________.
between the orbits of Mars and Jupiter
between the orbits of Jupiter and Saturn
between the orbits of Mars and Jupiter
beyond the orbit of Neptune
between the orbits of Earth and Mars
Question 7
Selected Answer:
Answers:
A typical meteor is created by a particle about the size of a __________.
pea
baseball
car
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basketball
pea
Question 8
Selected
Answer:
Answers:
Which statement is NOT thought to be true of all comets in our solar system?
Comets always have tails.
All comets orbit the Sun.
All comets are icy in composition.
All comets are leftover planetesimals that condensed beyond the
frost line in the solar nebula.
Comets always have tails.
Question 9
Selected Answer:
Answers:
Which direction do a comet's dust and plasma tails point?
generally away from the Sun
generally away from the Sun
perpendicular to the ecliptic plane
always almost due north
straight behind the comet in its orbit
Question 10
Selected Answer:
Answers:
Suppose there were no solar wind. How would the appearance of a comet in
the inner solar system be di
!
erent?
It would have only one tail instead of two.
It would not have a nucleus.
It would have only one tail instead of two.
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It would be much brighter in appearance.
It would not have a coma.
Question 11
Selected Answer:
Answers:
Where do most short-period comets (T < 200 yrs) originate?
the Kuiper Belt
the asteroid belt
the Kuiper Belt
the Oort Cloud
beyond the solar system
Question 12
Selected
Answer:
b.
Answers:
a.
b.
c.
d.
e.
What causes the meteor showers we witness on Earth?
Earth passes through comet dust particles.
Earth passes through the asteroid belt.
Earth passes through comet dust particles.
Earth passes through the coma of a comet.
Earth passes through solar wind particles.
Earth passes through remnants of an impacted
asteroid.
Question 13
Selected Answer:
e.
Answers:
a.
b.
Where on Earth is the impact crater that scientists believe caused the
extinction of dinosaurs?
Yucatan Peninsula, Mexico
Aricebo, Puerto Rico
Antarctica
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c.
d.
e.
Mauna Kea, Hawaii
Flagstaff, Arizona
Yucatan Peninsula, Mexico
Question 14
Selected Answer:
Answers:
In terms of size and mass, which type of planet is Pluto most like?
Rocky planets
Rocky planets
Jovian planets
Both of these
Neither of these
Question 15
Selected Answer:
Answers:
How does Pluto's orbit di
!
er from Neptune's orbit?
Both of these are true.
It is more elliptical.
It is tilted more, relative to the plane of the solar system.
Both of these are true.
Neither of these is true.
Question 16
Selected
Answer:
e.
Answers:
a.
b.
c.
Which is a characteristic of dwarf planets?
They possess an asymmetrical or irregular shape.
Their orbit is highly elliptical and far from the Sun.
They must reside within the Kuiper belt or Oort cloud.
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Monday, December 4, 2023 5:36:46 PM EST
d.
e.
They have insufficient gravitational pull to clear their
neighborhood.
They cross the orbit of other planets during its own
revolution.
They possess an asymmetrical or irregular shape.
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