Answers Graded A+
Which one of the following is not one of the four major features of the solar
system? - Correct answer-The solar system contains eight planets plus dwarf
planets (such as Ceres, Pluto, and Eris).
Consider the first major feature (orderly motions). Which of the following
correctly describe patterns of motion in our solar system? - Correct answer-The
Sun and most of the planets rotate in the same direction that the planets orbit.
Planets have nearly circular orbits.
All the planets orbit the Sun in nearly the same plane.
Now consider the second major feature (two types of planets). Which of the
following statements are true for the terrestrial and jovian planets in our solar
system? - Correct answer-Jovian planets are larger in size than terrestrial planets.
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,Jovian planets orbit farther from the Sun than terrestrial planets.
Jovian planets have more moons than terrestrial planets.
Jovian planets are larger in mass than terrestrial planets.
The solar system contains vast numbers of small bodies, which we call asteroids
when they are rocky and comets when they are icy. These small bodies are
concentrated in the region(s) of the solar system that we call __________. -
Correct answer-the asteroid belt
the Oort cloud
the Kuiper belt
All the following statements are true. Which of them are considered to be
"exceptions" to the general trends described by the first three major features of the
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,solar system? - Correct answer-Uranus rotates with an axis tilt that lies nearly in
the ecliptic plane.
Venus rotates in a direction opposite to the rotation of the other terrestrial planets.
Our Moon has a diameter more than 1/4 the diameter of Earth.
In the context of studying major bodies of our solar system, what category of
object does our Moon best fit? - Correct answer-terrestrial world
The following images show six objects in our solar system. Rank the objects from
left to right based on their average distance from the Sun, from farthest to closest.
(Not to scale.) - Correct answer-pluto
saturn
jupiter
mars
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, earth
mercury
The following images show six objects in our solar system. Rank these objects
from left to right based on their mass, from highest to lowest. (Not to scale.) -
Correct answer-sun
jupiter
earth
mars
mercury
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